From 4853129a7de032da0f2f0332daa97e509da4ab24 Mon Sep 17 00:00:00 2001
From: Kristiyan Kostadinov <crisbeto@abv.bg>
Date: Sat, 22 Feb 2025 09:02:44 +0100
Subject: [PATCH] test(core): clean up explicit standalone flags from tests
 (#60062)

Now that standalone is the default, we don't need to specify it in tests anymore.

PR Close #60062
---
 .../rxjs-interop/test/to_observable_spec.ts   |   1 -
 .../test/acceptance/after_render_hook_spec.ts |   9 +-
 .../acceptance/authoring/model_inputs_spec.ts |  56 ++--
 .../authoring/output_function_spec.ts         |  20 --
 .../authoring/signal_inputs_spec.ts           |  23 +-
 .../authoring/signal_queries_spec.ts          |  33 +-
 .../core/test/acceptance/bootstrap_spec.ts    |   6 +-
 .../change_detection_signals_in_zones_spec.ts |  46 +--
 .../test/acceptance/change_detection_spec.ts  |   6 +-
 ...change_detection_transplanted_view_spec.ts |  10 -
 .../core/test/acceptance/component_spec.ts    |  12 -
 packages/core/test/acceptance/content_spec.ts |  39 +--
 .../test/acceptance/control_flow_for_spec.ts  |  42 +--
 .../test/acceptance/control_flow_if_spec.ts   |  55 +---
 .../acceptance/control_flow_switch_spec.ts    |  12 +-
 packages/core/test/acceptance/csp_spec.ts     |   9 +-
 packages/core/test/acceptance/defer_spec.ts   | 131 +-------
 .../core/test/acceptance/destroy_ref_spec.ts  |  11 -
 packages/core/test/acceptance/di_spec.ts      |  65 +---
 .../core/test/acceptance/directive_spec.ts    |   2 +-
 .../env_injector_standalone_spec.ts           |   8 +-
 .../acceptance/environment_injector_spec.ts   |   1 -
 packages/core/test/acceptance/hmr_spec.ts     |  92 +-----
 .../test/acceptance/host_directives_spec.ts   | 283 ++++++++----------
 packages/core/test/acceptance/i18n_spec.ts    |   1 -
 .../inherit_definition_feature_spec.ts        |   4 -
 .../test/acceptance/injector_profiler_spec.ts |  24 +-
 .../core/test/acceptance/integration_spec.ts  |   1 -
 .../core/test/acceptance/internal_spec.ts     |  11 -
 packages/core/test/acceptance/let_spec.ts     |  21 +-
 .../core/test/acceptance/listener_spec.ts     |  12 +-
 .../core/test/acceptance/ng_module_spec.ts    |   7 -
 packages/core/test/acceptance/pipe_spec.ts    |   3 +-
 packages/core/test/acceptance/query_spec.ts   |  74 ++---
 .../test/acceptance/renderer_factory_spec.ts  |   5 -
 .../core/test/acceptance/security_spec.ts     |  41 ---
 .../acceptance/standalone_injector_spec.ts    |   2 -
 .../core/test/acceptance/standalone_spec.ts   |  69 +----
 packages/core/test/acceptance/styling_spec.ts |   9 -
 packages/core/test/application_ref_spec.ts    |   1 -
 .../test/change_detection_scheduler_spec.ts   |  61 ++--
 packages/core/test/component_fixture_spec.ts  |  13 +-
 packages/core/test/defer_fixture_spec.ts      |  15 -
 .../test/render3/change_detection_spec.ts     |   1 -
 .../core/test/render3/component_ref_spec.ts   |   5 -
 .../core/test/render3/deps_tracker_spec.ts    |  80 +++--
 packages/core/test/render3/di_spec.ts         |   5 +-
 .../core/test/render3/instructions_spec.ts    |   2 -
 .../core/test/render3/integration_spec.ts     |  25 --
 .../test/render3/microtask_effect_spec.ts     |  27 --
 packages/core/test/render3/providers_spec.ts  |   5 -
 packages/core/test/render3/query_spec.ts      |   5 -
 .../core/test/render3/reactive_safety_spec.ts |   8 -
 packages/core/test/render3/reactivity_spec.ts |  40 +--
 packages/core/test/test_bed_effect_spec.ts    |   5 -
 packages/core/test/test_bed_spec.ts           |  36 +--
 packages/core/test/zone/ng_zone_spec.ts       |   1 -
 57 files changed, 317 insertions(+), 1274 deletions(-)

diff --git a/packages/core/rxjs-interop/test/to_observable_spec.ts b/packages/core/rxjs-interop/test/to_observable_spec.ts
index 4c2d5334d75..3a0ee839411 100644
--- a/packages/core/rxjs-interop/test/to_observable_spec.ts
+++ b/packages/core/rxjs-interop/test/to_observable_spec.ts
@@ -25,7 +25,6 @@ describe('toObservable()', () => {
 
   @Component({
     template: '',
-    standalone: true,
   })
   class Cmp {}
 
diff --git a/packages/core/test/acceptance/after_render_hook_spec.ts b/packages/core/test/acceptance/after_render_hook_spec.ts
index 0ab9ebb9089..2d39e8b7eeb 100644
--- a/packages/core/test/acceptance/after_render_hook_spec.ts
+++ b/packages/core/test/acceptance/after_render_hook_spec.ts
@@ -239,7 +239,6 @@ describe('after render hooks', () => {
         let log: string[] = [];
 
         @Component({
-          standalone: true,
           template: ``,
         })
         class MyComp {
@@ -852,12 +851,12 @@ describe('after render hooks', () => {
         const appRef = TestBed.inject(ApplicationRef);
 
         const counter = signal(0);
-        @Component({standalone: true, template: '{{counter()}}'})
+        @Component({template: '{{counter()}}'})
         class Reader {
           counter = counter;
         }
 
-        @Component({standalone: true, template: ''})
+        @Component({template: ''})
         class Writer {
           ngAfterViewInit(): void {
             counter.set(1);
@@ -1364,7 +1363,6 @@ describe('after render hooks', () => {
 
       @Component({
         selector: 'test-component',
-        standalone: true,
         template: ` {{counter()}} `,
       })
       class TestCmp {
@@ -1393,7 +1391,6 @@ describe('after render hooks', () => {
     it('allows updating state and calling markForCheck in afterRender', async () => {
       @Component({
         selector: 'test-component',
-        standalone: true,
         template: ` {{counter}} `,
       })
       class TestCmp {
@@ -1425,7 +1422,6 @@ describe('after render hooks', () => {
       const counter = signal(0);
       @Component({
         selector: 'test-component',
-        standalone: true,
         template: `{{counter()}}`,
       })
       class TestCmp {
@@ -1467,7 +1463,6 @@ describe('after render hooks', () => {
 
       @Component({
         selector: 'test-component',
-        standalone: true,
         template: ` {{counter()}} `,
       })
       class TestCmp {
diff --git a/packages/core/test/acceptance/authoring/model_inputs_spec.ts b/packages/core/test/acceptance/authoring/model_inputs_spec.ts
index f7129d6354b..e26daf95056 100644
--- a/packages/core/test/acceptance/authoring/model_inputs_spec.ts
+++ b/packages/core/test/acceptance/authoring/model_inputs_spec.ts
@@ -24,14 +24,13 @@ import {TestBed} from '@angular/core/testing';
 
 describe('model inputs', () => {
   it('should support two-way binding to a signal', () => {
-    @Directive({selector: '[dir]', standalone: true})
+    @Directive({selector: '[dir]'})
     class Dir {
       value = model(0);
     }
 
     @Component({
       template: '<div [(value)]="value" dir></div>',
-      standalone: true,
       imports: [Dir],
     })
     class App {
@@ -60,14 +59,13 @@ describe('model inputs', () => {
   });
 
   it('should support two-way binding to a non-signal value', () => {
-    @Directive({selector: '[dir]', standalone: true})
+    @Directive({selector: '[dir]'})
     class Dir {
       value = model(0);
     }
 
     @Component({
       template: '<div [(value)]="value" dir></div>',
-      standalone: true,
       imports: [Dir],
     })
     class App {
@@ -96,7 +94,7 @@ describe('model inputs', () => {
   });
 
   it('should support two-way binding a signal to a non-model input/output pair', () => {
-    @Directive({selector: '[dir]', standalone: true})
+    @Directive({selector: '[dir]'})
     class Dir {
       @Input() value = 0;
       @Output() valueChange = new EventEmitter<number>();
@@ -104,7 +102,6 @@ describe('model inputs', () => {
 
     @Component({
       template: '<div [(value)]="value" dir></div>',
-      standalone: true,
       imports: [Dir],
     })
     class App {
@@ -135,14 +132,13 @@ describe('model inputs', () => {
   });
 
   it('should support a one-way property binding to a model', () => {
-    @Directive({selector: '[dir]', standalone: true})
+    @Directive({selector: '[dir]'})
     class Dir {
       value = model(0);
     }
 
     @Component({
       template: '<div [value]="value" dir></div>',
-      standalone: true,
       imports: [Dir],
     })
     class App {
@@ -174,14 +170,13 @@ describe('model inputs', () => {
   it('should emit to the change output when the model changes', () => {
     const emittedValues: number[] = [];
 
-    @Directive({selector: '[dir]', standalone: true})
+    @Directive({selector: '[dir]'})
     class Dir {
       value = model(0);
     }
 
     @Component({
       template: '<div (valueChange)="changed($event)" dir></div>',
-      standalone: true,
       imports: [Dir],
     })
     class App {
@@ -215,14 +210,13 @@ describe('model inputs', () => {
   it('should not emit to the change event when then property binding changes', () => {
     const emittedValues: number[] = [];
 
-    @Directive({selector: '[dir]', standalone: true})
+    @Directive({selector: '[dir]'})
     class Dir {
       value = model(0);
     }
 
     @Component({
       template: '<div [value]="value()" (valueChange)="changed($event)" dir></div>',
-      standalone: true,
       imports: [Dir],
     })
     class App {
@@ -247,14 +241,13 @@ describe('model inputs', () => {
   it('should support binding to the model input and output separately', () => {
     const emittedValues: number[] = [];
 
-    @Directive({selector: '[dir]', standalone: true})
+    @Directive({selector: '[dir]'})
     class Dir {
       value = model(0);
     }
 
     @Component({
       template: '<div [value]="value()" (valueChange)="changed($event)" dir></div>',
-      standalone: true,
       imports: [Dir],
     })
     class App {
@@ -288,14 +281,13 @@ describe('model inputs', () => {
   });
 
   it('should support two-way binding to a model with an alias', () => {
-    @Directive({selector: '[dir]', standalone: true})
+    @Directive({selector: '[dir]'})
     class Dir {
       value = model(0, {alias: 'alias'});
     }
 
     @Component({
       template: '<div [(alias)]="value" dir></div>',
-      standalone: true,
       imports: [Dir],
     })
     class App {
@@ -327,14 +319,13 @@ describe('model inputs', () => {
   it('should support binding to an aliased model input and output separately', () => {
     const emittedValues: number[] = [];
 
-    @Directive({selector: '[dir]', standalone: true})
+    @Directive({selector: '[dir]'})
     class Dir {
       value = model(0, {alias: 'alias'});
     }
 
     @Component({
       template: '<div [alias]="value()" (aliasChange)="changed($event)" dir></div>',
-      standalone: true,
       imports: [Dir],
     })
     class App {
@@ -368,7 +359,7 @@ describe('model inputs', () => {
   });
 
   it('should throw if a required model input is accessed too early', () => {
-    @Directive({selector: '[dir]', standalone: true})
+    @Directive({selector: '[dir]'})
     class Dir {
       value = model.required<number>();
 
@@ -379,7 +370,6 @@ describe('model inputs', () => {
 
     @Component({
       template: '<div [(value)]="value" dir></div>',
-      standalone: true,
       imports: [Dir],
     })
     class App {
@@ -392,7 +382,7 @@ describe('model inputs', () => {
   });
 
   it('should throw if a required model input is updated too early', () => {
-    @Directive({selector: '[dir]', standalone: true})
+    @Directive({selector: '[dir]'})
     class Dir {
       value = model.required<number>();
 
@@ -403,7 +393,6 @@ describe('model inputs', () => {
 
     @Component({
       template: '<div [(value)]="value" dir></div>',
-      standalone: true,
       imports: [Dir],
     })
     class App {
@@ -418,14 +407,13 @@ describe('model inputs', () => {
   it('should stop emitting to the output on destroy', () => {
     let emittedEvents = 0;
 
-    @Directive({selector: '[dir]', standalone: true})
+    @Directive({selector: '[dir]'})
     class Dir {
       value = model(0);
     }
 
     @Component({
       template: '<div (valueChange)="changed()" dir></div>',
-      standalone: true,
       imports: [Dir],
     })
     class App {
@@ -457,12 +445,11 @@ describe('model inputs', () => {
       value = model(0);
     }
 
-    @Directive({selector: '[dir]', standalone: true})
+    @Directive({selector: '[dir]'})
     class Dir extends BaseDir {}
 
     @Component({
       template: '<div [(value)]="value" dir></div>',
-      standalone: true,
       imports: [Dir],
     })
     class App {
@@ -494,7 +481,6 @@ describe('model inputs', () => {
   it('should reflect changes to a two-way-bound signal in the DOM', () => {
     @Directive({
       selector: '[dir]',
-      standalone: true,
       host: {
         '(click)': 'increment()',
       },
@@ -509,7 +495,6 @@ describe('model inputs', () => {
 
     @Component({
       template: '<button [(value)]="value" dir></button> Current value: {{value()}}',
-      standalone: true,
       imports: [Dir],
     })
     class App {
@@ -532,7 +517,7 @@ describe('model inputs', () => {
   it('should support ngOnChanges for two-way model bindings', () => {
     const changes: SimpleChange[] = [];
 
-    @Directive({selector: '[dir]', standalone: true})
+    @Directive({selector: '[dir]'})
     class Dir implements OnChanges {
       value = model(0);
 
@@ -545,7 +530,6 @@ describe('model inputs', () => {
 
     @Component({
       template: '<div [(value)]="value" dir></div>',
-      standalone: true,
       imports: [Dir],
     })
     class App {
@@ -582,7 +566,7 @@ describe('model inputs', () => {
   });
 
   it('should not throw for mixed model and output subscriptions', () => {
-    @Directive({selector: '[dir]', standalone: true})
+    @Directive({selector: '[dir]'})
     class Dir {
       model = model(0);
       @Output() output = new EventEmitter();
@@ -594,7 +578,6 @@ describe('model inputs', () => {
       template: `
         <div dir (model)="noop()" (output)="noop()" (model2)="noop()" (output2)="noop()"></div>
       `,
-      standalone: true,
       imports: [Dir],
     })
     class App {
@@ -607,7 +590,7 @@ describe('model inputs', () => {
   });
 
   it('should support two-way binding to a signal @for loop variable', () => {
-    @Directive({selector: '[dir]', standalone: true})
+    @Directive({selector: '[dir]'})
     class Dir {
       value = model(0);
     }
@@ -618,7 +601,6 @@ describe('model inputs', () => {
           <div [(value)]="value" dir></div>
         }
       `,
-      standalone: true,
       imports: [Dir],
     })
     class App {
@@ -647,14 +629,13 @@ describe('model inputs', () => {
   });
 
   it('should assign a debugName to the underlying watcher node when a debugName is provided', () => {
-    @Directive({selector: '[dir]', standalone: true})
+    @Directive({selector: '[dir]'})
     class Dir {
       value = model(0, {debugName: 'TEST_DEBUG_NAME'});
     }
 
     @Component({
       template: '<div [(value)]="value" dir></div>',
-      standalone: true,
       imports: [Dir],
     })
     class App {
@@ -670,14 +651,13 @@ describe('model inputs', () => {
   });
 
   it('should assign a debugName to the underlying watcher node when a debugName is provided to a required model', () => {
-    @Directive({selector: '[dir]', standalone: true})
+    @Directive({selector: '[dir]'})
     class Dir {
       value = model.required({debugName: 'TEST_DEBUG_NAME'});
     }
 
     @Component({
       template: '<div [(value)]="value" dir></div>',
-      standalone: true,
       imports: [Dir],
     })
     class App {
diff --git a/packages/core/test/acceptance/authoring/output_function_spec.ts b/packages/core/test/acceptance/authoring/output_function_spec.ts
index 2962b3941f0..7fc7d7e8396 100644
--- a/packages/core/test/acceptance/authoring/output_function_spec.ts
+++ b/packages/core/test/acceptance/authoring/output_function_spec.ts
@@ -30,7 +30,6 @@ describe('output() function', () => {
   it('should support emitting values', () => {
     @Directive({
       selector: '[dir]',
-      standalone: true,
     })
     class Dir {
       onBla = output<number>();
@@ -38,7 +37,6 @@ describe('output() function', () => {
 
     @Component({
       template: '<div dir (onBla)="values.push($event)"></div>',
-      standalone: true,
       imports: [Dir],
     })
     class App {
@@ -60,7 +58,6 @@ describe('output() function', () => {
   it('should support emitting void values', () => {
     @Directive({
       selector: '[dir]',
-      standalone: true,
     })
     class Dir {
       onBla = output();
@@ -68,7 +65,6 @@ describe('output() function', () => {
 
     @Component({
       template: '<div dir (onBla)="count = count + 1"></div>',
-      standalone: true,
       imports: [Dir],
     })
     class App {
@@ -90,7 +86,6 @@ describe('output() function', () => {
   it('should error when emitting to a destroyed output', () => {
     @Directive({
       selector: '[dir]',
-      standalone: true,
     })
     class Dir {
       onBla = output<number>();
@@ -102,7 +97,6 @@ describe('output() function', () => {
           <div dir (onBla)="values.push($event)"></div>
         }
       `,
-      standalone: true,
       imports: [Dir],
     })
     class App {
@@ -128,7 +122,6 @@ describe('output() function', () => {
   it('should error when subscribing to a destroyed output', () => {
     @Directive({
       selector: '[dir]',
-      standalone: true,
     })
     class Dir {
       onBla = output<number>();
@@ -140,7 +133,6 @@ describe('output() function', () => {
           <div dir (onBla)="values.push($event)"></div>
         }
       `,
-      standalone: true,
       imports: [Dir],
     })
     class App {
@@ -168,7 +160,6 @@ describe('output() function', () => {
   it('should run listeners outside of `emit` reactive context', () => {
     @Directive({
       selector: '[dir]',
-      standalone: true,
     })
     class Dir {
       onBla = output();
@@ -184,7 +175,6 @@ describe('output() function', () => {
 
     @Component({
       template: '<div dir (onBla)="fnUsingSomeSignal()"></div>',
-      standalone: true,
       imports: [Dir],
     })
     class App {
@@ -212,7 +202,6 @@ describe('output() function', () => {
     it('should support using a `Subject` as source', () => {
       @Directive({
         selector: '[dir]',
-        standalone: true,
       })
       class Dir {
         onBla$ = new Subject<number>();
@@ -221,7 +210,6 @@ describe('output() function', () => {
 
       @Component({
         template: '<div dir (onBla)="values.push($event)"></div>',
-        standalone: true,
         imports: [Dir],
       })
       class App {
@@ -243,7 +231,6 @@ describe('output() function', () => {
     it('should support using a `BehaviorSubject` as source', () => {
       @Directive({
         selector: '[dir]',
-        standalone: true,
       })
       class Dir {
         onBla$ = new BehaviorSubject<number>(1);
@@ -252,7 +239,6 @@ describe('output() function', () => {
 
       @Component({
         template: '<div dir (onBla)="values.push($event)"></div>',
-        standalone: true,
         imports: [Dir],
       })
       class App {
@@ -274,7 +260,6 @@ describe('output() function', () => {
     it('should support using an `EventEmitter` as source', () => {
       @Directive({
         selector: '[dir]',
-        standalone: true,
       })
       class Dir {
         onBla$ = new EventEmitter<number>();
@@ -283,7 +268,6 @@ describe('output() function', () => {
 
       @Component({
         template: '<div dir (onBla)="values.push($event)"></div>',
-        standalone: true,
         imports: [Dir],
       })
       class App {
@@ -305,7 +289,6 @@ describe('output() function', () => {
     it('should support lazily creating an observer upon subscription', () => {
       @Directive({
         selector: '[dir]',
-        standalone: true,
       })
       class Dir {
         streamStarted = false;
@@ -322,7 +305,6 @@ describe('output() function', () => {
           <div dir></div>
           <div dir (onBla)="true"></div>
         `,
-        standalone: true,
         imports: [Dir],
       })
       class App {}
@@ -340,7 +322,6 @@ describe('output() function', () => {
     it('should report subscription listener errors to `ErrorHandler` and continue', () => {
       @Directive({
         selector: '[dir]',
-        standalone: true,
       })
       class Dir {
         onBla = output();
@@ -350,7 +331,6 @@ describe('output() function', () => {
         template: `
           <div dir (onBla)="true"></div>
         `,
-        standalone: true,
         imports: [Dir],
       })
       class App {}
diff --git a/packages/core/test/acceptance/authoring/signal_inputs_spec.ts b/packages/core/test/acceptance/authoring/signal_inputs_spec.ts
index d35460ea0c7..8d99b62680b 100644
--- a/packages/core/test/acceptance/authoring/signal_inputs_spec.ts
+++ b/packages/core/test/acceptance/authoring/signal_inputs_spec.ts
@@ -36,7 +36,6 @@ describe('signal inputs', () => {
   it('should be possible to bind to an input', () => {
     @Component({
       selector: 'input-comp',
-      standalone: true,
       template: 'input:{{input()}}',
     })
     class InputComp {
@@ -44,7 +43,6 @@ describe('signal inputs', () => {
     }
 
     @Component({
-      standalone: true,
       template: `<input-comp [input]="value" />`,
       imports: [InputComp],
     })
@@ -66,7 +64,6 @@ describe('signal inputs', () => {
   it('should be possible to use an input in a computed expression', () => {
     @Component({
       selector: 'input-comp',
-      standalone: true,
       template: 'changed:{{changed()}}',
     })
     class InputComp {
@@ -75,7 +72,6 @@ describe('signal inputs', () => {
     }
 
     @Component({
-      standalone: true,
       template: `<input-comp [input]="value" />`,
       imports: [InputComp],
     })
@@ -99,7 +95,6 @@ describe('signal inputs', () => {
 
     @Component({
       selector: 'input-comp',
-      standalone: true,
       template: '',
     })
     class InputComp {
@@ -113,7 +108,6 @@ describe('signal inputs', () => {
     }
 
     @Component({
-      standalone: true,
       template: `<input-comp [input]="value" />`,
       imports: [InputComp],
     })
@@ -137,7 +131,6 @@ describe('signal inputs', () => {
   it('should support transforms', () => {
     @Component({
       selector: 'input-comp',
-      standalone: true,
       template: 'input:{{input()}}',
     })
     class InputComp {
@@ -145,7 +138,6 @@ describe('signal inputs', () => {
     }
 
     @Component({
-      standalone: true,
       template: `<input-comp [input]="value" />`,
       imports: [InputComp],
     })
@@ -165,7 +157,6 @@ describe('signal inputs', () => {
     let transformRunCount = 0;
     @Component({
       selector: 'input-comp',
-      standalone: true,
       template: '',
     })
     class InputComp {
@@ -175,7 +166,6 @@ describe('signal inputs', () => {
     }
 
     @Component({
-      standalone: true,
       template: `<input-comp [input]="value" />`,
       imports: [InputComp],
     })
@@ -193,7 +183,6 @@ describe('signal inputs', () => {
   it('should throw error if a required input is accessed too early', () => {
     @Component({
       selector: 'input-comp',
-      standalone: true,
       template: 'input:{{input()}}',
     })
     class InputComp {
@@ -205,7 +194,6 @@ describe('signal inputs', () => {
     }
 
     @Component({
-      standalone: true,
       template: `<input-comp [input]="value" />`,
       imports: [InputComp],
     })
@@ -226,13 +214,11 @@ describe('signal inputs', () => {
 
     @Component({
       selector: 'input-comp',
-      standalone: true,
       template: 'input:{{input()}}',
     })
     class InputComp extends BaseDir {}
 
     @Component({
-      standalone: true,
       template: `<input-comp [input]="value" />`,
       imports: [InputComp],
     })
@@ -252,7 +238,7 @@ describe('signal inputs', () => {
   });
 
   it('should support two-way binding to signal input and @Output decorated member', () => {
-    @Directive({selector: '[dir]', standalone: true})
+    @Directive({selector: '[dir]'})
     class Dir {
       value = input(0);
       @Output() valueChange = new EventEmitter<number>();
@@ -260,7 +246,6 @@ describe('signal inputs', () => {
 
     @Component({
       template: '<div [(value)]="value" dir></div>',
-      standalone: true,
       imports: [Dir],
     })
     class App {
@@ -290,14 +275,13 @@ describe('signal inputs', () => {
   });
 
   it('should assign a debugName to the input signal node when a debugName is provided', () => {
-    @Directive({selector: '[dir]', standalone: true})
+    @Directive({selector: '[dir]'})
     class Dir {
       value = input(0, {debugName: 'TEST_DEBUG_NAME'});
     }
 
     @Component({
       template: '<div [value]="1" dir></div>',
-      standalone: true,
       imports: [Dir],
     })
     class App {
@@ -312,14 +296,13 @@ describe('signal inputs', () => {
   });
 
   it('should assign a debugName to the input signal node when a debugName is provided to a required input', () => {
-    @Directive({selector: '[dir]', standalone: true})
+    @Directive({selector: '[dir]'})
     class Dir {
       value = input.required({debugName: 'TEST_DEBUG_NAME'});
     }
 
     @Component({
       template: '<div [value]="1" dir></div>',
-      standalone: true,
       imports: [Dir],
     })
     class App {
diff --git a/packages/core/test/acceptance/authoring/signal_queries_spec.ts b/packages/core/test/acceptance/authoring/signal_queries_spec.ts
index 1011ba8685b..a68b258ed0d 100644
--- a/packages/core/test/acceptance/authoring/signal_queries_spec.ts
+++ b/packages/core/test/acceptance/authoring/signal_queries_spec.ts
@@ -28,7 +28,6 @@ describe('queries as signals', () => {
   describe('view', () => {
     it('should query for an optional element in a template', () => {
       @Component({
-        standalone: true,
         template: `<div #el></div>`,
       })
       class AppComponent {
@@ -51,7 +50,6 @@ describe('queries as signals', () => {
       let result: {} | undefined = {};
 
       @Component({
-        standalone: true,
         template: `<div #el></div>`,
       })
       class AppComponent {
@@ -68,7 +66,6 @@ describe('queries as signals', () => {
 
     it('should query for a required element in a template', () => {
       @Component({
-        standalone: true,
         template: `<div #el></div>`,
       })
       class AppComponent {
@@ -88,7 +85,6 @@ describe('queries as signals', () => {
 
     it('should throw if required query is read in the constructor', () => {
       @Component({
-        standalone: true,
         template: `<div #el></div>`,
       })
       class AppComponent {
@@ -107,7 +103,6 @@ describe('queries as signals', () => {
 
     it('should query for multiple elements in a template', () => {
       @Component({
-        standalone: true,
         template: `
           <div #el></div>
           @if (show) {
@@ -144,7 +139,6 @@ describe('queries as signals', () => {
       let result: readonly ElementRef[] | undefined;
 
       @Component({
-        standalone: true,
         template: `<div #el></div>`,
       })
       class AppComponent {
@@ -161,7 +155,6 @@ describe('queries as signals', () => {
 
     it('should return the same array instance when there were no changes in results', () => {
       @Component({
-        standalone: true,
         template: `<div #el></div>`,
       })
       class AppComponent {
@@ -183,7 +176,6 @@ describe('queries as signals', () => {
       let computeCount = 0;
 
       @Component({
-        standalone: true,
         template: `
             <div #el></div>
             @if (show) {
@@ -212,7 +204,6 @@ describe('queries as signals', () => {
 
     it('should return the same array instance when there were no changes in results after view manipulation', () => {
       @Component({
-        standalone: true,
         template: `
             <div #el></div>
             @if (show) {
@@ -242,7 +233,6 @@ describe('queries as signals', () => {
 
     it('should be empty when no query matches exist', () => {
       @Component({
-        standalone: true,
         template: ``,
       })
       class AppComponent {
@@ -259,7 +249,6 @@ describe('queries as signals', () => {
 
     it('should assign a debugName to the underlying signal node when a debugName is provided', () => {
       @Component({
-        standalone: true,
         template: `<div #el></div>`,
       })
       class AppComponent {
@@ -282,7 +271,6 @@ describe('queries as signals', () => {
 
     it('should assign a debugName to the underlying signal node when a debugName is provided to a required viewChild query', () => {
       @Component({
-        standalone: true,
         template: `<div #el></div>`,
       })
       class AppComponent {
@@ -299,7 +287,6 @@ describe('queries as signals', () => {
     it('should run content queries defined on components', () => {
       @Component({
         selector: 'query-cmp',
-        standalone: true,
         template: `{{noOfEls()}}`,
       })
       class QueryComponent {
@@ -316,7 +303,6 @@ describe('queries as signals', () => {
       }
 
       @Component({
-        standalone: true,
         imports: [QueryComponent],
         template: `
           <query-cmp>
@@ -347,7 +333,6 @@ describe('queries as signals', () => {
     it('should run content queries defined on directives', () => {
       @Directive({
         selector: '[query]',
-        standalone: true,
         host: {'[textContent]': `noOfEls()`},
       })
       class QueryDir {
@@ -364,7 +349,6 @@ describe('queries as signals', () => {
       }
 
       @Component({
-        standalone: true,
         imports: [QueryDir],
         template: `
           <div query>
@@ -393,18 +377,17 @@ describe('queries as signals', () => {
     });
 
     it('should not return partial results during the first-time view rendering', () => {
-      @Directive({selector: '[marker]', standalone: true})
+      @Directive({selector: '[marker]'})
       class MarkerForResults {}
 
       @Directive({
         selector: '[declare]',
-        standalone: true,
       })
       class DeclareQuery {
         results = contentChildren(MarkerForResults);
       }
 
-      @Directive({selector: '[inspect]', standalone: true})
+      @Directive({selector: '[inspect]'})
       class InspectsQueryResults {
         constructor(declaration: DeclareQuery) {
           // we should _not_ get partial query results while the view is still creating
@@ -413,7 +396,6 @@ describe('queries as signals', () => {
       }
 
       @Component({
-        standalone: true,
         imports: [MarkerForResults, InspectsQueryResults, DeclareQuery],
         template: `
                 <div declare>
@@ -437,7 +419,6 @@ describe('queries as signals', () => {
     it('should be empty when no query matches exist', () => {
       @Directive({
         selector: '[declare]',
-        standalone: true,
       })
       class DeclareQuery {
         result = contentChild('unknown');
@@ -445,7 +426,6 @@ describe('queries as signals', () => {
       }
 
       @Component({
-        standalone: true,
         imports: [DeclareQuery],
         template: `<div declare></div>`,
       })
@@ -464,7 +444,6 @@ describe('queries as signals', () => {
     it('should assign a debugName to the underlying signal node when a debugName is provided', () => {
       @Component({
         selector: 'query-cmp',
-        standalone: true,
         template: ``,
       })
       class QueryComponent {
@@ -476,7 +455,6 @@ describe('queries as signals', () => {
       }
 
       @Component({
-        standalone: true,
         imports: [QueryComponent],
         template: `
           <query-cmp>
@@ -508,7 +486,6 @@ describe('queries as signals', () => {
       let recomputeCount = 0;
 
       @Component({
-        standalone: true,
         template: `
           <div #el></div>
           @if (show) {
@@ -544,7 +521,6 @@ describe('queries as signals', () => {
       let recomputeCount = 0;
 
       @Component({
-        standalone: true,
         template: `
           <div #el></div>
           @if (show) {
@@ -583,7 +559,6 @@ describe('queries as signals', () => {
       // https://github.com/angular/angular/issues/54450
       @Component({
         selector: 'query-cmp',
-        standalone: true,
         template: ``,
       })
       class QueryComponent {
@@ -592,7 +567,6 @@ describe('queries as signals', () => {
       }
 
       @Component({
-        standalone: true,
         template: ``,
       })
       class TestComponent {
@@ -615,7 +589,6 @@ describe('queries as signals', () => {
   describe('mix of signal and decorator queries', () => {
     it('should allow specifying both types of queries in one component', () => {
       @Component({
-        standalone: true,
         template: `
           <div #el></div>
           @if (show) {
@@ -649,7 +622,6 @@ describe('queries as signals', () => {
 
     it('should allow combination via inheritance of both types of queries in one component', () => {
       @Component({
-        standalone: true,
         template: `
             <div #el></div>
             @if (show) {
@@ -663,7 +635,6 @@ describe('queries as signals', () => {
       }
 
       @Component({
-        standalone: true,
         template: `
             <div #el></div>
             @if (show) {
diff --git a/packages/core/test/acceptance/bootstrap_spec.ts b/packages/core/test/acceptance/bootstrap_spec.ts
index 0695479cf49..6c5dbd12c4b 100644
--- a/packages/core/test/acceptance/bootstrap_spec.ts
+++ b/packages/core/test/acceptance/bootstrap_spec.ts
@@ -61,10 +61,10 @@ describe('bootstrap', () => {
   it(
     'should allow injecting VCRef into the root (bootstrapped) component',
     withBody('before|<test-cmp></test-cmp>|after', async () => {
-      @Component({selector: 'dynamic-cmp', standalone: true, template: 'dynamic'})
+      @Component({selector: 'dynamic-cmp', template: 'dynamic'})
       class DynamicCmp {}
 
-      @Component({selector: 'test-cmp', standalone: true, template: '(test)'})
+      @Component({selector: 'test-cmp', template: '(test)'})
       class TestCmp {
         constructor(public vcRef: ViewContainerRef) {}
       }
@@ -305,7 +305,6 @@ describe('bootstrap', () => {
         'should throw when standalone component is used in @NgModule.bootstrap',
         withBody('<my-app></my-app>', async () => {
           @Component({
-            standalone: true,
             selector: 'standalone-comp',
             template: '...',
           })
@@ -384,7 +383,6 @@ describe('bootstrap', () => {
         'should throw when standalone component wrapped in `forwardRef` is used in @NgModule.bootstrap',
         withBody('<my-app></my-app>', async () => {
           @Component({
-            standalone: true,
             selector: 'standalone-comp',
             template: '...',
           })
diff --git a/packages/core/test/acceptance/change_detection_signals_in_zones_spec.ts b/packages/core/test/acceptance/change_detection_signals_in_zones_spec.ts
index e4572c8c00b..714b0be18f4 100644
--- a/packages/core/test/acceptance/change_detection_signals_in_zones_spec.ts
+++ b/packages/core/test/acceptance/change_detection_signals_in_zones_spec.ts
@@ -29,7 +29,6 @@ describe('CheckAlways components', () => {
   it('can read a signal', () => {
     @Component({
       template: `{{value()}}`,
-      standalone: true,
     })
     class CheckAlwaysCmp {
       value = signal('initial');
@@ -48,7 +47,6 @@ describe('CheckAlways components', () => {
   it('should properly remove stale dependencies from the signal graph', () => {
     @Component({
       template: `{{show() ? name() + ' aged ' + age() : 'anonymous'}}`,
-      standalone: true,
     })
     class CheckAlwaysCmp {
       name = signal('John');
@@ -81,7 +79,6 @@ describe('CheckAlways components', () => {
     const value = signal('initial');
     @Component({
       template: `{{value()}}`,
-      standalone: true,
       selector: 'check-always',
     })
     class CheckAlwaysCmp {
@@ -89,7 +86,6 @@ describe('CheckAlways components', () => {
     }
     @Component({
       template: `<check-always />`,
-      standalone: true,
       imports: [CheckAlwaysCmp],
       changeDetection: ChangeDetectionStrategy.OnPush,
     })
@@ -110,7 +106,6 @@ describe('CheckAlways components', () => {
 
     @Component({
       template: '{{val()}}',
-      standalone: true,
       selector: 'a-comp',
     })
     class A {
@@ -118,7 +113,6 @@ describe('CheckAlways components', () => {
     }
     @Component({
       template: '{{val()}}',
-      standalone: true,
       selector: 'b-comp',
     })
     class B {
@@ -132,7 +126,7 @@ describe('CheckAlways components', () => {
       }
     }
 
-    @Component({template: '<a-comp />-<b-comp />', standalone: true, imports: [A, B]})
+    @Component({template: '<a-comp />-<b-comp />', imports: [A, B]})
     class App {}
 
     const fixture = TestBed.createComponent(App);
@@ -155,7 +149,6 @@ describe('CheckAlways components', () => {
     @Component({
       template: '',
       selector: 'child',
-      standalone: true,
     })
     class Child {
       ngDoCheck() {
@@ -166,7 +159,7 @@ describe('CheckAlways components', () => {
         }
       }
     }
-    @Component({template: '{{val()}}<child />', standalone: true, imports: [Child]})
+    @Component({template: '{{val()}}<child />', imports: [Child]})
     class App {
       val = val;
     }
@@ -187,7 +180,6 @@ describe('CheckAlways components', () => {
     const val = signal(0);
     @Component({
       template: '{{val()}}',
-      standalone: true,
     })
     class App {
       val = val;
@@ -212,7 +204,6 @@ describe('OnPush components with signals', () => {
     @Component({
       template: `{{value()}}{{incrementTemplateExecutions()}}`,
       changeDetection: ChangeDetectionStrategy.OnPush,
-      standalone: true,
     })
     class OnPushCmp {
       numTemplateExecutions = 0;
@@ -243,7 +234,6 @@ describe('OnPush components with signals', () => {
     @Component({
       template: `{{memo()}}{{incrementTemplateExecutions()}}`,
       changeDetection: ChangeDetectionStrategy.OnPush,
-      standalone: true,
     })
     class OnPushCmp {
       numTemplateExecutions = 0;
@@ -278,7 +268,6 @@ describe('OnPush components with signals', () => {
       selector: 'child',
       template: `child`,
       changeDetection: ChangeDetectionStrategy.OnPush,
-      standalone: true,
     })
     class ChildReadingSignalCmp {
       constructor() {
@@ -293,7 +282,6 @@ describe('OnPush components with signals', () => {
             <ng-template [ngIf]="true"><child></child></ng-template>
           `,
       changeDetection: ChangeDetectionStrategy.OnPush,
-      standalone: true,
       imports: [NgIf, ChildReadingSignalCmp],
     })
     class OnPushCmp {
@@ -323,7 +311,6 @@ describe('OnPush components with signals', () => {
 
     @Component({
       selector: 'with-input-setter',
-      standalone: true,
       template: '{{test}}',
     })
     class WithInputSetter {
@@ -342,7 +329,6 @@ describe('OnPush components with signals', () => {
             <ng-template [ngIf]="true"><with-input-setter [testInput]="'input'" /></ng-template>
           `,
       changeDetection: ChangeDetectionStrategy.OnPush,
-      standalone: true,
       imports: [NgIf, WithInputSetter],
     })
     class OnPushCmp {
@@ -373,7 +359,6 @@ describe('OnPush components with signals', () => {
 
     @Component({
       selector: 'with-query-setter',
-      standalone: true,
       template: '<div #el>child</div>',
     })
     class WithQuerySetter {
@@ -393,7 +378,6 @@ describe('OnPush components with signals', () => {
          <ng-template [ngIf]="true"><with-query-setter /></ng-template>
        `,
       changeDetection: ChangeDetectionStrategy.OnPush,
-      standalone: true,
       imports: [NgIf, WithQuerySetter],
     })
     class OnPushCmp {
@@ -425,7 +409,6 @@ describe('OnPush components with signals', () => {
       selector: 'child',
       host: {'[class.blue]': 'useBlue()'},
       changeDetection: ChangeDetectionStrategy.OnPush,
-      standalone: true,
     })
     class MyCmp {
       useBlue = useBlue;
@@ -455,7 +438,6 @@ describe('OnPush components with signals', () => {
       selector: 'child',
       host: {'[class.blue]': 'useBlue()'},
       changeDetection: ChangeDetectionStrategy.OnPush,
-      standalone: true,
     })
     class ChildCmp {
       useBlue = signal(false);
@@ -471,7 +453,6 @@ describe('OnPush components with signals', () => {
       template: `<child />`,
       changeDetection: ChangeDetectionStrategy.OnPush,
       imports: [ChildCmp],
-      standalone: true,
     })
     class ParentCmp {}
     const fixture = TestBed.createComponent(ParentCmp);
@@ -495,7 +476,6 @@ describe('OnPush components with signals', () => {
       selector: 'child',
       host: {'[class.blue]': 'useBlue()'},
       changeDetection: ChangeDetectionStrategy.OnPush,
-      standalone: true,
     })
     class ChildCmp {
       useBlue = signal(false);
@@ -505,7 +485,6 @@ describe('OnPush components with signals', () => {
       template: `<child /> {{parentSignalValue()}}`,
       changeDetection: ChangeDetectionStrategy.OnPush,
       imports: [ChildCmp],
-      standalone: true,
       selector: 'parent',
     })
     class ParentCmp {
@@ -517,7 +496,6 @@ describe('OnPush components with signals', () => {
       template: `<parent />`,
       changeDetection: ChangeDetectionStrategy.OnPush,
       imports: [ParentCmp],
-      standalone: true,
     })
     class TestWrapper {}
 
@@ -550,7 +528,6 @@ describe('OnPush components with signals', () => {
     const counter = signal(0);
 
     @Directive({
-      standalone: true,
       selector: '[misunderstood]',
     })
     class MisunderstoodDir {
@@ -561,7 +538,6 @@ describe('OnPush components with signals', () => {
 
     @Component({
       selector: 'test-component',
-      standalone: true,
       imports: [MisunderstoodDir],
       template: `
           {{counter()}}<div misunderstood></div>{{ 'force advance()' }}
@@ -583,7 +559,6 @@ describe('OnPush components with signals', () => {
     const counter = signal(0);
 
     @Directive({
-      standalone: true,
       selector: '[misunderstood]',
     })
     class MisunderstoodDir {
@@ -594,7 +569,6 @@ describe('OnPush components with signals', () => {
 
     @Component({
       selector: 'test-component',
-      standalone: true,
       imports: [MisunderstoodDir],
       template: `
           {{counter()}}<div misunderstood></div>
@@ -614,7 +588,6 @@ describe('OnPush components with signals', () => {
   it('should allow writing to signals in afterViewInit', () => {
     @Component({
       template: '{{loading()}}',
-      standalone: true,
     })
     class MyComp {
       loading = signal(true);
@@ -634,7 +607,6 @@ describe('OnPush components with signals', () => {
 
     @Component({
       template: '{{val()}}{{incrementChecks()}}',
-      standalone: true,
       changeDetection: ChangeDetectionStrategy.OnPush,
     })
     class App {
@@ -664,7 +636,6 @@ describe('OnPush components with signals', () => {
         @if (true) { }
         {{val()}}
         `,
-          standalone: true,
           changeDetection: ChangeDetectionStrategy.OnPush,
         })
         class MyComp {
@@ -685,7 +656,6 @@ describe('OnPush components with signals', () => {
         {{createEmbeddedView(template)}}
         {{val()}}
         `,
-          standalone: true,
           changeDetection: ChangeDetectionStrategy.OnPush,
         })
         class MyComp {
@@ -708,7 +678,6 @@ describe('OnPush components with signals', () => {
       @Component({
         selector: 'signal-component',
         changeDetection: ChangeDetectionStrategy.OnPush,
-        standalone: true,
         imports: [NgIf],
         template: `<div *ngIf="true"> {{value()}} </div>`,
       })
@@ -727,7 +696,6 @@ describe('OnPush components with signals', () => {
       @Component({
         selector: 'signal-component',
         changeDetection: ChangeDetectionStrategy.OnPush,
-        standalone: true,
         imports: [NgFor],
         template: `<div *ngFor="let i of [1,2,3]"> {{value()}} </div>`,
       })
@@ -746,7 +714,6 @@ describe('OnPush components with signals', () => {
       @Component({
         selector: 'signal-component',
         changeDetection: ChangeDetectionStrategy.OnPush,
-        standalone: true,
         imports: [NgIf],
         template: `
           {{componentSignal()}}
@@ -776,7 +743,6 @@ describe('OnPush components with signals', () => {
     it('re-executes deep embedded template if signal updates', () => {
       @Component({
         selector: 'signal-component',
-        standalone: true,
         changeDetection: ChangeDetectionStrategy.OnPush,
         imports: [NgIf],
         template: `
@@ -807,7 +773,6 @@ describe('OnPush components with signals', () => {
         template: `
             <ng-template #template>{{value()}}</ng-template>
           `,
-        standalone: true,
       })
       class Test {
         value = signal('initial');
@@ -839,7 +804,6 @@ describe('OnPush components with signals', () => {
         template: `
             <ng-template #template>{{value()}}</ng-template>
           `,
-        standalone: true,
       })
       class Test {
         value = signal('initial');
@@ -873,7 +837,6 @@ describe('OnPush components with signals', () => {
     @Component({
       selector: 'signal-component',
       changeDetection: ChangeDetectionStrategy.OnPush,
-      standalone: true,
       template: `{{value()}}`,
     })
     class SignalComponent {
@@ -891,7 +854,6 @@ describe('OnPush components with signals', () => {
       <signal-component></signal-component>
       {{incrementChecks()}}`,
       changeDetection: ChangeDetectionStrategy.OnPush,
-      standalone: true,
       imports: [SignalComponent],
     })
     class OnPushParent {
@@ -956,7 +918,6 @@ describe('OnPush components with signals', () => {
     @Component({
       template: '',
       selector: 'child',
-      standalone: true,
     })
     class Child {
       ngOnInit() {
@@ -967,7 +928,6 @@ describe('OnPush components with signals', () => {
     @Component({
       template: '{{val()}} <child />',
       imports: [Child],
-      standalone: true,
     })
     class SignalComponent {
       val = val;
@@ -986,7 +946,6 @@ describe('OnPush components with signals', () => {
     @Component({
       template: '{{double()}}',
       selector: 'child',
-      standalone: true,
     })
     class Child {
       double = double;
@@ -995,7 +954,6 @@ describe('OnPush components with signals', () => {
     @Component({
       template: '|{{double()}}|<child />|',
       imports: [Child],
-      standalone: true,
     })
     class SignalComponent {
       double = double;
diff --git a/packages/core/test/acceptance/change_detection_spec.ts b/packages/core/test/acceptance/change_detection_spec.ts
index 7a6debb944d..c8eea48acb3 100644
--- a/packages/core/test/acceptance/change_detection_spec.ts
+++ b/packages/core/test/acceptance/change_detection_spec.ts
@@ -115,7 +115,6 @@ describe('change detection', () => {
       @Component({
         selector: 'onpush',
         template: '',
-        standalone: true,
         changeDetection: ChangeDetectionStrategy.OnPush,
       })
       class OnPushComponent {
@@ -126,7 +125,7 @@ describe('change detection', () => {
         }
       }
 
-      @Component({template: '<ng-template #template></ng-template>', standalone: true})
+      @Component({template: '<ng-template #template></ng-template>'})
       class Container {
         @ViewChild('template', {read: ViewContainerRef, static: true}) vcr!: ViewContainerRef;
       }
@@ -235,7 +234,6 @@ describe('change detection', () => {
         selector: `test-cmpt`,
         template: `{{counter}}|<ng-template #vc></ng-template>`,
         changeDetection: ChangeDetectionStrategy.OnPush,
-        standalone: true,
       })
       class TestCmpt {
         counter = 0;
@@ -249,7 +247,6 @@ describe('change detection', () => {
       @Component({
         selector: 'dynamic-cmpt',
         template: `dynamic|{{binding}}`,
-        standalone: true,
         changeDetection: ChangeDetectionStrategy.OnPush,
       })
       class DynamicCmpt {
@@ -1410,7 +1407,6 @@ describe('change detection', () => {
 
         @Component({
           changeDetection: ChangeDetectionStrategy.OnPush,
-          standalone: true,
           template: '{{state}}{{resolveReadPromise()}}',
         })
         class MyApp {
diff --git a/packages/core/test/acceptance/change_detection_transplanted_view_spec.ts b/packages/core/test/acceptance/change_detection_transplanted_view_spec.ts
index 2041f649b63..397fa6e292a 100644
--- a/packages/core/test/acceptance/change_detection_transplanted_view_spec.ts
+++ b/packages/core/test/acceptance/change_detection_transplanted_view_spec.ts
@@ -986,7 +986,6 @@ describe('change detection for transplanted views', () => {
 
     it('does not cause error if running change detection on detached view', () => {
       @Component({
-        standalone: true,
         selector: 'insertion',
         template: `<ng-container #vc></ng-container>`,
       })
@@ -999,7 +998,6 @@ describe('change detection for transplanted views', () => {
       }
 
       @Component({
-        standalone: true,
         template: `
           <ng-template #transplantedTemplate></ng-template>
           <insertion [template]="transplantedTemplate"></insertion>
@@ -1017,7 +1015,6 @@ describe('change detection for transplanted views', () => {
 
     it('backwards reference still updated if detaching root during change detection', () => {
       @Component({
-        standalone: true,
         selector: 'insertion',
         template: `<ng-container #vc></ng-container>`,
         changeDetection: ChangeDetectionStrategy.OnPush,
@@ -1033,7 +1030,6 @@ describe('change detection for transplanted views', () => {
       @Component({
         template: '<ng-template #template>{{value}}</ng-template>',
         selector: 'declaration',
-        standalone: true,
       })
       class Declaration {
         @ViewChild('template', {static: true}) transplantedTemplate!: TemplateRef<{}>;
@@ -1041,7 +1037,6 @@ describe('change detection for transplanted views', () => {
       }
 
       @Component({
-        standalone: true,
         template: `
           <insertion [template]="declaration?.transplantedTemplate"></insertion>
           <declaration [value]="value"></declaration>
@@ -1079,7 +1074,6 @@ describe('change detection for transplanted views', () => {
     @Component({
       selector: 'insertion',
       imports: [NgTemplateOutlet],
-      standalone: true,
       template: ` <ng-container [ngTemplateOutlet]="template"> </ng-container>`,
     })
     class Insertion {
@@ -1090,7 +1084,6 @@ describe('change detection for transplanted views', () => {
     @Component({
       imports: [Insertion, AsyncPipe],
       template: `<ng-template #myTmpl> {{newObservable() | async}} </ng-template>`,
-      standalone: true,
       selector: 'declaration',
     })
     class Declaration {
@@ -1100,7 +1093,6 @@ describe('change detection for transplanted views', () => {
       }
     }
     @Component({
-      standalone: true,
       imports: [Declaration, Insertion],
       template: '<insertion [template]="declaration.template"/><declaration #declaration/>',
     })
@@ -1137,7 +1129,6 @@ describe('change detection for transplanted views', () => {
       fail('console errored with ' + v);
     });
     @Component({
-      standalone: true,
       selector: 'insertion',
       template: `<ng-container #vc></ng-container>`,
       changeDetection: ChangeDetectionStrategy.OnPush,
@@ -1151,7 +1142,6 @@ describe('change detection for transplanted views', () => {
     }
 
     @Component({
-      standalone: true,
       template: `
           <ng-template #template>hello world</ng-template>
           <insertion [template]="transplantedTemplate"></insertion>
diff --git a/packages/core/test/acceptance/component_spec.ts b/packages/core/test/acceptance/component_spec.ts
index 3586dfa1fa4..80bbbeca246 100644
--- a/packages/core/test/acceptance/component_spec.ts
+++ b/packages/core/test/acceptance/component_spec.ts
@@ -491,7 +491,6 @@ describe('component', () => {
       @Component({
         selector: 'comp',
         template: '<comp *ngIf="recurse"/>hello',
-        standalone: true,
         imports: [Comp, NgIf],
       })
       class Comp {
@@ -500,7 +499,6 @@ describe('component', () => {
 
       @Component({
         template: '<comp [recurse]="true"/>',
-        standalone: true,
         imports: [Comp],
       })
       class App {}
@@ -521,7 +519,6 @@ describe('component', () => {
       @Component({
         selector: 'comp',
         template: '<comp *ngIf="recurse"/>hello',
-        standalone: true,
         imports: [forwardRef(() => Comp), NgIf],
       })
       class Comp {
@@ -530,7 +527,6 @@ describe('component', () => {
 
       @Component({
         template: '<comp [recurse]="true"/>',
-        standalone: true,
         imports: [Comp],
       })
       class App {}
@@ -805,7 +801,6 @@ describe('component', () => {
   describe('createComponent', () => {
     it('should create an instance of a standalone component', () => {
       @Component({
-        standalone: true,
         template: 'Hello {{ name }}!',
       })
       class StandaloneComponent {
@@ -858,7 +853,6 @@ describe('component', () => {
 
     it('should render projected content', () => {
       @Component({
-        standalone: true,
         template: `
           <ng-content></ng-content>|
           <ng-content></ng-content>|
@@ -890,7 +884,6 @@ describe('component', () => {
     it('should be able to inject tokens from EnvironmentInjector', () => {
       const A = new InjectionToken('A');
       @Component({
-        standalone: true,
         template: 'Token: {{ a }}',
       })
       class StandaloneComponent {
@@ -912,7 +905,6 @@ describe('component', () => {
       const A = new InjectionToken('A');
       const B = new InjectionToken('B');
       @Component({
-        standalone: true,
         template: '{{ a }} and {{ b }}',
       })
       class ChildStandaloneComponent {
@@ -921,7 +913,6 @@ describe('component', () => {
       }
 
       @Component({
-        standalone: true,
         template: 'Tokens: <div #target></div>',
         providers: [{provide: A, useValue: 'ElementInjector(A)'}],
       })
@@ -961,7 +952,6 @@ describe('component', () => {
       const selector = 'standalone-comp';
       @Component({
         selector,
-        standalone: true,
         template: 'Hello {{ name }}!',
       })
       class StandaloneComponent {
@@ -988,7 +978,6 @@ describe('component', () => {
       () => {
         @Component({
           selector: '.some-class',
-          standalone: true,
           template: 'Hello {{ name }}!',
         })
         class StandaloneComponent {
@@ -1048,7 +1037,6 @@ describe('component', () => {
 
       @Component({
         selector: 'standalone-component',
-        standalone: true,
         template: `
           <ng-content></ng-content>
           <ng-content select="content-selector-a"></ng-content>
diff --git a/packages/core/test/acceptance/content_spec.ts b/packages/core/test/acceptance/content_spec.ts
index 61c07af68fb..675b8ab237b 100644
--- a/packages/core/test/acceptance/content_spec.ts
+++ b/packages/core/test/acceptance/content_spec.ts
@@ -1539,12 +1539,10 @@ describe('projection', () => {
           `<ng-content select="[two]">Two fallback</ng-content>` +
           `<ng-content select="[three]">Three fallback</ng-content>
         `,
-        standalone: true,
       })
       class Projection {}
 
       @Component({
-        standalone: true,
         imports: [Projection],
         template: `
           <projection>
@@ -1566,12 +1564,10 @@ describe('projection', () => {
       @Component({
         selector: 'projection',
         template: `<ng-content>Fallback content</ng-content>`,
-        standalone: true,
       })
       class Projection {}
 
       @Component({
-        standalone: true,
         imports: [Projection],
         template: `
             <projection>
@@ -1594,12 +1590,10 @@ describe('projection', () => {
       @Component({
         selector: 'projection',
         template: `<ng-content select="div">I have no divs</ng-content>|<ng-content select="span">I have no spans</ng-content>`,
-        standalone: true,
       })
       class Projection {}
 
       @Component({
-        standalone: true,
         imports: [Projection],
         template: `
           <projection>
@@ -1622,12 +1616,10 @@ describe('projection', () => {
       @Component({
         selector: 'projection',
         template: `<ng-content>Wildcard fallback</ng-content>|<ng-content select="span">Span fallback</ng-content>`,
-        standalone: true,
       })
       class Projection {}
 
       @Component({
-        standalone: true,
         imports: [Projection],
         template: `
           <projection>
@@ -1664,12 +1656,10 @@ describe('projection', () => {
       @Component({
         selector: 'projection',
         template: `<ng-content>Fallback</ng-content>`,
-        standalone: true,
       })
       class Projection {}
 
       @Component({
-        standalone: true,
         imports: [Projection],
         template: `
           <projection><ng-container/></projection>
@@ -1687,13 +1677,12 @@ describe('projection', () => {
       @Component({
         selector: 'projection',
         template: `<ng-content>Value: {{value}}</ng-content>`,
-        standalone: true,
       })
       class Projection {
         value = 0;
       }
 
-      @Component({standalone: true, imports: [Projection], template: `<projection/>`})
+      @Component({imports: [Projection], template: `<projection/>`})
       class App {
         @ViewChild(Projection) projection!: Projection;
       }
@@ -1717,7 +1706,6 @@ describe('projection', () => {
 
           Value: {{value}}
         `,
-        standalone: true,
       })
       class Projection {
         value = 0;
@@ -1727,7 +1715,7 @@ describe('projection', () => {
         }
       }
 
-      @Component({standalone: true, imports: [Projection], template: `<projection/>`})
+      @Component({imports: [Projection], template: `<projection/>`})
       class App {}
 
       const fixture = TestBed.createComponent(App);
@@ -1744,7 +1732,6 @@ describe('projection', () => {
 
       @Directive({
         selector: 'fallback-dir',
-        standalone: true,
       })
       class FallbackDir implements OnDestroy {
         constructor() {
@@ -1759,13 +1746,11 @@ describe('projection', () => {
       @Component({
         selector: 'projection',
         template: `<ng-content><fallback-dir/></ng-content>`,
-        standalone: true,
         imports: [FallbackDir],
       })
       class Projection {}
 
       @Component({
-        standalone: true,
         imports: [Projection],
         template: `
           @if (hasProjection) {
@@ -1791,7 +1776,6 @@ describe('projection', () => {
 
       @Directive({
         selector: 'fallback-dir',
-        standalone: true,
       })
       class FallbackDir {
         constructor() {
@@ -1802,7 +1786,6 @@ describe('projection', () => {
       @Component({
         selector: 'projection',
         template: `<ng-content><fallback-dir/></ng-content>`,
-        standalone: true,
         imports: [FallbackDir],
       })
       class Projection {
@@ -1810,7 +1793,6 @@ describe('projection', () => {
       }
 
       @Component({
-        standalone: true,
         imports: [Projection],
         template: `<projection/>`,
       })
@@ -1828,7 +1810,6 @@ describe('projection', () => {
     it('should be able to inject the host component from inside the fallback content', () => {
       @Directive({
         selector: 'fallback-dir',
-        standalone: true,
       })
       class FallbackDir {
         host = inject(Projection);
@@ -1837,7 +1818,6 @@ describe('projection', () => {
       @Component({
         selector: 'projection',
         template: `<ng-content><fallback-dir/></ng-content>`,
-        standalone: true,
         imports: [FallbackDir],
       })
       class Projection {
@@ -1845,7 +1825,6 @@ describe('projection', () => {
       }
 
       @Component({
-        standalone: true,
         imports: [Projection],
         template: `<projection/>`,
       })
@@ -1861,7 +1840,6 @@ describe('projection', () => {
 
     it('should render the fallback content if content is not provided through projectableNodes', () => {
       @Component({
-        standalone: true,
         template:
           `<ng-content>One fallback</ng-content>|` +
           `<ng-content>Two fallback</ng-content>|<ng-content>Three fallback</ng-content>`,
@@ -1886,7 +1864,6 @@ describe('projection', () => {
 
     it('should render the content through projectableNodes along with fallback', () => {
       @Component({
-        standalone: true,
         template:
           `<ng-content>One fallback</ng-content>|` +
           `<ng-content>Two fallback</ng-content>|<ng-content>Three fallback</ng-content>`,
@@ -1914,7 +1891,6 @@ describe('projection', () => {
       @Component({
         selector: 'projection',
         template: `<ng-container #ref/><ng-template #template><ng-content>Fallback</ng-content></ng-template>`,
-        standalone: true,
       })
       class Projection {
         @ViewChild('template') template!: TemplateRef<unknown>;
@@ -1926,7 +1902,6 @@ describe('projection', () => {
       }
 
       @Component({
-        standalone: true,
         imports: [Projection],
         template: `<projection/>`,
       })
@@ -1950,7 +1925,6 @@ describe('projection', () => {
           <ng-content select="[inner-header]">Inner header fallback</ng-content>
           <ng-content select="[inner-footer]">Inner footer fallback</ng-content>
         `,
-        standalone: true,
       })
       class InnerProjection {}
 
@@ -1962,13 +1936,11 @@ describe('projection', () => {
             <ng-content select="[outer-footer]" inner-footer>Outer footer fallback</ng-content>
           </inner-projection>
         `,
-        standalone: true,
         imports: [InnerProjection],
       })
       class Projection {}
 
       @Component({
-        standalone: true,
         imports: [Projection],
         template: `
           <projection>
@@ -1990,7 +1962,6 @@ describe('projection', () => {
 
       @Component({
         selector: 'fallback',
-        standalone: true,
         template: 'Fallback',
       })
       class Fallback {
@@ -2002,13 +1973,11 @@ describe('projection', () => {
       @Component({
         selector: 'projection',
         template: `<ng-content><fallback/></ng-content>`,
-        standalone: true,
         imports: [Fallback],
       })
       class Projection {}
 
       @Component({
-        standalone: true,
         imports: [Projection],
         template: `<projection>Hello</projection>`,
       })
@@ -2026,12 +1995,10 @@ describe('projection', () => {
         @Component({
           selector: 'projection',
           template: `<ng-content>Fallback</ng-content>`,
-          standalone: true,
         })
         class Projection {}
 
         @Component({
-          standalone: true,
           imports: [Projection],
           template: `
             <projection>Content</projection>
@@ -2054,12 +2021,10 @@ describe('projection', () => {
         @Component({
           selector: 'projection',
           template: `<ng-content>Fallback</ng-content>`,
-          standalone: true,
         })
         class Projection {}
 
         @Component({
-          standalone: true,
           imports: [Projection],
           template: `
             <projection/>
diff --git a/packages/core/test/acceptance/control_flow_for_spec.ts b/packages/core/test/acceptance/control_flow_for_spec.ts
index 1b8336fefac..81e5d71e379 100644
--- a/packages/core/test/acceptance/control_flow_for_spec.ts
+++ b/packages/core/test/acceptance/control_flow_for_spec.ts
@@ -129,7 +129,7 @@ describe('control flow - for', () => {
   });
 
   it('should be able to use pipes injecting ChangeDetectorRef in for loop blocks', () => {
-    @Pipe({name: 'test', standalone: true})
+    @Pipe({name: 'test'})
     class TestPipe implements PipeTransform {
       changeDetectorRef = inject(ChangeDetectorRef);
 
@@ -141,7 +141,6 @@ describe('control flow - for', () => {
     @Component({
       template: '@for (item of items | test; track item;) {{{item}}|}',
       imports: [TestPipe],
-      standalone: true,
     })
     class TestComponent {
       items = [1, 2, 3];
@@ -156,7 +155,6 @@ describe('control flow - for', () => {
     @Directive({
       selector: '[dir]',
       exportAs: 'dir',
-      standalone: true,
     })
     class Dir {
       data = [1];
@@ -168,7 +166,6 @@ describe('control flow - for', () => {
 
     @Component({
       selector: 'app-root',
-      standalone: true,
       imports: [Dir],
       template: `
         <div [dir] #dir="dir"></div>
@@ -589,14 +586,12 @@ describe('control flow - for', () => {
       ];
 
       @Component({
-        standalone: true,
         template: ``,
         selector: 'child-cmp',
       })
       class ChildCmp {}
 
       @Component({
-        standalone: true,
         imports: [ChildCmp],
         template: `
           @for(task of tasks; track task.id) {
@@ -622,14 +617,12 @@ describe('control flow - for', () => {
   describe('content projection', () => {
     it('should project an @for with a single root node into the root node slot', () => {
       @Component({
-        standalone: true,
         selector: 'test',
         template: 'Main: <ng-content/> Slot: <ng-content select="[foo]"/>',
       })
       class TestComponent {}
 
       @Component({
-        standalone: true,
         imports: [TestComponent],
         template: `
         <test>Before @for (item of items; track $index) {
@@ -649,14 +642,12 @@ describe('control flow - for', () => {
 
     it('should project an @empty block with a single root node into the root node slot', () => {
       @Component({
-        standalone: true,
         selector: 'test',
         template: 'Main: <ng-content/> Slot: <ng-content select="[foo]"/>',
       })
       class TestComponent {}
 
       @Component({
-        standalone: true,
         imports: [TestComponent],
         template: `
         <test>Before @for (item of items; track $index) {} @empty {
@@ -676,7 +667,6 @@ describe('control flow - for', () => {
 
     it('should allow @for and @empty blocks to be projected into different slots', () => {
       @Component({
-        standalone: true,
         selector: 'test',
         template:
           'Main: <ng-content/> Loop slot: <ng-content select="[loop]"/> Empty slot: <ng-content select="[empty]"/>',
@@ -684,7 +674,6 @@ describe('control flow - for', () => {
       class TestComponent {}
 
       @Component({
-        standalone: true,
         imports: [TestComponent],
         template: `
         <test>Before @for (item of items; track $index) {
@@ -714,14 +703,12 @@ describe('control flow - for', () => {
 
     it('should project an @for with multiple root nodes into the catch-all slot', () => {
       @Component({
-        standalone: true,
         selector: 'test',
         template: 'Main: <ng-content/> Slot: <ng-content select="[foo]"/>',
       })
       class TestComponent {}
 
       @Component({
-        standalone: true,
         imports: [TestComponent],
         template: `
         <test>Before @for (item of items; track $index) {
@@ -743,7 +730,7 @@ describe('control flow - for', () => {
     it('should project an @for with a single root node with a data binding', () => {
       let directiveCount = 0;
 
-      @Directive({standalone: true, selector: '[foo]'})
+      @Directive({selector: '[foo]'})
       class Foo {
         @Input('foo') value: any;
 
@@ -753,14 +740,12 @@ describe('control flow - for', () => {
       }
 
       @Component({
-        standalone: true,
         selector: 'test',
         template: 'Main: <ng-content/> Slot: <ng-content select="[foo]"/>',
       })
       class TestComponent {}
 
       @Component({
-        standalone: true,
         imports: [TestComponent, Foo],
         template: `
         <test>Before @for (item of items; track $index) {
@@ -781,14 +766,12 @@ describe('control flow - for', () => {
 
     it('should project an @for with an ng-container root node', () => {
       @Component({
-        standalone: true,
         selector: 'test',
         template: 'Main: <ng-content/> Slot: <ng-content select="[foo]"/>',
       })
       class TestComponent {}
 
       @Component({
-        standalone: true,
         imports: [TestComponent],
         template: `
         <test>Before @for (item of items; track $index) {
@@ -813,14 +796,12 @@ describe('control flow - for', () => {
     // This test is to ensure that we don't regress if it happens in the future.
     it('should project an @for with single root node and comments into the root node slot', () => {
       @Component({
-        standalone: true,
         selector: 'test',
         template: 'Main: <ng-content/> Slot: <ng-content select="[foo]"/>',
       })
       class TestComponent {}
 
       @Component({
-        standalone: true,
         imports: [TestComponent],
         template: `
         <test>Before @for (item of items; track $index) {
@@ -842,14 +823,12 @@ describe('control flow - for', () => {
 
     it('should project the root node when preserveWhitespaces is enabled and there are no whitespace nodes', () => {
       @Component({
-        standalone: true,
         selector: 'test',
         template: 'Main: <ng-content/> Slot: <ng-content select="[foo]"/>',
       })
       class TestComponent {}
 
       @Component({
-        standalone: true,
         imports: [TestComponent],
         preserveWhitespaces: true,
         // Note the whitespace due to the indentation inside @for.
@@ -867,14 +846,12 @@ describe('control flow - for', () => {
 
     it('should not project the root node when preserveWhitespaces is enabled and there are whitespace nodes', () => {
       @Component({
-        standalone: true,
         selector: 'test',
         template: 'Main: <ng-content/> Slot: <ng-content select="[foo]"/>',
       })
       class TestComponent {}
 
       @Component({
-        standalone: true,
         imports: [TestComponent],
         preserveWhitespaces: true,
         // Note the whitespace due to the indentation inside @for.
@@ -895,14 +872,12 @@ describe('control flow - for', () => {
 
     it('should not project the root node across multiple layers of @for', () => {
       @Component({
-        standalone: true,
         selector: 'test',
         template: 'Main: <ng-content/> Slot: <ng-content select="[foo]"/>',
       })
       class TestComponent {}
 
       @Component({
-        standalone: true,
         imports: [TestComponent],
         template: `
         <test>Before @for (item of items; track $index) {
@@ -923,14 +898,12 @@ describe('control flow - for', () => {
 
     it('should project an @for with a single root template node into the root node slot', () => {
       @Component({
-        standalone: true,
         selector: 'test',
         template: 'Main: <ng-content/> Slot: <ng-content select="[foo]"/>',
       })
       class TestComponent {}
 
       @Component({
-        standalone: true,
         imports: [TestComponent, NgIf],
         template: `<test>Before @for (item of items; track $index) {
         <span *ngIf="true" foo>{{item}}</span>
@@ -953,7 +926,6 @@ describe('control flow - for', () => {
       let directiveCount = 0;
 
       @Component({
-        standalone: true,
         selector: 'test',
         template: 'Main: <ng-content/> Slot: <ng-content select="[foo]"/>',
       })
@@ -961,7 +933,6 @@ describe('control flow - for', () => {
 
       @Directive({
         selector: '[foo]',
-        standalone: true,
       })
       class FooDirective {
         constructor() {
@@ -970,7 +941,6 @@ describe('control flow - for', () => {
       }
 
       @Component({
-        standalone: true,
         imports: [TestComponent, FooDirective],
         template: `<test>Before @for (item of items; track $index) {
         <span foo>{{item}}</span>
@@ -992,7 +962,6 @@ describe('control flow - for', () => {
       let directiveCount = 0;
 
       @Component({
-        standalone: true,
         selector: 'test',
         template: 'Main: <ng-content/> Slot: <ng-content select="[foo]"/>',
       })
@@ -1000,7 +969,6 @@ describe('control flow - for', () => {
 
       @Directive({
         selector: '[templateDir]',
-        standalone: true,
       })
       class TemplateDirective implements OnInit {
         constructor(
@@ -1017,7 +985,6 @@ describe('control flow - for', () => {
       }
 
       @Component({
-        standalone: true,
         imports: [TestComponent, TemplateDirective],
         template: `<test>Before @for (item of items; track $index) {
         <span *templateDir foo>{{item}}</span>
@@ -1039,7 +1006,6 @@ describe('control flow - for', () => {
       let directiveCount = 0;
 
       @Component({
-        standalone: true,
         selector: 'test',
         template: 'Main: <ng-content/> Slot: <ng-content select="[foo]"/>',
       })
@@ -1047,7 +1013,6 @@ describe('control flow - for', () => {
 
       @Directive({
         selector: '[templateDir]',
-        standalone: true,
       })
       class TemplateDirective implements OnInit {
         constructor(
@@ -1064,7 +1029,6 @@ describe('control flow - for', () => {
       }
 
       @Component({
-        standalone: true,
         imports: [TestComponent, TemplateDirective],
         template: `<test>Before @for (item of items; track $index) {
         <ng-template templateDir foo>{{item}}</ng-template>
@@ -1108,14 +1072,12 @@ describe('control flow - for', () => {
 
     it('should project an @for with a single root node and @let declarations into the root node slot', () => {
       @Component({
-        standalone: true,
         selector: 'test',
         template: 'Main: <ng-content/> Slot: <ng-content select="[foo]"/>',
       })
       class TestComponent {}
 
       @Component({
-        standalone: true,
         imports: [TestComponent],
         template: `
         <test>Before @for (item of items; track $index) {
diff --git a/packages/core/test/acceptance/control_flow_if_spec.ts b/packages/core/test/acceptance/control_flow_if_spec.ts
index 3541023dbe1..66a1c5882bb 100644
--- a/packages/core/test/acceptance/control_flow_if_spec.ts
+++ b/packages/core/test/acceptance/control_flow_if_spec.ts
@@ -22,7 +22,7 @@ import {
 import {TestBed} from '@angular/core/testing';
 
 // Basic shared pipe used during testing.
-@Pipe({name: 'multiply', pure: true, standalone: true})
+@Pipe({name: 'multiply', pure: true})
 class MultiplyPipe implements PipeTransform {
   transform(value: number, amount: number) {
     return value * amount;
@@ -31,7 +31,7 @@ class MultiplyPipe implements PipeTransform {
 
 describe('control flow - if', () => {
   it('should add and remove views based on conditions change', () => {
-    @Component({standalone: true, template: '@if (show) {Something} @else {Nothing}'})
+    @Component({template: '@if (show) {Something} @else {Nothing}'})
     class TestComponent {
       show = true;
     }
@@ -48,7 +48,6 @@ describe('control flow - if', () => {
 
   it('should expose expression value in context', () => {
     @Component({
-      standalone: true,
       template: '@if (show; as alias) {{{show}} aliased to {{alias}}}',
     })
     class TestComponent {
@@ -66,7 +65,6 @@ describe('control flow - if', () => {
 
   it('should not expose the aliased expression to `if` and `else if` blocks', () => {
     @Component({
-      standalone: true,
       template: `
           @if (value === 1; as alias) {
             If: {{value}} as {{alias || 'unavailable'}}
@@ -96,7 +94,6 @@ describe('control flow - if', () => {
 
   it('should expose the context to nested conditional blocks', () => {
     @Component({
-      standalone: true,
       imports: [MultiplyPipe],
       template: `
           @if (value | multiply:2; as root) {
@@ -135,7 +132,6 @@ describe('control flow - if', () => {
     let logs: any[] = [];
 
     @Component({
-      standalone: true,
       imports: [MultiplyPipe],
       template: `
           @if (value | multiply:2; as root) {
@@ -186,7 +182,6 @@ describe('control flow - if', () => {
 
   it('should expose expression value passed through a pipe in context', () => {
     @Component({
-      standalone: true,
       template: '@if (value | multiply:2; as alias) {{{value}} aliased to {{alias}}}',
       imports: [MultiplyPipe],
     })
@@ -205,7 +200,6 @@ describe('control flow - if', () => {
 
   it('should destroy all views if there is nothing to display', () => {
     @Component({
-      standalone: true,
       template: '@if (show) {Something}',
     })
     class TestComponent {
@@ -223,7 +217,6 @@ describe('control flow - if', () => {
 
   it('should be able to use pipes in conditional expressions', () => {
     @Component({
-      standalone: true,
       imports: [MultiplyPipe],
       template: `
           @if ((value | multiply:2) === 2) {
@@ -254,7 +247,7 @@ describe('control flow - if', () => {
   });
 
   it('should be able to use pipes injecting ChangeDetectorRef in if blocks', () => {
-    @Pipe({name: 'test', standalone: true})
+    @Pipe({name: 'test'})
     class TestPipe implements PipeTransform {
       changeDetectorRef = inject(ChangeDetectorRef);
 
@@ -264,7 +257,6 @@ describe('control flow - if', () => {
     }
 
     @Component({
-      standalone: true,
       template: '@if (show | test) {Something}',
       imports: [TestPipe],
     })
@@ -279,7 +271,6 @@ describe('control flow - if', () => {
 
   it('should support a condition with the a typeof expression', () => {
     @Component({
-      standalone: true,
       template: `
           @if (typeof value === 'string') {
             {{value.length}}
@@ -304,14 +295,12 @@ describe('control flow - if', () => {
   describe('content projection', () => {
     it('should project an @if with a single root node into the root node slot', () => {
       @Component({
-        standalone: true,
         selector: 'test',
         template: 'Main: <ng-content/> Slot: <ng-content select="[foo]"/>',
       })
       class TestComponent {}
 
       @Component({
-        standalone: true,
         imports: [TestComponent],
         template: `
         <test>Before @if (true) {
@@ -330,7 +319,7 @@ describe('control flow - if', () => {
     it('should project an @if with a single root node with a data binding', () => {
       let directiveCount = 0;
 
-      @Directive({standalone: true, selector: '[foo]'})
+      @Directive({selector: '[foo]'})
       class Foo {
         @Input('foo') value: any;
 
@@ -340,14 +329,12 @@ describe('control flow - if', () => {
       }
 
       @Component({
-        standalone: true,
         selector: 'test',
         template: 'Main: <ng-content/> Slot: <ng-content select="[foo]"/>',
       })
       class TestComponent {}
 
       @Component({
-        standalone: true,
         imports: [TestComponent, Foo],
         template: `
         <test>Before @if (true) {
@@ -368,14 +355,12 @@ describe('control flow - if', () => {
 
     it('should project an @if with multiple root nodes into the catch-all slot', () => {
       @Component({
-        standalone: true,
         selector: 'test',
         template: 'Main: <ng-content/> Slot: <ng-content select="[foo]"/>',
       })
       class TestComponent {}
 
       @Component({
-        standalone: true,
         imports: [TestComponent],
         template: `
         <test>Before @if (true) {
@@ -394,14 +379,12 @@ describe('control flow - if', () => {
 
     it('should project an @if with an ng-container root node', () => {
       @Component({
-        standalone: true,
         selector: 'test',
         template: 'Main: <ng-content/> Slot: <ng-content select="[foo]"/>',
       })
       class TestComponent {}
 
       @Component({
-        standalone: true,
         imports: [TestComponent],
         template: `
         <test>Before @if (true) {
@@ -424,14 +407,12 @@ describe('control flow - if', () => {
     // This test is to ensure that we don't regress if it happens in the future.
     it('should project an @if with a single root node and comments into the root node slot', () => {
       @Component({
-        standalone: true,
         selector: 'test',
         template: 'Main: <ng-content/> Slot: <ng-content select="[foo]"/>',
       })
       class TestComponent {}
 
       @Component({
-        standalone: true,
         imports: [TestComponent],
         template: `
         <test>Before @if (true) {
@@ -451,7 +432,6 @@ describe('control flow - if', () => {
 
     it('should project @if an @else content into separate slots', () => {
       @Component({
-        standalone: true,
         selector: 'test',
         template:
           'if: (<ng-content select="[if_case]"/>),  else: (<ng-content select="[else_case]"/>)',
@@ -459,7 +439,6 @@ describe('control flow - if', () => {
       class TestComponent {}
 
       @Component({
-        standalone: true,
         imports: [TestComponent],
         template: `
         <test>
@@ -490,14 +469,12 @@ describe('control flow - if', () => {
 
     it('should project @if an @else content into separate slots when if has default content', () => {
       @Component({
-        standalone: true,
         selector: 'test',
         template: 'if: (<ng-content />),  else: (<ng-content select="[else_case]"/>)',
       })
       class TestComponent {}
 
       @Component({
-        standalone: true,
         imports: [TestComponent],
         template: `
               <test>
@@ -528,14 +505,12 @@ describe('control flow - if', () => {
 
     it('should project @if an @else content into separate slots when else has default content', () => {
       @Component({
-        standalone: true,
         selector: 'test',
         template: 'if: (<ng-content select="[if_case]"/>),  else: (<ng-content/>)',
       })
       class TestComponent {}
 
       @Component({
-        standalone: true,
         imports: [TestComponent],
         template: `
         <test>
@@ -566,14 +541,12 @@ describe('control flow - if', () => {
 
     it('should project the root node when preserveWhitespaces is enabled and there are no whitespace nodes', () => {
       @Component({
-        standalone: true,
         selector: 'test',
         template: 'Main: <ng-content/> Slot: <ng-content select="[foo]"/>',
       })
       class TestComponent {}
 
       @Component({
-        standalone: true,
         imports: [TestComponent],
         preserveWhitespaces: true,
         template: '<test>Before @if (true) {<span foo>one</span>} After</test>',
@@ -587,14 +560,12 @@ describe('control flow - if', () => {
 
     it('should not project the root node when preserveWhitespaces is enabled and there are whitespace nodes', () => {
       @Component({
-        standalone: true,
         selector: 'test',
         template: 'Main: <ng-content/> Slot: <ng-content select="[foo]"/>',
       })
       class TestComponent {}
 
       @Component({
-        standalone: true,
         imports: [TestComponent],
         preserveWhitespaces: true,
         // Note the whitespace due to the indentation inside @if.
@@ -613,14 +584,12 @@ describe('control flow - if', () => {
 
     it('should not project the root node across multiple layers of @if', () => {
       @Component({
-        standalone: true,
         selector: 'test',
         template: 'Main: <ng-content/> Slot: <ng-content select="[foo]"/>',
       })
       class TestComponent {}
 
       @Component({
-        standalone: true,
         imports: [TestComponent],
         template: `
         <test>Before @if (true) {
@@ -639,14 +608,12 @@ describe('control flow - if', () => {
 
     it('should project an @if with a single root template node into the root node slot', () => {
       @Component({
-        standalone: true,
         selector: 'test',
         template: 'Main: <ng-content/> Slot: <ng-content select="[foo]"/>',
       })
       class TestComponent {}
 
       @Component({
-        standalone: true,
         imports: [TestComponent, NgFor],
         template: `<test>Before @if (true) {
         <span *ngFor="let item of items" foo>{{item}}</span>
@@ -669,7 +636,6 @@ describe('control flow - if', () => {
       let directiveCount = 0;
 
       @Component({
-        standalone: true,
         selector: 'test',
         template: 'Main: <ng-content/> Slot: <ng-content select="[foo]"/>',
       })
@@ -677,7 +643,6 @@ describe('control flow - if', () => {
 
       @Directive({
         selector: '[foo]',
-        standalone: true,
       })
       class FooDirective {
         constructor() {
@@ -686,7 +651,6 @@ describe('control flow - if', () => {
       }
 
       @Component({
-        standalone: true,
         imports: [TestComponent, FooDirective],
         template: `<test>Before @if (true) {
         <span foo>foo</span>
@@ -706,7 +670,6 @@ describe('control flow - if', () => {
       let directiveCount = 0;
 
       @Component({
-        standalone: true,
         selector: 'test',
         template: 'Main: <ng-content/> Slot: <ng-content select="[foo]"/>',
       })
@@ -714,7 +677,6 @@ describe('control flow - if', () => {
 
       @Directive({
         selector: '[templateDir]',
-        standalone: true,
       })
       class TemplateDirective implements OnInit {
         constructor(
@@ -731,7 +693,6 @@ describe('control flow - if', () => {
       }
 
       @Component({
-        standalone: true,
         imports: [TestComponent, TemplateDirective],
         template: `<test>Before @if (true) {
         <span *templateDir foo>foo</span>
@@ -751,7 +712,6 @@ describe('control flow - if', () => {
       let directiveCount = 0;
 
       @Component({
-        standalone: true,
         selector: 'test',
         template: 'Main: <ng-content/> Slot: <ng-content select="[foo]"/>',
       })
@@ -759,7 +719,6 @@ describe('control flow - if', () => {
 
       @Directive({
         selector: '[templateDir]',
-        standalone: true,
       })
       class TemplateDirective implements OnInit {
         constructor(
@@ -776,7 +735,6 @@ describe('control flow - if', () => {
       }
 
       @Component({
-        standalone: true,
         imports: [TestComponent, TemplateDirective],
         template: `<test>Before @if (true) {
           <ng-template templateDir foo>foo</ng-template>
@@ -796,7 +754,6 @@ describe('control flow - if', () => {
       let directiveCount = 0;
 
       @Component({
-        standalone: true,
         selector: 'test',
         template: 'Main: <ng-content/> Slot: <ng-content select=".foo"/>',
       })
@@ -804,7 +761,6 @@ describe('control flow - if', () => {
 
       @Directive({
         selector: '.foo',
-        standalone: true,
       })
       class TemplateDirective {
         constructor() {
@@ -813,7 +769,6 @@ describe('control flow - if', () => {
       }
 
       @Component({
-        standalone: true,
         imports: [TestComponent, TemplateDirective],
         template: `<test>Before @if (condition) {
           <div class="foo">foo</div>
@@ -861,14 +816,12 @@ describe('control flow - if', () => {
 
     it('should project an @if with a single root node and @let declarations into the root node slot', () => {
       @Component({
-        standalone: true,
         selector: 'test',
         template: 'Main: <ng-content/> Slot: <ng-content select="[foo]"/>',
       })
       class TestComponent {}
 
       @Component({
-        standalone: true,
         imports: [TestComponent],
         template: `
         <test>Before @if (true) {
diff --git a/packages/core/test/acceptance/control_flow_switch_spec.ts b/packages/core/test/acceptance/control_flow_switch_spec.ts
index c70d3c3e90c..a9a0ca4d28b 100644
--- a/packages/core/test/acceptance/control_flow_switch_spec.ts
+++ b/packages/core/test/acceptance/control_flow_switch_spec.ts
@@ -10,7 +10,7 @@ import {ChangeDetectorRef, Component, inject, Pipe, PipeTransform} from '@angula
 import {TestBed} from '@angular/core/testing';
 
 // Basic shared pipe used during testing.
-@Pipe({name: 'multiply', pure: true, standalone: true})
+@Pipe({name: 'multiply', pure: true})
 class MultiplyPipe implements PipeTransform {
   transform(value: number, amount: number) {
     return value * amount;
@@ -20,7 +20,6 @@ class MultiplyPipe implements PipeTransform {
 describe('control flow - switch', () => {
   it('should show a template based on a matching case', () => {
     @Component({
-      standalone: true,
       template: `
           @switch (case) {
             @case (0) {case 0}
@@ -49,7 +48,6 @@ describe('control flow - switch', () => {
 
   it('should be able to use a pipe in the switch expression', () => {
     @Component({
-      standalone: true,
       imports: [MultiplyPipe],
       template: `
           @switch (case | multiply:2) {
@@ -79,7 +77,6 @@ describe('control flow - switch', () => {
 
   it('should be able to use a pipe in the case expression', () => {
     @Component({
-      standalone: true,
       imports: [MultiplyPipe],
       template: `
           @switch (case) {
@@ -108,7 +105,7 @@ describe('control flow - switch', () => {
   });
 
   it('should be able to use pipes injecting ChangeDetectorRef in switch blocks', () => {
-    @Pipe({name: 'test', standalone: true})
+    @Pipe({name: 'test'})
     class TestPipe implements PipeTransform {
       changeDetectorRef = inject(ChangeDetectorRef);
 
@@ -118,7 +115,6 @@ describe('control flow - switch', () => {
     }
 
     @Component({
-      standalone: true,
       template: `
         @switch (case | test) {
           @case (0 | test) {Zero}
@@ -138,7 +134,6 @@ describe('control flow - switch', () => {
 
   it('should project @switch cases into appropriate slots when selectors are used for all cases', () => {
     @Component({
-      standalone: true,
       selector: 'test',
       template:
         'case 1: (<ng-content select="[case_1]"/>), case 2: (<ng-content select="[case_2]"/>), case 3: (<ng-content select="[case_3]"/>)',
@@ -146,7 +141,6 @@ describe('control flow - switch', () => {
     class TestComponent {}
 
     @Component({
-      standalone: true,
       imports: [TestComponent],
       template: `
             <test>
@@ -183,7 +177,6 @@ describe('control flow - switch', () => {
 
   it('should project @switch cases into appropriate slots when selectors are used for some cases', () => {
     @Component({
-      standalone: true,
       selector: 'test',
       template:
         'case 1: (<ng-content select="[case_1]"/>), case 2: (<ng-content />), case 3: (<ng-content select="[case_3]"/>)',
@@ -191,7 +184,6 @@ describe('control flow - switch', () => {
     class TestComponent {}
 
     @Component({
-      standalone: true,
       imports: [TestComponent],
       template: `
           <test>
diff --git a/packages/core/test/acceptance/csp_spec.ts b/packages/core/test/acceptance/csp_spec.ts
index 2ef31dbef9c..5338ead5ef4 100644
--- a/packages/core/test/acceptance/csp_spec.ts
+++ b/packages/core/test/acceptance/csp_spec.ts
@@ -45,14 +45,12 @@ describe('CSP integration', () => {
         selector: 'uses-styles',
         template: '',
         styles: [testStyles],
-        standalone: true,
         encapsulation: ViewEncapsulation.Emulated,
       })
       class UsesStyles {}
 
       @Component({
         selector: 'app',
-        standalone: true,
         template: '<uses-styles></uses-styles>',
         imports: [UsesStyles],
       })
@@ -73,14 +71,12 @@ describe('CSP integration', () => {
         selector: 'uses-styles',
         template: '',
         styles: [testStyles],
-        standalone: true,
         encapsulation: ViewEncapsulation.None,
       })
       class UsesStyles {}
 
       @Component({
         selector: 'app',
-        standalone: true,
         template: '<uses-styles></uses-styles>',
         imports: [UsesStyles],
       })
@@ -107,7 +103,6 @@ describe('CSP integration', () => {
         selector: 'uses-styles',
         template: '',
         styles: [testStyles],
-        standalone: true,
         encapsulation: ViewEncapsulation.ShadowDom,
       })
       class UsesStyles {
@@ -118,7 +113,6 @@ describe('CSP integration', () => {
 
       @Component({
         selector: 'app',
-        standalone: true,
         template: '<uses-styles></uses-styles>',
         imports: [UsesStyles],
       })
@@ -135,12 +129,11 @@ describe('CSP integration', () => {
   it(
     'should prefer nonce provided through DI over one provided in the DOM',
     withBody('<app ngCspNonce="dom-nonce"></app>', async () => {
-      @Component({selector: 'uses-styles', template: '', styles: [testStyles], standalone: true})
+      @Component({selector: 'uses-styles', template: '', styles: [testStyles]})
       class UsesStyles {}
 
       @Component({
         selector: 'app',
-        standalone: true,
         template: '<uses-styles></uses-styles>',
         imports: [UsesStyles],
       })
diff --git a/packages/core/test/acceptance/defer_spec.ts b/packages/core/test/acceptance/defer_spec.ts
index ac1f0ec5a65..1992b7e2ae5 100644
--- a/packages/core/test/acceptance/defer_spec.ts
+++ b/packages/core/test/acceptance/defer_spec.ts
@@ -137,7 +137,6 @@ async function verifyTimeline(
 function createFixture(template: string) {
   @Component({
     selector: 'nested-cmp',
-    standalone: true,
     template: '{{ block }}',
   })
   class NestedCmp {
@@ -145,7 +144,6 @@ function createFixture(template: string) {
   }
 
   @Component({
-    standalone: true,
     selector: 'simple-app',
     imports: [NestedCmp],
     template,
@@ -203,13 +201,11 @@ describe('@defer', () => {
   it('should transition between placeholder, loading and loaded states', async () => {
     @Component({
       selector: 'my-lazy-cmp',
-      standalone: true,
       template: 'Hi!',
     })
     class MyLazyCmp {}
 
     @Component({
-      standalone: true,
       selector: 'simple-app',
       imports: [MyLazyCmp],
       template: `
@@ -248,13 +244,11 @@ describe('@defer', () => {
   it('should work when only main block is present', async () => {
     @Component({
       selector: 'my-lazy-cmp',
-      standalone: true,
       template: 'Hi!',
     })
     class MyLazyCmp {}
 
     @Component({
-      standalone: true,
       selector: 'simple-app',
       imports: [MyLazyCmp],
       template: `
@@ -284,7 +278,7 @@ describe('@defer', () => {
   });
 
   it('should be able to use pipes injecting ChangeDetectorRef in defer blocks', async () => {
-    @Pipe({name: 'test', standalone: true})
+    @Pipe({name: 'test'})
     class TestPipe implements PipeTransform {
       changeDetectorRef = inject(ChangeDetectorRef);
 
@@ -294,7 +288,6 @@ describe('@defer', () => {
     }
 
     @Component({
-      standalone: true,
       imports: [TestPipe],
       template: `@defer (when isVisible | test; prefetch when isVisible | test) {Hello}`,
     })
@@ -323,7 +316,6 @@ describe('@defer', () => {
     // code is wrapped using the `@defer` block.
     const logs: string[] = [];
     @Directive({
-      standalone: true,
       selector: '[dirA]',
     })
     class DirA {
@@ -333,7 +325,6 @@ describe('@defer', () => {
     }
 
     @Directive({
-      standalone: true,
       selector: '[dirB]',
     })
     class DirB {
@@ -343,7 +334,6 @@ describe('@defer', () => {
     }
 
     @Directive({
-      standalone: true,
       selector: '[dirC]',
     })
     class DirC {
@@ -353,7 +343,6 @@ describe('@defer', () => {
     }
 
     @Component({
-      standalone: true,
       // Directive order is intentional here (different from the order
       // in which they are defined on the host element).
       imports: [DirC, DirB, DirA],
@@ -387,7 +376,6 @@ describe('@defer', () => {
     it('should render when @defer is used inside of an OnPush component', async () => {
       @Component({
         selector: 'my-lazy-cmp',
-        standalone: true,
         template: '{{ foo }}',
       })
       class MyLazyCmp {
@@ -395,7 +383,6 @@ describe('@defer', () => {
       }
 
       @Component({
-        standalone: true,
         selector: 'simple-app',
         imports: [MyLazyCmp],
         changeDetection: ChangeDetectionStrategy.OnPush,
@@ -420,7 +407,6 @@ describe('@defer', () => {
     it('should render when @defer-loaded component uses OnPush', async () => {
       @Component({
         selector: 'my-lazy-cmp',
-        standalone: true,
         changeDetection: ChangeDetectionStrategy.OnPush,
         template: '{{ foo }}',
       })
@@ -429,7 +415,6 @@ describe('@defer', () => {
       }
 
       @Component({
-        standalone: true,
         selector: 'simple-app',
         imports: [MyLazyCmp],
         template: `
@@ -453,7 +438,6 @@ describe('@defer', () => {
     it('should render when both @defer-loaded and host component use OnPush', async () => {
       @Component({
         selector: 'my-lazy-cmp',
-        standalone: true,
         changeDetection: ChangeDetectionStrategy.OnPush,
         template: '{{ foo }}',
       })
@@ -462,7 +446,6 @@ describe('@defer', () => {
       }
 
       @Component({
-        standalone: true,
         selector: 'simple-app',
         imports: [MyLazyCmp],
         changeDetection: ChangeDetectionStrategy.OnPush,
@@ -487,7 +470,6 @@ describe('@defer', () => {
     it('should render when both OnPush components used in other blocks (e.g. @placeholder)', async () => {
       @Component({
         selector: 'my-lazy-cmp',
-        standalone: true,
         changeDetection: ChangeDetectionStrategy.OnPush,
         template: '{{ foo }}',
       })
@@ -497,7 +479,6 @@ describe('@defer', () => {
 
       @Component({
         selector: 'another-lazy-cmp',
-        standalone: true,
         changeDetection: ChangeDetectionStrategy.OnPush,
         template: '{{ foo }}',
       })
@@ -506,7 +487,6 @@ describe('@defer', () => {
       }
 
       @Component({
-        standalone: true,
         selector: 'simple-app',
         imports: [MyLazyCmp, AnotherLazyCmp],
         changeDetection: ChangeDetectionStrategy.OnPush,
@@ -550,7 +530,6 @@ describe('@defer', () => {
     it('should support `on immediate` condition', async () => {
       @Component({
         selector: 'nested-cmp',
-        standalone: true,
         template: 'Rendering {{ block }} block.',
       })
       class NestedCmp {
@@ -558,7 +537,6 @@ describe('@defer', () => {
       }
 
       @Component({
-        standalone: true,
         selector: 'root-app',
         imports: [NestedCmp],
         template: `
@@ -623,7 +601,6 @@ describe('@defer', () => {
     it('should support directive matching in all blocks', async () => {
       @Component({
         selector: 'nested-cmp',
-        standalone: true,
         template: 'Rendering {{ block }} block.',
       })
       class NestedCmp {
@@ -631,7 +608,6 @@ describe('@defer', () => {
       }
 
       @Component({
-        standalone: true,
         selector: 'simple-app',
         imports: [NestedCmp],
         template: `
@@ -822,7 +798,6 @@ describe('@defer', () => {
     it('should render an error block when loading fails', async () => {
       @Component({
         selector: 'nested-cmp',
-        standalone: true,
         template: 'Rendering {{ block }} block.',
       })
       class NestedCmp {
@@ -830,7 +805,6 @@ describe('@defer', () => {
       }
 
       @Component({
-        standalone: true,
         selector: 'simple-app',
         imports: [NestedCmp],
         template: `
@@ -889,13 +863,11 @@ describe('@defer', () => {
     it('should report an error to the ErrorHandler if no `@error` block is defined', async () => {
       @Component({
         selector: 'nested-cmp',
-        standalone: true,
         template: 'NestedCmp',
       })
       class NestedCmp {}
 
       @Component({
-        standalone: true,
         selector: 'simple-app',
         imports: [NestedCmp],
         template: `
@@ -959,7 +931,6 @@ describe('@defer', () => {
     it('should not render `@error` block if loaded component has errors', async () => {
       @Component({
         selector: 'cmp-with-error',
-        standalone: true,
         template: 'CmpWithError',
       })
       class CmpWithError {
@@ -969,7 +940,6 @@ describe('@defer', () => {
       }
 
       @Component({
-        standalone: true,
         selector: 'simple-app',
         imports: [CmpWithError],
         template: `
@@ -1045,7 +1015,6 @@ describe('@defer', () => {
         it(`should log an error in the handler when there is no error block with devMode:${devMode}`, async () => {
           @Component({
             selector: 'nested-cmp',
-            standalone: true,
             template: 'Rendering {{ block }} block.',
           })
           class NestedCmp {
@@ -1053,7 +1022,6 @@ describe('@defer', () => {
           }
 
           @Component({
-            standalone: true,
             selector: 'simple-app',
             imports: [NestedCmp],
             template: `
@@ -1126,7 +1094,6 @@ describe('@defer', () => {
     it('should query for components within each block', async () => {
       @Component({
         selector: 'nested-cmp',
-        standalone: true,
         template: 'Rendering {{ block }} block.',
       })
       class NestedCmp {
@@ -1134,7 +1101,6 @@ describe('@defer', () => {
       }
 
       @Component({
-        standalone: true,
         selector: 'simple-app',
         imports: [NestedCmp],
         template: `
@@ -1192,21 +1158,18 @@ describe('@defer', () => {
     it('should be able to project content into each block', async () => {
       @Component({
         selector: 'cmp-a',
-        standalone: true,
         template: 'CmpA',
       })
       class CmpA {}
 
       @Component({
         selector: 'cmp-b',
-        standalone: true,
         template: 'CmpB',
       })
       class CmpB {}
 
       @Component({
         selector: 'nested-cmp',
-        standalone: true,
         template: 'Rendering {{ block }} block.',
       })
       class NestedCmp {
@@ -1214,7 +1177,6 @@ describe('@defer', () => {
       }
 
       @Component({
-        standalone: true,
         selector: 'my-app',
         imports: [NestedCmp],
         template: `
@@ -1238,7 +1200,6 @@ describe('@defer', () => {
       }
 
       @Component({
-        standalone: true,
         selector: 'root-app',
         imports: [MyCmp, CmpA, CmpB],
         template: `
@@ -1303,14 +1264,12 @@ describe('@defer', () => {
     it('should be able to have nested blocks', async () => {
       @Component({
         selector: 'cmp-a',
-        standalone: true,
         template: 'CmpA',
       })
       class CmpA {}
 
       @Component({
         selector: 'nested-cmp',
-        standalone: true,
         template: 'Rendering {{ block }} block.',
       })
       class NestedCmp {
@@ -1318,7 +1277,6 @@ describe('@defer', () => {
       }
 
       @Component({
-        standalone: true,
         selector: 'root-app',
         imports: [NestedCmp, CmpA],
         template: `
@@ -1377,13 +1335,11 @@ describe('@defer', () => {
     it('should handle nested blocks that defer load the same dep', async () => {
       @Component({
         selector: 'cmp-a',
-        standalone: true,
         template: 'CmpA',
       })
       class CmpA {}
 
       @Component({
-        standalone: true,
         selector: 'root-app',
         imports: [CmpA],
         template: `
@@ -1495,7 +1451,6 @@ describe('@defer', () => {
     it('should be able to prefetch resources', async () => {
       @Component({
         selector: 'nested-cmp',
-        standalone: true,
         template: 'Rendering {{ block }} block.',
       })
       class NestedCmp {
@@ -1503,7 +1458,6 @@ describe('@defer', () => {
       }
 
       @Component({
-        standalone: true,
         selector: 'root-app',
         imports: [NestedCmp],
         template: `
@@ -1576,7 +1530,6 @@ describe('@defer', () => {
     it('should handle a case when prefetching fails', async () => {
       @Component({
         selector: 'nested-cmp',
-        standalone: true,
         template: 'Rendering {{ block }} block.',
       })
       class NestedCmp {
@@ -1584,7 +1537,6 @@ describe('@defer', () => {
       }
 
       @Component({
-        standalone: true,
         selector: 'root-app',
         imports: [NestedCmp],
         template: `
@@ -1656,7 +1608,6 @@ describe('@defer', () => {
     it('should work when loading and prefetching were kicked off at the same time', async () => {
       @Component({
         selector: 'nested-cmp',
-        standalone: true,
         template: 'Rendering {{ block }} block.',
       })
       class NestedCmp {
@@ -1664,7 +1615,6 @@ describe('@defer', () => {
       }
 
       @Component({
-        standalone: true,
         selector: 'root-app',
         imports: [NestedCmp],
         template: `
@@ -1724,7 +1674,6 @@ describe('@defer', () => {
     it('should support `prefetch on idle` condition', async () => {
       @Component({
         selector: 'nested-cmp',
-        standalone: true,
         template: 'Rendering {{ block }} block.',
       })
       class NestedCmp {
@@ -1732,7 +1681,6 @@ describe('@defer', () => {
       }
 
       @Component({
-        standalone: true,
         selector: 'root-app',
         imports: [NestedCmp],
         template: `
@@ -1801,7 +1749,6 @@ describe('@defer', () => {
     it('should trigger prefetching based on `on idle` only once', async () => {
       @Component({
         selector: 'nested-cmp',
-        standalone: true,
         template: 'Rendering {{ block }} block.',
       })
       class NestedCmp {
@@ -1809,7 +1756,6 @@ describe('@defer', () => {
       }
 
       @Component({
-        standalone: true,
         selector: 'root-app',
         imports: [NestedCmp],
         template: `
@@ -1882,7 +1828,6 @@ describe('@defer', () => {
     it('should trigger fetching based on `on idle` only once', async () => {
       @Component({
         selector: 'nested-cmp',
-        standalone: true,
         template: 'Rendering {{ block }} block.',
       })
       class NestedCmp {
@@ -1890,7 +1835,6 @@ describe('@defer', () => {
       }
 
       @Component({
-        standalone: true,
         selector: 'root-app',
         imports: [NestedCmp],
         template: `
@@ -1952,7 +1896,6 @@ describe('@defer', () => {
     it('should support `prefetch on immediate` condition', async () => {
       @Component({
         selector: 'nested-cmp',
-        standalone: true,
         template: 'Rendering {{ block }} block.',
       })
       class NestedCmp {
@@ -1960,7 +1903,6 @@ describe('@defer', () => {
       }
 
       @Component({
-        standalone: true,
         selector: 'root-app',
         imports: [NestedCmp],
         template: `
@@ -2031,7 +1973,6 @@ describe('@defer', () => {
     it('should delay nested defer blocks with `on idle` triggers', async () => {
       @Component({
         selector: 'nested-cmp',
-        standalone: true,
         template: 'Primary block content.',
       })
       class NestedCmp {
@@ -2040,13 +1981,11 @@ describe('@defer', () => {
 
       @Component({
         selector: 'another-nested-cmp',
-        standalone: true,
         template: 'Nested block component.',
       })
       class AnotherNestedCmp {}
 
       @Component({
-        standalone: true,
         selector: 'root-app',
         imports: [NestedCmp, AnotherNestedCmp],
         template: `
@@ -2129,7 +2068,6 @@ describe('@defer', () => {
     it('should not request idle callback for each block in a for loop', async () => {
       @Component({
         selector: 'nested-cmp',
-        standalone: true,
         template: 'Rendering {{ block }} block.',
       })
       class NestedCmp {
@@ -2137,7 +2075,6 @@ describe('@defer', () => {
       }
 
       @Component({
-        standalone: true,
         selector: 'root-app',
         imports: [NestedCmp],
         template: `
@@ -2200,7 +2137,6 @@ describe('@defer', () => {
     it('should delay nested defer blocks with `on idle` triggers', async () => {
       @Component({
         selector: 'nested-cmp',
-        standalone: true,
         template: 'Primary block content.',
       })
       class NestedCmp {
@@ -2209,13 +2145,11 @@ describe('@defer', () => {
 
       @Component({
         selector: 'another-nested-cmp',
-        standalone: true,
         template: 'Nested block component.',
       })
       class AnotherNestedCmp {}
 
       @Component({
-        standalone: true,
         selector: 'root-app',
         imports: [NestedCmp, AnotherNestedCmp],
         template: `
@@ -2296,7 +2230,6 @@ describe('@defer', () => {
 
     it('should clear idle handlers when defer block is triggered', async () => {
       @Component({
-        standalone: true,
         selector: 'root-app',
         template: `
           @defer (when isVisible; on idle; prefetch on idle) {
@@ -2339,7 +2272,6 @@ describe('@defer', () => {
   describe('trigger resolution', () => {
     it('should resolve a trigger is outside the defer block', fakeAsync(() => {
       @Component({
-        standalone: true,
         template: `
             @defer (on interaction(trigger)) {
               Main content
@@ -2369,11 +2301,10 @@ describe('@defer', () => {
     }));
 
     it('should resolve a trigger on a component outside the defer block', fakeAsync(() => {
-      @Component({selector: 'some-comp', template: '<button></button>', standalone: true})
+      @Component({selector: 'some-comp', template: '<button></button>'})
       class SomeComp {}
 
       @Component({
-        standalone: true,
         imports: [SomeComp],
         template: `
             @defer (on interaction(trigger)) {
@@ -2405,7 +2336,6 @@ describe('@defer', () => {
 
     it('should resolve a trigger that is on a parent element', fakeAsync(() => {
       @Component({
-        standalone: true,
         template: `
             <button #trigger>
               <div>
@@ -2434,7 +2364,6 @@ describe('@defer', () => {
 
     it('should resolve a trigger that is inside a parent embedded view', fakeAsync(() => {
       @Component({
-        standalone: true,
         template: `
             @if (cond) {
               <button #trigger></button>
@@ -2466,11 +2395,10 @@ describe('@defer', () => {
     }));
 
     it('should resolve a trigger that is on a component in a parent embedded view', fakeAsync(() => {
-      @Component({selector: 'some-comp', template: '<button></button>', standalone: true})
+      @Component({selector: 'some-comp', template: '<button></button>'})
       class SomeComp {}
 
       @Component({
-        standalone: true,
         imports: [SomeComp],
         template: `
               @if (cond) {
@@ -2504,7 +2432,6 @@ describe('@defer', () => {
 
     it('should resolve a trigger that is inside the placeholder', fakeAsync(() => {
       @Component({
-        standalone: true,
         template: `
               @defer (on interaction(trigger)) {
                 Main content
@@ -2526,11 +2453,10 @@ describe('@defer', () => {
     }));
 
     it('should resolve a trigger that is a component inside the placeholder', fakeAsync(() => {
-      @Component({selector: 'some-comp', template: '<button></button>', standalone: true})
+      @Component({selector: 'some-comp', template: '<button></button>'})
       class SomeComp {}
 
       @Component({
-        standalone: true,
         imports: [SomeComp],
         template: `
               @defer (on interaction(trigger)) {
@@ -2556,7 +2482,6 @@ describe('@defer', () => {
   describe('interaction triggers', () => {
     it('should load the deferred content when the trigger is clicked', fakeAsync(() => {
       @Component({
-        standalone: true,
         template: `
               @defer (on interaction(trigger)) {
                 Main content
@@ -2586,7 +2511,6 @@ describe('@defer', () => {
       }
 
       @Component({
-        standalone: true,
         template: `
               @defer (on interaction(trigger)) {
                 Main content
@@ -2612,7 +2536,6 @@ describe('@defer', () => {
 
     it('should load the deferred content when an implicit trigger is clicked', fakeAsync(() => {
       @Component({
-        standalone: true,
         template: `
              @defer (on interaction) {
                Main content
@@ -2636,7 +2559,6 @@ describe('@defer', () => {
 
     it('should load the deferred content if a child of the trigger is clicked', fakeAsync(() => {
       @Component({
-        standalone: true,
         template: `
               @defer (on interaction(trigger)) {
                 Main content
@@ -2665,7 +2587,6 @@ describe('@defer', () => {
 
     it('should support multiple deferred blocks with the same trigger', fakeAsync(() => {
       @Component({
-        standalone: true,
         template: `
              @defer (on interaction(trigger)) {
               Main content 1
@@ -2696,7 +2617,6 @@ describe('@defer', () => {
 
     it('should unbind the trigger events when the deferred block is loaded', fakeAsync(() => {
       @Component({
-        standalone: true,
         template: `
              @defer (on interaction(trigger)) {Main content}
              <button #trigger></button>
@@ -2721,7 +2641,6 @@ describe('@defer', () => {
 
     it('should unbind the trigger events when the trigger is destroyed', fakeAsync(() => {
       @Component({
-        standalone: true,
         template: `
             @if (renderBlock) {
               @defer (on interaction(trigger)) {Main content}
@@ -2749,7 +2668,6 @@ describe('@defer', () => {
 
     it('should unbind the trigger events when the deferred block is destroyed', fakeAsync(() => {
       @Component({
-        standalone: true,
         template: `
               @if (renderBlock) {
                 @defer (on interaction(trigger)) {Main content}
@@ -2778,7 +2696,6 @@ describe('@defer', () => {
 
     it('should remove placeholder content on interaction', fakeAsync(() => {
       @Component({
-        standalone: true,
         template: `
            @defer (on interaction(trigger)) {
              Main content
@@ -2811,7 +2728,6 @@ describe('@defer', () => {
 
     it('should prefetch resources on interaction', fakeAsync(() => {
       @Component({
-        standalone: true,
         selector: 'root-app',
         template: `
               @defer (when isLoaded; prefetch on interaction(trigger)) {Main content}
@@ -2855,7 +2771,6 @@ describe('@defer', () => {
 
     it('should prefetch resources on interaction with an implicit trigger', fakeAsync(() => {
       @Component({
-        standalone: true,
         selector: 'root-app',
         template: `
              @defer (when isLoaded; prefetch on interaction) {
@@ -2909,7 +2824,6 @@ describe('@defer', () => {
       }
 
       @Component({
-        standalone: true,
         template: `
               @defer (on hover(trigger)) {
                 Main content
@@ -2940,7 +2854,6 @@ describe('@defer', () => {
       }
 
       @Component({
-        standalone: true,
         template: `
              @defer (on hover) {
                Main content
@@ -2970,7 +2883,6 @@ describe('@defer', () => {
       }
 
       @Component({
-        standalone: true,
         template: `
               @defer (on hover(trigger)) {
                 Main content 1
@@ -3007,7 +2919,6 @@ describe('@defer', () => {
       }
 
       @Component({
-        standalone: true,
         template: `
              @defer (on hover(trigger)) {
               Main content
@@ -3040,7 +2951,6 @@ describe('@defer', () => {
       }
 
       @Component({
-        standalone: true,
         template: `
             @if (renderBlock) {
               @defer (on hover(trigger)) {
@@ -3076,7 +2986,6 @@ describe('@defer', () => {
       }
 
       @Component({
-        standalone: true,
         template: `
               @if (renderBlock) {
                 @defer (on hover(trigger)) {
@@ -3113,7 +3022,6 @@ describe('@defer', () => {
       }
 
       @Component({
-        standalone: true,
         selector: 'root-app',
         template: `
               @defer (when isLoaded; prefetch on hover(trigger)) {
@@ -3165,7 +3073,6 @@ describe('@defer', () => {
       }
 
       @Component({
-        standalone: true,
         selector: 'root-app',
         template: `
              @defer (when isLoaded; prefetch on hover) {
@@ -3216,7 +3123,6 @@ describe('@defer', () => {
     it('should trigger based on `on timer` condition', async () => {
       @Component({
         selector: 'nested-cmp',
-        standalone: true,
         template: 'Rendering {{ block }} block.',
       })
       class NestedCmp {
@@ -3224,7 +3130,6 @@ describe('@defer', () => {
       }
 
       @Component({
-        standalone: true,
         selector: 'root-app',
         imports: [NestedCmp],
         template: `
@@ -3292,7 +3197,6 @@ describe('@defer', () => {
 
     it('should trigger nested `on timer` condition', async () => {
       @Component({
-        standalone: true,
         selector: 'root-app',
         template: `
           @defer (on timer(100ms)) {
@@ -3339,7 +3243,6 @@ describe('@defer', () => {
     it('should trigger prefetching based on `on timer` condition', async () => {
       @Component({
         selector: 'nested-cmp',
-        standalone: true,
         template: 'Rendering {{ block }} block.',
       })
       class NestedCmp {
@@ -3347,7 +3250,6 @@ describe('@defer', () => {
       }
 
       @Component({
-        standalone: true,
         selector: 'root-app',
         imports: [NestedCmp],
         template: `
@@ -3428,7 +3330,6 @@ describe('@defer', () => {
       const clearSpy = spyOn(globalThis, 'clearTimeout');
 
       @Component({
-        standalone: true,
         selector: 'root-app',
         template: `
               @defer (when isVisible; on timer(200ms); prefetch on timer(100ms)) {
@@ -3554,7 +3455,6 @@ describe('@defer', () => {
 
     it('should load the deferred content when the trigger is in the viewport', fakeAsync(() => {
       @Component({
-        standalone: true,
         template: `
               @defer (on viewport(trigger)) {
                 Main content
@@ -3581,7 +3481,6 @@ describe('@defer', () => {
 
     it('should load the deferred content when an implicit trigger is in the viewport', fakeAsync(() => {
       @Component({
-        standalone: true,
         template: `
              @defer (on viewport) {
                Main content
@@ -3607,7 +3506,6 @@ describe('@defer', () => {
 
     it('should not load the content if the trigger is not in the view yet', fakeAsync(() => {
       @Component({
-        standalone: true,
         template: `
              @defer (on viewport(trigger)) {
               Main content
@@ -3645,7 +3543,6 @@ describe('@defer', () => {
 
     it('should support multiple deferred blocks with the same trigger', fakeAsync(() => {
       @Component({
-        standalone: true,
         template: `
             @defer (on viewport(trigger)) {
               Main content 1
@@ -3677,7 +3574,6 @@ describe('@defer', () => {
 
     it('should stop observing the trigger when the deferred block is loaded', fakeAsync(() => {
       @Component({
-        standalone: true,
         template: `
             @defer (on viewport(trigger)) {
               Main content
@@ -3705,7 +3601,6 @@ describe('@defer', () => {
 
     it('should stop observing the trigger when the trigger is destroyed', fakeAsync(() => {
       @Component({
-        standalone: true,
         template: `
            @if (renderBlock) {
              @defer (on viewport(trigger)) {
@@ -3736,7 +3631,6 @@ describe('@defer', () => {
 
     it('should stop observing the trigger when the deferred block is destroyed', fakeAsync(() => {
       @Component({
-        standalone: true,
         template: `
              @if (renderBlock) {
               @defer (on viewport(trigger)) {
@@ -3768,7 +3662,6 @@ describe('@defer', () => {
 
     it('should disconnect the intersection observer once all deferred blocks have been loaded', fakeAsync(() => {
       @Component({
-        standalone: true,
         template: `
             <button #triggerOne></button>
             @defer (on viewport(triggerOne)) {
@@ -3808,7 +3701,6 @@ describe('@defer', () => {
 
     it('should prefetch resources when the trigger comes into the viewport', fakeAsync(() => {
       @Component({
-        standalone: true,
         selector: 'root-app',
         template: `
              @defer (when isLoaded; prefetch on viewport(trigger)) {
@@ -3855,7 +3747,6 @@ describe('@defer', () => {
 
     it('should prefetch resources when an implicit trigger comes into the viewport', fakeAsync(() => {
       @Component({
-        standalone: true,
         selector: 'root-app',
         template: `
              @defer (when isLoaded; prefetch on viewport) {
@@ -3903,7 +3794,6 @@ describe('@defer', () => {
 
     it('should load deferred content in a loop', fakeAsync(() => {
       @Component({
-        standalone: true,
         template: `
               @for (item of items; track item) {
                 @defer (on viewport) {d{{item}} }
@@ -3944,7 +3834,6 @@ describe('@defer', () => {
   describe('DOM-based events cleanup', () => {
     it('should unbind `interaction` trigger events when the deferred block is loaded', async () => {
       @Component({
-        standalone: true,
         template: `
           @defer (
             when isVisible;
@@ -3994,7 +3883,6 @@ describe('@defer', () => {
 
     it('should unbind `hover` trigger events when the deferred block is loaded', async () => {
       @Component({
-        standalone: true,
         template: `
           @defer (
             when isVisible;
@@ -4067,7 +3955,6 @@ describe('@defer', () => {
       const TokenB = new InjectionToken('B');
 
       @Component({
-        standalone: true,
         selector: 'parent-cmp',
         template: '<ng-content />',
         providers: [{provide: TokenA, useValue: 'TokenA.ParentCmp'}],
@@ -4075,7 +3962,6 @@ describe('@defer', () => {
       class ParentCmp {}
 
       @Component({
-        standalone: true,
         selector: 'child-cmp',
         template: 'Token A: {{ parentTokenA }} | Token B: {{ parentTokenB }}',
       })
@@ -4085,7 +3971,6 @@ describe('@defer', () => {
       }
 
       @Component({
-        standalone: true,
         selector: 'app-root',
         template: `
           <parent-cmp>
@@ -4145,7 +4030,6 @@ describe('@defer', () => {
 
         @Component({
           selector: 'lazy',
-          standalone: true,
           imports: [MyModule],
           template: `
           Lazy Component! Token: {{ token }}
@@ -4156,7 +4040,6 @@ describe('@defer', () => {
         }
 
         @Component({
-          standalone: true,
           imports: [Lazy],
           template: `
           @defer (on immediate) {
@@ -4167,7 +4050,6 @@ describe('@defer', () => {
         class Dialog {}
 
         @Component({
-          standalone: true,
           selector: 'app-root',
           providers: [{provide: TokenA, useValue: 'TokenA from RootCmp'}],
           template: `
@@ -4260,14 +4142,12 @@ describe('@defer', () => {
       @Component({
         selector: 'chart-collection',
         template: '<chart />',
-        standalone: true,
         imports: [ChartsModule],
       })
       class ChartCollectionComponent {}
 
       @Component({
         selector: 'app-root',
-        standalone: true,
         template: `
           @for(item of items; track $index) {
             @defer (when isVisible) {
@@ -4336,14 +4216,12 @@ describe('@defer', () => {
       class MyModuleA {}
 
       @Component({
-        standalone: true,
         imports: [RouterOutlet],
         template: '<router-outlet />',
       })
       class App {}
 
       @Component({
-        standalone: true,
         selector: 'another-child',
         imports: [CommonModule, MyModuleA],
         template: 'another child: {{route.snapshot.url[0]}} | token: {{tokenA}}',
@@ -4357,7 +4235,6 @@ describe('@defer', () => {
       }
 
       @Component({
-        standalone: true,
         imports: [CommonModule, AnotherChild],
         template: `
           child: {{route.snapshot.url[0]}} |
diff --git a/packages/core/test/acceptance/destroy_ref_spec.ts b/packages/core/test/acceptance/destroy_ref_spec.ts
index 872b4db4d67..83b363ce8d8 100644
--- a/packages/core/test/acceptance/destroy_ref_spec.ts
+++ b/packages/core/test/acceptance/destroy_ref_spec.ts
@@ -82,7 +82,6 @@ describe('DestroyRef', () => {
 
       @Component({
         selector: 'test',
-        standalone: true,
         template: ``,
       })
       class TestCmp {
@@ -103,7 +102,6 @@ describe('DestroyRef', () => {
 
       @Directive({
         selector: '[withCleanup]',
-        standalone: true,
       })
       class WithCleanupDirective {
         constructor() {
@@ -113,7 +111,6 @@ describe('DestroyRef', () => {
 
       @Component({
         selector: 'test',
-        standalone: true,
         imports: [WithCleanupDirective],
         // note: we are trying to register a LView-level cleanup _before_ TView-level one (event
         // listener)
@@ -136,7 +133,6 @@ describe('DestroyRef', () => {
 
       @Directive({
         selector: '[withCleanup]',
-        standalone: true,
       })
       class WithCleanupDirective {
         constructor() {
@@ -146,7 +142,6 @@ describe('DestroyRef', () => {
 
       @Component({
         selector: 'test',
-        standalone: true,
         imports: [WithCleanupDirective, NgIf],
         template: `<ng-template [ngIf]="show"><div withCleanup></div></ng-template>`,
       })
@@ -167,7 +162,6 @@ describe('DestroyRef', () => {
       const onDestroySpy = jasmine.createSpy('destroy spy');
       @Component({
         selector: 'child',
-        standalone: true,
         template: '',
       })
       class Child {
@@ -176,7 +170,6 @@ describe('DestroyRef', () => {
         }
       }
       @Component({
-        standalone: true,
         imports: [Child, NgIf],
         template: '<child *ngIf="showChild"></child>',
       })
@@ -197,7 +190,6 @@ describe('DestroyRef', () => {
 
     @Component({
       selector: 'test',
-      standalone: true,
       template: ``,
     })
     class TestCmp {
@@ -223,7 +215,6 @@ describe('DestroyRef', () => {
 
     @Component({
       selector: 'test',
-      standalone: true,
       template: ``,
     })
     class TestCmp {
@@ -251,7 +242,6 @@ describe('DestroyRef', () => {
   it('should throw when trying to register destroy callback on destroyed LView', () => {
     @Component({
       selector: 'test',
-      standalone: true,
       template: ``,
     })
     class TestCmp {
@@ -272,7 +262,6 @@ describe('DestroyRef', () => {
 
     @Component({
       selector: 'test',
-      standalone: true,
       template: ``,
     })
     class TestCmp {
diff --git a/packages/core/test/acceptance/di_spec.ts b/packages/core/test/acceptance/di_spec.ts
index 2a837a7075d..5ef849a7722 100644
--- a/packages/core/test/acceptance/di_spec.ts
+++ b/packages/core/test/acceptance/di_spec.ts
@@ -309,7 +309,6 @@ describe('importProvidersFrom', () => {
     class ModuleA {}
 
     @Component({
-      standalone: true,
       template: '',
       imports: [ModuleA],
     })
@@ -3924,7 +3923,6 @@ describe('di', () => {
       const TOKEN = new InjectionToken<string>('TOKEN');
 
       @Component({
-        standalone: true,
         selector: 'test-cmp',
         template: '{{value}}',
         providers: [{provide: TOKEN, useValue: 'injected value'}],
@@ -3953,7 +3951,6 @@ describe('di', () => {
       }
 
       @Component({
-        standalone: true,
         selector: 'test-cmp',
         template: '{{service.value}}',
         providers: [Service, {provide: TOKEN, useValue: 'injected value'}],
@@ -3971,7 +3968,6 @@ describe('di', () => {
       const TOKEN = new InjectionToken<string>('TOKEN');
 
       @Component({
-        standalone: true,
         selector: 'test-cmp',
         template: '{{value}}',
       })
@@ -4048,7 +4044,6 @@ describe('di', () => {
       }
 
       @Component({
-        standalone: true,
         selector: 'test-cmp',
         template: '{{service.value}}',
         providers: [{provide: TOKEN, useValue: 'injected value'}],
@@ -4074,7 +4069,6 @@ describe('di', () => {
         const TOKEN = new InjectionToken<string>('TOKEN');
 
         @Component({
-          standalone: true,
           template: '',
         })
         class TestCmp {
@@ -4090,7 +4084,6 @@ describe('di', () => {
           factory: () => 'from root',
         });
         @Component({
-          standalone: true,
           template: '',
           providers: [{provide: TOKEN, useValue: 'from component'}],
         })
@@ -4108,7 +4101,6 @@ describe('di', () => {
         });
 
         @Component({
-          standalone: true,
           template: '',
         })
         class TestCmp {
@@ -4122,7 +4114,6 @@ describe('di', () => {
         const TOKEN = new InjectionToken<string>('TOKEN');
 
         @Component({
-          standalone: true,
           selector: 'child',
           template: '{{value}}',
         })
@@ -4131,7 +4122,6 @@ describe('di', () => {
         }
 
         @Component({
-          standalone: true,
           imports: [ChildCmp],
           template: '<child></child>',
           providers: [{provide: TOKEN, useValue: 'from parent'}],
@@ -4151,7 +4141,6 @@ describe('di', () => {
         });
 
         @Component({
-          standalone: true,
           template: '',
         })
         class TestCmp {
@@ -4171,7 +4160,6 @@ describe('di', () => {
         const TOKEN = new InjectionToken<string>('TOKEN');
 
         @Component({
-          standalone: true,
           template: '',
         })
         class TestCmp {
@@ -4192,7 +4180,6 @@ describe('di', () => {
         const TOKEN = new InjectionToken<string>('TOKEN');
 
         @Component({
-          standalone: true,
           template: '',
         })
         class TestCmp {
@@ -4227,7 +4214,6 @@ describe('di', () => {
           factory: () => 'from root',
         });
         @Component({
-          standalone: true,
           template: '',
           providers: [{provide: TOKEN, useValue: 'from component'}],
         })
@@ -4257,7 +4243,6 @@ describe('di', () => {
         });
 
         @Component({
-          standalone: true,
           template: '',
         })
         class TestCmp {
@@ -4282,7 +4267,6 @@ describe('di', () => {
         const TOKEN = new InjectionToken<string>('TOKEN');
 
         @Component({
-          standalone: true,
           selector: 'child',
           template: '{{ a }}|{{ b }}',
         })
@@ -4293,7 +4277,6 @@ describe('di', () => {
         }
 
         @Component({
-          standalone: true,
           imports: [ChildCmp],
           template: '<child></child>',
           providers: [{provide: TOKEN, useValue: 'from parent'}],
@@ -4364,7 +4347,6 @@ describe('di', () => {
       });
 
       @Component({
-        standalone: true,
         template: '',
         providers: [{provide: TOKEN, useValue: 'from component'}],
       })
@@ -4389,7 +4371,6 @@ describe('di', () => {
 
     it('should support node injectors', () => {
       @Component({
-        standalone: true,
         template: '',
       })
       class TestCmp {
@@ -4905,13 +4886,12 @@ describe('di', () => {
 
   describe('HostAttributeToken', () => {
     it('should inject an attribute on an element node', () => {
-      @Directive({selector: '[dir]', standalone: true})
+      @Directive({selector: '[dir]'})
       class Dir {
         value = inject(new HostAttributeToken('some-attr'));
       }
 
       @Component({
-        standalone: true,
         template: '<div dir some-attr="foo" other="ignore"></div>',
         imports: [Dir],
       })
@@ -4925,13 +4905,12 @@ describe('di', () => {
     });
 
     it('should inject an attribute on <ng-template>', () => {
-      @Directive({selector: '[dir]', standalone: true})
+      @Directive({selector: '[dir]'})
       class Dir {
         value = inject(new HostAttributeToken('some-attr'));
       }
 
       @Component({
-        standalone: true,
         template: '<ng-template dir some-attr="foo" other="ignore"></ng-template>',
         imports: [Dir],
       })
@@ -4945,13 +4924,12 @@ describe('di', () => {
     });
 
     it('should inject an attribute on <ng-container>', () => {
-      @Directive({selector: '[dir]', standalone: true})
+      @Directive({selector: '[dir]'})
       class Dir {
         value = inject(new HostAttributeToken('some-attr'));
       }
 
       @Component({
-        standalone: true,
         template: '<ng-container dir some-attr="foo" other="ignore"></ng-container>',
         imports: [Dir],
       })
@@ -4965,7 +4943,7 @@ describe('di', () => {
     });
 
     it('should be able to inject different kinds of attributes', () => {
-      @Directive({selector: '[dir]', standalone: true})
+      @Directive({selector: '[dir]'})
       class Dir {
         className = inject(new HostAttributeToken('class'));
         inlineStyles = inject(new HostAttributeToken('style'));
@@ -4973,7 +4951,6 @@ describe('di', () => {
       }
 
       @Component({
-        standalone: true,
         template: `
           <div
             dir
@@ -4999,13 +4976,12 @@ describe('di', () => {
     });
 
     it('should throw a DI error when injecting a non-existent attribute', () => {
-      @Directive({selector: '[dir]', standalone: true})
+      @Directive({selector: '[dir]'})
       class Dir {
         value = inject(new HostAttributeToken('some-attr'));
       }
 
       @Component({
-        standalone: true,
         template: '<div dir other="ignore"></div>',
         imports: [Dir],
       })
@@ -5019,13 +4995,12 @@ describe('di', () => {
     });
 
     it('should not throw a DI error when injecting a non-existent attribute with optional: true', () => {
-      @Directive({selector: '[dir]', standalone: true})
+      @Directive({selector: '[dir]'})
       class Dir {
         value = inject(new HostAttributeToken('some-attr'), {optional: true});
       }
 
       @Component({
-        standalone: true,
         template: '<div dir other="ignore"></div>',
         imports: [Dir],
       })
@@ -5039,7 +5014,7 @@ describe('di', () => {
     });
 
     it('should not inject attributes with namespace', () => {
-      @Directive({selector: '[dir]', standalone: true})
+      @Directive({selector: '[dir]'})
       class Dir {
         value = inject(new HostAttributeToken('some-attr'), {optional: true});
         namespaceExists = inject(new HostAttributeToken('svg:exist'), {optional: true});
@@ -5047,7 +5022,6 @@ describe('di', () => {
       }
 
       @Component({
-        standalone: true,
         template: `
           <div dir some-attr="foo" svg:exists="testExistValue" other="otherValue"></div>
         `,
@@ -5067,7 +5041,7 @@ describe('di', () => {
     });
 
     it('should not inject attributes representing bindings and outputs', () => {
-      @Directive({selector: '[dir]', standalone: true})
+      @Directive({selector: '[dir]'})
       class Dir {
         @Input() binding!: string;
         @Output() output = new EventEmitter();
@@ -5079,7 +5053,6 @@ describe('di', () => {
       }
 
       @Component({
-        standalone: true,
         imports: [Dir],
         template: `
           <div
@@ -5107,13 +5080,12 @@ describe('di', () => {
     });
 
     it('should not inject data-bound attributes', () => {
-      @Directive({selector: '[dir]', standalone: true})
+      @Directive({selector: '[dir]'})
       class Dir {
         value = inject(new HostAttributeToken('title'), {optional: true});
       }
 
       @Component({
-        standalone: true,
         template: '<div dir title="foo {{value}}" other="ignore"></div>',
         imports: [Dir],
       })
@@ -5132,13 +5104,12 @@ describe('di', () => {
     it('should inject an attribute using @Inject', () => {
       const TOKEN = new HostAttributeToken('some-attr');
 
-      @Directive({selector: '[dir]', standalone: true})
+      @Directive({selector: '[dir]'})
       class Dir {
         constructor(@Inject(TOKEN) readonly value: string) {}
       }
 
       @Component({
-        standalone: true,
         template: '<div dir some-attr="foo" other="ignore"></div>',
         imports: [Dir],
       })
@@ -5154,13 +5125,12 @@ describe('di', () => {
     it('should throw when injecting a non-existent attribute using @Inject', () => {
       const TOKEN = new HostAttributeToken('some-attr');
 
-      @Directive({selector: '[dir]', standalone: true})
+      @Directive({selector: '[dir]'})
       class Dir {
         constructor(@Inject(TOKEN) readonly value: string) {}
       }
 
       @Component({
-        standalone: true,
         template: '<div dir other="ignore"></div>',
         imports: [Dir],
       })
@@ -5176,13 +5146,12 @@ describe('di', () => {
     it('should not throw when injecting a non-existent attribute using @Inject @Optional', () => {
       const TOKEN = new HostAttributeToken('some-attr');
 
-      @Directive({selector: '[dir]', standalone: true})
+      @Directive({selector: '[dir]'})
       class Dir {
         constructor(@Inject(TOKEN) @Optional() readonly value: string | null) {}
       }
 
       @Component({
-        standalone: true,
         template: '<div dir other="ignore"></div>',
         imports: [Dir],
       })
@@ -5198,13 +5167,12 @@ describe('di', () => {
 
   describe('HOST_TAG_NAME', () => {
     it('should inject the tag name on an element node', () => {
-      @Directive({selector: '[dir]', standalone: true})
+      @Directive({selector: '[dir]'})
       class Dir {
         value = inject(HOST_TAG_NAME);
       }
 
       @Component({
-        standalone: true,
         template: `
           <div dir #v1></div>
           <span dir #v2></span>
@@ -5232,13 +5200,12 @@ describe('di', () => {
     });
 
     it('should throw a DI error when injecting into non-DOM nodes', () => {
-      @Directive({selector: '[dir]', standalone: true})
+      @Directive({selector: '[dir]'})
       class Dir {
         value = inject(HOST_TAG_NAME);
       }
 
       @Component({
-        standalone: true,
         template: '<ng-container dir></ng-container>',
         imports: [Dir],
       })
@@ -5247,7 +5214,6 @@ describe('di', () => {
       }
 
       @Component({
-        standalone: true,
         template: '<ng-template dir></ng-template>',
         imports: [Dir],
       })
@@ -5265,13 +5231,12 @@ describe('di', () => {
     });
 
     it('should not throw a DI error when injecting into non-DOM nodes with optional: true', () => {
-      @Directive({selector: '[dir]', standalone: true})
+      @Directive({selector: '[dir]'})
       class Dir {
         value = inject(HOST_TAG_NAME, {optional: true});
       }
 
       @Component({
-        standalone: true,
         template: '<ng-container dir></ng-container>',
         imports: [Dir],
       })
diff --git a/packages/core/test/acceptance/directive_spec.ts b/packages/core/test/acceptance/directive_spec.ts
index 12099bea8e8..8c383b7f69c 100644
--- a/packages/core/test/acceptance/directive_spec.ts
+++ b/packages/core/test/acceptance/directive_spec.ts
@@ -864,7 +864,7 @@ describe('directives', () => {
     });
 
     it('should transform aliased inputs coming from host directives', () => {
-      @Directive({standalone: true})
+      @Directive()
       class HostDir {
         @Input({transform: (value: string) => (value ? 1 : 0)}) value = -1;
       }
diff --git a/packages/core/test/acceptance/env_injector_standalone_spec.ts b/packages/core/test/acceptance/env_injector_standalone_spec.ts
index 0924c1a05d9..3bd45e1392c 100644
--- a/packages/core/test/acceptance/env_injector_standalone_spec.ts
+++ b/packages/core/test/acceptance/env_injector_standalone_spec.ts
@@ -25,7 +25,7 @@ describe('environment injector and standalone components', () => {
     @NgModule({providers: [ModuleService]})
     class Module {}
 
-    @Component({standalone: true, imports: [Module]})
+    @Component({imports: [Module]})
     class StandaloneComponent {}
 
     const parentEnvInjector = TestBed.inject(EnvironmentInjector);
@@ -42,7 +42,7 @@ describe('environment injector and standalone components', () => {
     @NgModule({providers: [ModuleService]})
     class Module {}
 
-    @Component({standalone: true, imports: [Module]})
+    @Component({imports: [Module]})
     class StandaloneComponent {}
 
     @NgModule({imports: [StandaloneComponent], exports: [StandaloneComponent]})
@@ -62,10 +62,10 @@ describe('environment injector and standalone components', () => {
     @NgModule({providers: [{provide: ModuleService, useClass: ModuleService, multi: true}]})
     class Module {}
 
-    @Component({standalone: true, imports: [Module]})
+    @Component({imports: [Module]})
     class StandaloneComponent1 {}
 
-    @Component({standalone: true, imports: [Module]})
+    @Component({imports: [Module]})
     class StandaloneComponent2 {}
 
     @NgModule({
diff --git a/packages/core/test/acceptance/environment_injector_spec.ts b/packages/core/test/acceptance/environment_injector_spec.ts
index 7a910e918fc..4f80382d185 100644
--- a/packages/core/test/acceptance/environment_injector_spec.ts
+++ b/packages/core/test/acceptance/environment_injector_spec.ts
@@ -233,7 +233,6 @@ describe('environment injector', () => {
       });
 
       @Component({
-        standalone: true,
         template: '',
         providers: [{provide: TOKEN, useValue: 'from component'}],
       })
diff --git a/packages/core/test/acceptance/hmr_spec.ts b/packages/core/test/acceptance/hmr_spec.ts
index ce88026f1a5..6327eb66561 100644
--- a/packages/core/test/acceptance/hmr_spec.ts
+++ b/packages/core/test/acceptance/hmr_spec.ts
@@ -44,7 +44,6 @@ describe('hot module replacement', () => {
     let instance!: ChildCmp;
     const initialMetadata: Component = {
       selector: 'child-cmp',
-      standalone: true,
       template: 'Hello <strong>{{state}}</strong>',
     };
 
@@ -58,7 +57,6 @@ describe('hot module replacement', () => {
     }
 
     @Component({
-      standalone: true,
       imports: [ChildCmp],
       template: '<child-cmp/>',
     })
@@ -111,7 +109,6 @@ describe('hot module replacement', () => {
   it('should recreate multiple usages of a complex component', () => {
     const initialMetadata: Component = {
       selector: 'child-cmp',
-      standalone: true,
       template: '<span>ChildCmp (orig)</span><h1>{{ text }}</h1>',
     };
 
@@ -121,7 +118,6 @@ describe('hot module replacement', () => {
     }
 
     @Component({
-      standalone: true,
       imports: [ChildCmp],
       template: `
         <i>Unrelated node #1</i>
@@ -204,7 +200,6 @@ describe('hot module replacement', () => {
   it('should not recreate sub-classes of a component being replaced', () => {
     const initialMetadata: Component = {
       selector: 'child-cmp',
-      standalone: true,
       template: 'Base class',
     };
 
@@ -213,13 +208,11 @@ describe('hot module replacement', () => {
 
     @Component({
       selector: 'child-sub-cmp',
-      standalone: true,
       template: 'Sub class',
     })
     class ChildSubCmp extends ChildCmp {}
 
     @Component({
-      standalone: true,
       imports: [ChildCmp, ChildSubCmp],
       template: `<child-cmp/>|<child-sub-cmp/>`,
     })
@@ -275,7 +268,6 @@ describe('hot module replacement', () => {
     }
 
     @Component({
-      standalone: true,
       imports: [ChildCmp],
       template: '<child-cmp/>',
     })
@@ -313,7 +305,6 @@ describe('hot module replacement', () => {
   it('should continue binding inputs to a component that is replaced', () => {
     const initialMetadata: Component = {
       selector: 'child-cmp',
-      standalone: true,
       template: '<span>{{staticValue}}</span><strong>{{dynamicValue}}</strong>',
     };
 
@@ -324,7 +315,6 @@ describe('hot module replacement', () => {
     }
 
     @Component({
-      standalone: true,
       imports: [ChildCmp],
       template: `<child-cmp staticValue="1" [dynamicValue]="dynamicValue"/>`,
     })
@@ -397,7 +387,6 @@ describe('hot module replacement', () => {
   it('should recreate a component used inside @for', () => {
     const initialMetadata: Component = {
       selector: 'child-cmp',
-      standalone: true,
       template: 'Hello <strong>{{value}}</strong>',
     };
 
@@ -407,7 +396,6 @@ describe('hot module replacement', () => {
     }
 
     @Component({
-      standalone: true,
       imports: [ChildCmp],
       template: `
         @for (current of items; track current.id) {
@@ -482,7 +470,6 @@ describe('hot module replacement', () => {
   it('should be able to replace a component that injects ViewContainerRef', () => {
     const initialMetadata: Component = {
       selector: 'child-cmp',
-      standalone: true,
       template: 'Hello <strong>world</strong>',
     };
 
@@ -492,7 +479,6 @@ describe('hot module replacement', () => {
     }
 
     @Component({
-      standalone: true,
       imports: [ChildCmp],
       template: '<child-cmp/>',
     })
@@ -565,7 +551,6 @@ describe('hot module replacement', () => {
     it('should update ViewChildren query results', async () => {
       @Component({
         selector: 'child-cmp',
-        standalone: true,
         template: '<span>ChildCmp {{ text }}</span>',
       })
       class ChildCmp {
@@ -574,7 +559,6 @@ describe('hot module replacement', () => {
 
       let instance!: ParentCmp;
       const initialMetadata: Component = {
-        standalone: true,
         selector: 'parent-cmp',
         imports: [ChildCmp],
         template: `
@@ -593,7 +577,6 @@ describe('hot module replacement', () => {
       }
 
       @Component({
-        standalone: true,
         imports: [ParentCmp],
         template: `<parent-cmp/>`,
       })
@@ -623,7 +606,6 @@ describe('hot module replacement', () => {
     it('should update ViewChild when the string points to a different element', async () => {
       let instance!: ParentCmp;
       const initialMetadata: Component = {
-        standalone: true,
         selector: 'parent-cmp',
         template: `
           <div>
@@ -644,7 +626,6 @@ describe('hot module replacement', () => {
       }
 
       @Component({
-        standalone: true,
         imports: [ParentCmp],
         template: `<parent-cmp/>`,
       })
@@ -677,14 +658,12 @@ describe('hot module replacement', () => {
       const token = new InjectionToken<DirA | DirB>('token');
 
       @Directive({
-        standalone: true,
         selector: '[dir-a]',
         providers: [{provide: token, useExisting: DirA}],
       })
       class DirA {}
 
       @Directive({
-        standalone: true,
         selector: '[dir-b]',
         providers: [{provide: token, useExisting: DirB}],
       })
@@ -692,7 +671,6 @@ describe('hot module replacement', () => {
 
       let instance!: ParentCmp;
       const initialMetadata: Component = {
-        standalone: true,
         selector: 'parent-cmp',
         imports: [DirA, DirB],
         template: `<div #ref dir-a></div>`,
@@ -708,7 +686,6 @@ describe('hot module replacement', () => {
       }
 
       @Component({
-        standalone: true,
         imports: [ParentCmp],
         template: `<parent-cmp/>`,
       })
@@ -735,7 +712,6 @@ describe('hot module replacement', () => {
       const token = new InjectionToken<Dir>('token');
 
       @Directive({
-        standalone: true,
         selector: '[dir]',
         providers: [{provide: token, useExisting: Dir}],
       })
@@ -743,7 +719,6 @@ describe('hot module replacement', () => {
 
       let instance!: ParentCmp;
       const initialMetadata: Component = {
-        standalone: true,
         selector: 'parent-cmp',
         imports: [Dir],
         template: `<div #ref dir></div>`,
@@ -759,7 +734,6 @@ describe('hot module replacement', () => {
       }
 
       @Component({
-        standalone: true,
         imports: [ParentCmp],
         template: `<parent-cmp/>`,
       })
@@ -782,7 +756,6 @@ describe('hot module replacement', () => {
   describe('content projection', () => {
     it('should work with content projection', () => {
       const initialMetadata: Component = {
-        standalone: true,
         selector: 'parent-cmp',
         template: `<ng-content/>`,
       };
@@ -791,7 +764,6 @@ describe('hot module replacement', () => {
       class ParentCmp {}
 
       @Component({
-        standalone: true,
         imports: [ParentCmp],
         template: `
           <parent-cmp>
@@ -848,7 +820,6 @@ describe('hot module replacement', () => {
     it('should handle elements moving around into different slots', () => {
       // Start off with a single catch-all slot.
       const initialMetadata: Component = {
-        standalone: true,
         selector: 'parent-cmp',
         template: `<ng-content/>`,
       };
@@ -857,7 +828,6 @@ describe('hot module replacement', () => {
       class ParentCmp {}
 
       @Component({
-        standalone: true,
         imports: [ParentCmp],
         template: `
           <parent-cmp>
@@ -934,7 +904,6 @@ describe('hot module replacement', () => {
 
     it('should handle default content for ng-content', () => {
       const initialMetadata: Component = {
-        standalone: true,
         selector: 'parent-cmp',
         template: `
           <ng-content select="will-not-match">
@@ -947,7 +916,6 @@ describe('hot module replacement', () => {
       class ParentCmp {}
 
       @Component({
-        standalone: true,
         imports: [ParentCmp],
         template: `
           <parent-cmp>
@@ -993,7 +961,6 @@ describe('hot module replacement', () => {
     it('should only invoke the init/destroy hooks inside the content when replacing the template', () => {
       @Component({
         template: '',
-        standalone: true,
         selector: 'child-cmp',
       })
       class ChildCmp implements OnInit, OnDestroy {
@@ -1009,7 +976,6 @@ describe('hot module replacement', () => {
       }
 
       const initialMetadata: Component = {
-        standalone: true,
         template: `
           <child-cmp text="A"/>
           <child-cmp text="B"/>
@@ -1039,7 +1005,6 @@ describe('hot module replacement', () => {
           <parent-cmp text="A"/>
           <parent-cmp text="B"/>
         `,
-        standalone: true,
         imports: [ParentCmp],
       })
       class RootCmp {}
@@ -1099,7 +1064,6 @@ describe('hot module replacement', () => {
     it('should invoke checked hooks both on the host and the content being replaced', () => {
       @Component({
         template: '',
-        standalone: true,
         selector: 'child-cmp',
       })
       class ChildCmp implements DoCheck {
@@ -1111,7 +1075,6 @@ describe('hot module replacement', () => {
       }
 
       const initialMetadata: Component = {
-        standalone: true,
         template: `<child-cmp text="A"/>`,
         imports: [ChildCmp],
         selector: 'parent-cmp',
@@ -1127,7 +1090,6 @@ describe('hot module replacement', () => {
 
       @Component({
         template: `<parent-cmp/>`,
-        standalone: true,
         imports: [ParentCmp],
       })
       class RootCmp {}
@@ -1187,7 +1149,6 @@ describe('hot module replacement', () => {
       const values: string[] = [];
       const initialMetadata: Component = {
         selector: 'child-cmp',
-        standalone: true,
         template: '',
       };
 
@@ -1204,7 +1165,6 @@ describe('hot module replacement', () => {
       }
 
       @Component({
-        standalone: true,
         imports: [ChildCmp],
         template: `<child-cmp [value]="value"/>`,
       })
@@ -1261,7 +1221,6 @@ describe('hot module replacement', () => {
       let count = 0;
       const initialMetadata: Component = {
         selector: 'child-cmp',
-        standalone: true,
         template: '<button (click)="clicked()"></button>',
       };
 
@@ -1275,7 +1234,6 @@ describe('hot module replacement', () => {
       }
 
       @Component({
-        standalone: true,
         imports: [ChildCmp],
         template: `<child-cmp (changed)="onChange()"/>`,
       })
@@ -1313,7 +1271,6 @@ describe('hot module replacement', () => {
       let count = 0;
       const initialMetadata: Component = {
         selector: 'child-cmp',
-        standalone: true,
         template: '<button (click)="clicked()"></button>',
       };
 
@@ -1327,7 +1284,6 @@ describe('hot module replacement', () => {
       }
 
       @Component({
-        standalone: true,
         imports: [ChildCmp],
         template: `<child-cmp (changed)="onChange()"/>`,
       })
@@ -1409,7 +1365,6 @@ describe('hot module replacement', () => {
       let destroyCount = 0;
       const initialMetadata: Component = {
         selector: 'child-cmp',
-        standalone: true,
         template: '',
       };
 
@@ -1424,7 +1379,7 @@ describe('hot module replacement', () => {
         }
       }
 
-      @Directive({selector: '[dir-a]', standalone: true})
+      @Directive({selector: '[dir-a]'})
       class DirA implements OnDestroy {
         constructor() {
           initLog.push('DirA init');
@@ -1435,7 +1390,7 @@ describe('hot module replacement', () => {
         }
       }
 
-      @Directive({selector: '[dir-b]', standalone: true})
+      @Directive({selector: '[dir-b]'})
       class DirB implements OnDestroy {
         constructor() {
           initLog.push('DirB init');
@@ -1447,7 +1402,6 @@ describe('hot module replacement', () => {
       }
 
       @Component({
-        standalone: true,
         imports: [ChildCmp, DirA, DirB],
         template: `<child-cmp dir-a dir-b/>`,
       })
@@ -1472,7 +1426,7 @@ describe('hot module replacement', () => {
       const initLog: string[] = [];
       let destroyCount = 0;
 
-      @Directive({selector: '[dir-a]', standalone: true})
+      @Directive({selector: '[dir-a]'})
       class DirA implements OnDestroy {
         constructor() {
           initLog.push('DirA init');
@@ -1483,7 +1437,7 @@ describe('hot module replacement', () => {
         }
       }
 
-      @Directive({selector: '[dir-b]', standalone: true})
+      @Directive({selector: '[dir-b]'})
       class DirB implements OnDestroy {
         constructor() {
           initLog.push('DirB init');
@@ -1496,7 +1450,6 @@ describe('hot module replacement', () => {
 
       const initialMetadata: Component = {
         selector: 'child-cmp',
-        standalone: true,
         template: '',
         hostDirectives: [DirA, DirB],
       };
@@ -1513,7 +1466,6 @@ describe('hot module replacement', () => {
       }
 
       @Component({
-        standalone: true,
         imports: [ChildCmp],
         template: '<child-cmp/>',
       })
@@ -1540,14 +1492,14 @@ describe('hot module replacement', () => {
       let instance!: ChildCmp;
       const injectedInstances: [unknown, ChildCmp][] = [];
 
-      @Directive({selector: '[dir-a]', standalone: true})
+      @Directive({selector: '[dir-a]'})
       class DirA {
         constructor() {
           injectedInstances.push([this, inject(ChildCmp)]);
         }
       }
 
-      @Directive({selector: '[dir-b]', standalone: true})
+      @Directive({selector: '[dir-b]'})
       class DirB {
         constructor() {
           injectedInstances.push([this, inject(ChildCmp)]);
@@ -1556,7 +1508,6 @@ describe('hot module replacement', () => {
 
       const initialMetadata: Component = {
         selector: 'child-cmp',
-        standalone: true,
         template: '<div dir-a></div>',
         imports: [DirA, DirB],
       };
@@ -1569,7 +1520,6 @@ describe('hot module replacement', () => {
       }
 
       @Component({
-        standalone: true,
         imports: [ChildCmp],
         template: '<child-cmp/>',
       })
@@ -1596,14 +1546,14 @@ describe('hot module replacement', () => {
       const token = new InjectionToken<string>('TEST_TOKEN');
       const injectedValues: [unknown, string][] = [];
 
-      @Directive({selector: '[dir-a]', standalone: true})
+      @Directive({selector: '[dir-a]'})
       class DirA {
         constructor() {
           injectedValues.push([this, inject(token)]);
         }
       }
 
-      @Directive({selector: '[dir-b]', standalone: true})
+      @Directive({selector: '[dir-b]'})
       class DirB {
         constructor() {
           injectedValues.push([this, inject(token)]);
@@ -1612,7 +1562,6 @@ describe('hot module replacement', () => {
 
       const initialMetadata: Component = {
         selector: 'child-cmp',
-        standalone: true,
         template: '<div dir-a></div>',
         imports: [DirA, DirB],
         providers: [{provide: token, useValue: 'provided value'}],
@@ -1622,7 +1571,6 @@ describe('hot module replacement', () => {
       class ChildCmp {}
 
       @Component({
-        standalone: true,
         imports: [ChildCmp],
         template: '<child-cmp/>',
       })
@@ -1648,14 +1596,14 @@ describe('hot module replacement', () => {
       const token = new InjectionToken<string>('TEST_TOKEN');
       const injectedValues: [unknown, string][] = [];
 
-      @Directive({selector: '[dir-a]', standalone: true})
+      @Directive({selector: '[dir-a]'})
       class DirA {
         constructor() {
           injectedValues.push([this, inject(token)]);
         }
       }
 
-      @Directive({selector: '[dir-b]', standalone: true})
+      @Directive({selector: '[dir-b]'})
       class DirB {
         constructor() {
           injectedValues.push([this, inject(token)]);
@@ -1664,7 +1612,6 @@ describe('hot module replacement', () => {
 
       const initialMetadata: Component = {
         selector: 'child-cmp',
-        standalone: true,
         template: '<div dir-a></div>',
         imports: [DirA, DirB],
         viewProviders: [{provide: token, useValue: 'provided value'}],
@@ -1674,7 +1621,6 @@ describe('hot module replacement', () => {
       class ChildCmp {}
 
       @Component({
-        standalone: true,
         imports: [ChildCmp],
         template: '<child-cmp/>',
       })
@@ -1701,7 +1647,6 @@ describe('hot module replacement', () => {
     it('should maintain attribute host bindings on a replaced component', () => {
       const initialMetadata: Component = {
         selector: 'child-cmp',
-        standalone: true,
         template: 'Hello',
         host: {
           '[attr.bar]': 'state',
@@ -1714,7 +1659,6 @@ describe('hot module replacement', () => {
       }
 
       @Component({
-        standalone: true,
         imports: [ChildCmp],
         template: `<child-cmp [state]="state" [attr.foo]="'The state is ' + state"/>`,
       })
@@ -1755,7 +1699,6 @@ describe('hot module replacement', () => {
     it('should maintain class host bindings on a replaced component', () => {
       const initialMetadata: Component = {
         selector: 'child-cmp',
-        standalone: true,
         template: 'Hello',
         host: {
           '[class.bar]': 'state',
@@ -1768,7 +1711,6 @@ describe('hot module replacement', () => {
       }
 
       @Component({
-        standalone: true,
         imports: [ChildCmp],
         template: `<child-cmp class="static" [state]="state" [class.foo]="state"/>`,
       })
@@ -1796,7 +1738,6 @@ describe('hot module replacement', () => {
     it('should maintain style host bindings on a replaced component', () => {
       const initialMetadata: Component = {
         selector: 'child-cmp',
-        standalone: true,
         template: 'Hello',
         host: {
           '[style.height]': 'state ? "5px" : "20px"',
@@ -1809,7 +1750,6 @@ describe('hot module replacement', () => {
       }
 
       @Component({
-        standalone: true,
         imports: [ChildCmp],
         template: `<child-cmp style="opacity: 0.5;" [state]="state" [style.width]="state ? '3px' : '12px'"/>`,
       })
@@ -1860,7 +1800,6 @@ describe('hot module replacement', () => {
 
       const initialMetadata: Component = {
         selector: 'child-cmp',
-        standalone: true,
         template: '<span i18n>hello</span>',
       };
 
@@ -1868,7 +1807,6 @@ describe('hot module replacement', () => {
       class ChildCmp {}
 
       @Component({
-        standalone: true,
         imports: [ChildCmp],
         template: '<child-cmp/>',
       })
@@ -1888,7 +1826,6 @@ describe('hot module replacement', () => {
 
       const initialMetadata: Component = {
         selector: 'child-cmp',
-        standalone: true,
         template: '<ng-content/>',
       };
 
@@ -1896,7 +1833,6 @@ describe('hot module replacement', () => {
       class ChildCmp {}
 
       @Component({
-        standalone: true,
         imports: [ChildCmp],
         template: `<child-cmp i18n>hello</child-cmp>`,
       })
@@ -1931,7 +1867,6 @@ describe('hot module replacement', () => {
       let instance!: ChildCmp;
       const initialMetadata: Component = {
         selector: 'child-cmp',
-        standalone: true,
         template: '<span i18n>Hello {{name}}!</span>',
       };
 
@@ -1945,7 +1880,6 @@ describe('hot module replacement', () => {
       }
 
       @Component({
-        standalone: true,
         imports: [ChildCmp],
         template: '<child-cmp/>',
       })
@@ -1984,7 +1918,6 @@ describe('hot module replacement', () => {
 
       const initialMetadata: Component = {
         selector: 'child-cmp',
-        standalone: true,
         template: '<ng-content/>',
       };
 
@@ -1992,7 +1925,6 @@ describe('hot module replacement', () => {
       class ChildCmp {}
 
       @Component({
-        standalone: true,
         imports: [ChildCmp],
         template: '<child-cmp i18n>Hello {{name}}!</child-cmp>',
       })
@@ -2037,7 +1969,6 @@ describe('hot module replacement', () => {
       let instance!: ChildCmp;
       const initialMetadata: Component = {
         selector: 'child-cmp',
-        standalone: true,
         template: '<span i18n>{count, select, 10 {ten} 20 {twenty} other {other}}</span>',
       };
 
@@ -2051,7 +1982,6 @@ describe('hot module replacement', () => {
       }
 
       @Component({
-        standalone: true,
         imports: [ChildCmp],
         template: '<child-cmp/>',
       })
@@ -2092,7 +2022,6 @@ describe('hot module replacement', () => {
 
       const initialMetadata: Component = {
         selector: 'child-cmp',
-        standalone: true,
         template: '<ng-content/>',
       };
 
@@ -2100,7 +2029,6 @@ describe('hot module replacement', () => {
       class ChildCmp {}
 
       @Component({
-        standalone: true,
         imports: [ChildCmp],
         template: '<child-cmp i18n>{count, select, 10 {ten} 20 {twenty} other {other}}</child-cmp>',
       })
diff --git a/packages/core/test/acceptance/host_directives_spec.ts b/packages/core/test/acceptance/host_directives_spec.ts
index b023d4c1fce..b46ca2d0151 100644
--- a/packages/core/test/acceptance/host_directives_spec.ts
+++ b/packages/core/test/acceptance/host_directives_spec.ts
@@ -38,7 +38,6 @@ describe('host directives', () => {
     const logs: string[] = [];
 
     @Directive({
-      standalone: true,
       host: {'host-dir-attr': '', 'class': 'host-dir', 'style': 'height: 50px'},
     })
     class HostDir {
@@ -101,14 +100,14 @@ describe('host directives', () => {
       }
     }
 
-    @Directive({standalone: true})
+    @Directive()
     class OtherHostDir {
       constructor() {
         logs.push('OtherHostDir');
       }
     }
 
-    @Directive({standalone: true})
+    @Directive()
     class HostDir {
       constructor() {
         logs.push('HostDir');
@@ -149,14 +148,14 @@ describe('host directives', () => {
       });
     }
 
-    @Directive({standalone: true, host: {'one': 'base'}})
+    @Directive({host: {'one': 'base'}})
     class OtherHostDir {
       constructor() {
         inject(Dir);
       }
     }
 
-    @Directive({standalone: true, host: {'two': 'base'}})
+    @Directive({host: {'two': 'base'}})
     class HostDir {
       constructor() {
         inject(Dir);
@@ -192,7 +191,6 @@ describe('host directives', () => {
         'id': 'leaf-id',
       },
       providers: [{provide: token, useValue: 'leaf value'}],
-      standalone: true,
     })
     class Chain1_3 {
       constructor(@Inject(token) tokenValue: string) {
@@ -202,7 +200,6 @@ describe('host directives', () => {
     }
 
     @Directive({
-      standalone: true,
       hostDirectives: [Chain1_3],
     })
     class Chain1_2 {
@@ -212,7 +209,6 @@ describe('host directives', () => {
     }
 
     @Directive({
-      standalone: true,
       hostDirectives: [Chain1_2],
     })
     class Chain1 {
@@ -222,7 +218,6 @@ describe('host directives', () => {
     }
 
     @Directive({
-      standalone: true,
       host: {
         'class': 'middle',
         'id': 'middle-id',
@@ -236,7 +231,6 @@ describe('host directives', () => {
     }
 
     @Directive({
-      standalone: true,
       hostDirectives: [Chain2_2],
     })
     class Chain2 {
@@ -245,14 +239,14 @@ describe('host directives', () => {
       }
     }
 
-    @Directive({standalone: true})
+    @Directive()
     class Chain3_2 {
       constructor() {
         logs.push('Chain3 - level 2');
       }
     }
 
-    @Directive({standalone: true, hostDirectives: [Chain3_2]})
+    @Directive({hostDirectives: [Chain3_2]})
     class Chain3 {
       constructor() {
         logs.push('Chain3 - level 1');
@@ -276,7 +270,7 @@ describe('host directives', () => {
       }
     }
 
-    @Directive({standalone: true})
+    @Directive()
     class SelectorMatchedHostDir {
       constructor() {
         logs.push('SelectorMatchedHostDir');
@@ -327,14 +321,14 @@ describe('host directives', () => {
     let firstHostDirInstance!: FirstHostDir;
     let secondHostDirInstance!: SecondHostDir;
 
-    @Directive({standalone: true})
+    @Directive()
     class SecondHostDir {
       constructor() {
         secondHostDirInstance = this;
       }
     }
 
-    @Directive({standalone: true, hostDirectives: [SecondHostDir]})
+    @Directive({hostDirectives: [SecondHostDir]})
     class FirstHostDir {
       constructor() {
         firstHostDirInstance = this;
@@ -374,12 +368,12 @@ describe('host directives', () => {
   });
 
   it('should be able to reference exported host directives', () => {
-    @Directive({standalone: true, exportAs: 'secondHost'})
+    @Directive({exportAs: 'secondHost'})
     class SecondHostDir {
       name = 'SecondHost';
     }
 
-    @Directive({standalone: true, hostDirectives: [SecondHostDir], exportAs: 'firstHost'})
+    @Directive({hostDirectives: [SecondHostDir], exportAs: 'firstHost'})
     class FirstHostDir {
       name = 'FirstHost';
     }
@@ -412,42 +406,42 @@ describe('host directives', () => {
   it('should execute inherited host directives in the correct order', () => {
     const logs: string[] = [];
 
-    @Directive({standalone: true})
+    @Directive()
     class HostGrandparent_1 {
       constructor() {
         logs.push('HostGrandparent_1');
       }
     }
 
-    @Directive({standalone: true})
+    @Directive()
     class HostGrandparent_2 {
       constructor() {
         logs.push('HostGrandparent_2');
       }
     }
 
-    @Directive({standalone: true, hostDirectives: [HostGrandparent_1, HostGrandparent_2]})
+    @Directive({hostDirectives: [HostGrandparent_1, HostGrandparent_2]})
     class Grandparent {
       constructor() {
         logs.push('Grandparent');
       }
     }
 
-    @Directive({standalone: true})
+    @Directive()
     class HostParent_1 {
       constructor() {
         logs.push('HostParent_1');
       }
     }
 
-    @Directive({standalone: true})
+    @Directive()
     class HostParent_2 {
       constructor() {
         logs.push('HostParent_2');
       }
     }
 
-    @Directive({standalone: true, hostDirectives: [HostParent_1, HostParent_2]})
+    @Directive({hostDirectives: [HostParent_1, HostParent_2]})
     class Parent extends Grandparent {
       constructor() {
         super();
@@ -455,14 +449,14 @@ describe('host directives', () => {
       }
     }
 
-    @Directive({standalone: true})
+    @Directive()
     class HostDir_1 {
       constructor() {
         logs.push('HostDir_1');
       }
     }
 
-    @Directive({standalone: true})
+    @Directive()
     class HostDir_2 {
       constructor() {
         logs.push('HostDir_2');
@@ -508,7 +502,7 @@ describe('host directives', () => {
     it('should invoke lifecycle hooks from the host directives', () => {
       const logs: string[] = [];
 
-      @Directive({standalone: true})
+      @Directive()
       class HostDir implements OnInit, AfterViewInit, AfterViewChecked {
         ngOnInit() {
           logs.push('HostDir - ngOnInit');
@@ -523,7 +517,7 @@ describe('host directives', () => {
         }
       }
 
-      @Directive({standalone: true})
+      @Directive()
       class OtherHostDir implements OnInit, AfterViewInit, AfterViewChecked {
         ngOnInit() {
           logs.push('OtherHostDir - ngOnInit');
@@ -587,7 +581,7 @@ describe('host directives', () => {
       const logs: string[] = [];
 
       // Utility so we don't have to repeat the logging code.
-      @Directive({standalone: true})
+      @Directive()
       abstract class LogsLifecycles implements OnInit, AfterViewInit {
         abstract name: string;
 
@@ -600,12 +594,12 @@ describe('host directives', () => {
         }
       }
 
-      @Directive({standalone: true})
+      @Directive()
       class ChildHostDir extends LogsLifecycles {
         override name = 'ChildHostDir';
       }
 
-      @Directive({standalone: true})
+      @Directive()
       class OtherChildHostDir extends LogsLifecycles {
         override name = 'OtherChildHostDir';
       }
@@ -619,12 +613,12 @@ describe('host directives', () => {
         override name = 'Child';
       }
 
-      @Directive({standalone: true})
+      @Directive()
       class ParentHostDir extends LogsLifecycles {
         override name = 'ParentHostDir';
       }
 
-      @Directive({standalone: true})
+      @Directive()
       class OtherParentHostDir extends LogsLifecycles {
         override name = 'OtherParentHostDir';
       }
@@ -681,7 +675,7 @@ describe('host directives', () => {
       let logs: string[] = [];
 
       // Utility so we don't have to repeat the logging code.
-      @Directive({standalone: true})
+      @Directive()
       abstract class LogsLifecycles implements OnChanges {
         @Input() someInput: any;
         abstract name: string;
@@ -691,12 +685,12 @@ describe('host directives', () => {
         }
       }
 
-      @Directive({standalone: true})
+      @Directive()
       class HostDir extends LogsLifecycles {
         override name = 'HostDir';
       }
 
-      @Directive({standalone: true})
+      @Directive()
       class OtherHostDir extends LogsLifecycles {
         override name = 'OtherHostDir';
       }
@@ -757,7 +751,7 @@ describe('host directives', () => {
     it('should apply the host bindings from all host directives', () => {
       const clicks: string[] = [];
 
-      @Directive({standalone: true, host: {'host-dir-attr': 'true', '(click)': 'handleClick()'}})
+      @Directive({host: {'host-dir-attr': 'true', '(click)': 'handleClick()'}})
       class HostDir {
         handleClick() {
           clicks.push('HostDir');
@@ -765,7 +759,6 @@ describe('host directives', () => {
       }
 
       @Directive({
-        standalone: true,
         host: {'other-host-dir-attr': 'true', '(click)': 'handleClick()'},
       })
       class OtherHostDir {
@@ -809,10 +802,10 @@ describe('host directives', () => {
     });
 
     it('should have the host bindings take precedence over the ones from the host directives', () => {
-      @Directive({standalone: true, host: {'id': 'host-dir'}})
+      @Directive({host: {'id': 'host-dir'}})
       class HostDir {}
 
-      @Directive({standalone: true, host: {'id': 'other-host-dir'}})
+      @Directive({host: {'id': 'other-host-dir'}})
       class OtherHostDir {}
 
       @Directive({
@@ -843,14 +836,14 @@ describe('host directives', () => {
       let firstHostDirInstance!: FirstHostDir;
       let secondHostDirInstance!: SecondHostDir;
 
-      @Directive({standalone: true})
+      @Directive()
       class SecondHostDir {
         constructor() {
           secondHostDirInstance = this;
         }
       }
 
-      @Directive({standalone: true, hostDirectives: [SecondHostDir]})
+      @Directive({hostDirectives: [SecondHostDir]})
       class FirstHostDir {
         constructor() {
           firstHostDirInstance = this;
@@ -901,7 +894,7 @@ describe('host directives', () => {
         hostDir = inject(HostDir);
       }
 
-      @Directive({standalone: true})
+      @Directive()
       class HostDir {
         constructor() {
           hostDirectiveInstance = this;
@@ -940,7 +933,7 @@ describe('host directives', () => {
       let firstHostDirInstance!: FirstHostDir;
       let secondHostDirInstance!: SecondHostDir;
 
-      @Directive({standalone: true})
+      @Directive()
       class SecondHostDir {
         host = inject(Host);
 
@@ -949,7 +942,7 @@ describe('host directives', () => {
         }
       }
 
-      @Directive({standalone: true, hostDirectives: [SecondHostDir]})
+      @Directive({hostDirectives: [SecondHostDir]})
       class FirstHostDir {
         host = inject(Host);
 
@@ -993,7 +986,7 @@ describe('host directives', () => {
       let firstHostDirInstance!: FirstHostDir;
       let secondHostDirInstance!: SecondHostDir;
 
-      @Directive({standalone: true, providers: [{provide: token, useValue: 'SecondDir'}]})
+      @Directive({providers: [{provide: token, useValue: 'SecondDir'}]})
       class SecondHostDir {
         tokenValue = inject(token);
 
@@ -1003,7 +996,6 @@ describe('host directives', () => {
       }
 
       @Directive({
-        standalone: true,
         hostDirectives: [SecondHostDir],
         providers: [{provide: token, useValue: 'FirstDir'}],
       })
@@ -1052,11 +1044,10 @@ describe('host directives', () => {
       const firstToken = new InjectionToken<string>('firstToken');
       const secondToken = new InjectionToken<string>('secondToken');
 
-      @Directive({standalone: true, providers: [{provide: secondToken, useValue: 'SecondDir'}]})
+      @Directive({providers: [{provide: secondToken, useValue: 'SecondDir'}]})
       class SecondHostDir {}
 
       @Directive({
-        standalone: true,
         hostDirectives: [SecondHostDir],
         providers: [{provide: firstToken, useValue: 'FirstDir'}],
       })
@@ -1092,7 +1083,7 @@ describe('host directives', () => {
       const token = new InjectionToken<string>('token');
       let tokenValue: string | undefined;
 
-      @Directive({standalone: true, providers: [{provide: token, useValue: 'host-dir'}]})
+      @Directive({providers: [{provide: token, useValue: 'host-dir'}]})
       class HostDir {}
 
       @Component({
@@ -1131,7 +1122,7 @@ describe('host directives', () => {
       const token = new InjectionToken<string>('token');
       let tokenValue: string | null = null;
 
-      @Directive({standalone: true})
+      @Directive()
       class HostDir {
         constructor() {
           tokenValue = inject(token, {optional: true});
@@ -1161,7 +1152,7 @@ describe('host directives', () => {
     });
 
     it('should throw a circular dependency error if a host and a host directive inject each other', () => {
-      @Directive({standalone: true})
+      @Directive()
       class HostDir {
         host = inject(Host);
       }
@@ -1190,7 +1181,7 @@ describe('host directives', () => {
     it('should inject a valid ChangeDetectorRef when attached to a component', () => {
       type InternalChangeDetectorRef = ChangeDetectorRef & {_lView: unknown};
 
-      @Directive({standalone: true})
+      @Directive()
       class HostDir {
         changeDetectorRef = inject(ChangeDetectorRef) as InternalChangeDetectorRef;
       }
@@ -1238,7 +1229,7 @@ describe('host directives', () => {
     it('should not emit to an output of a host directive that has not been exposed', () => {
       let hostDirectiveInstance: HostDir | undefined;
 
-      @Directive({standalone: true, host: {'(click)': 'hasBeenClicked.emit()'}})
+      @Directive({host: {'(click)': 'hasBeenClicked.emit()'}})
       class HostDir {
         @Output() hasBeenClicked = new EventEmitter<void>();
 
@@ -1274,7 +1265,7 @@ describe('host directives', () => {
     });
 
     it('should emit to an output of a host directive that has been exposed', () => {
-      @Directive({standalone: true, host: {'(click)': 'hasBeenClicked.emit("hello")'}})
+      @Directive({host: {'(click)': 'hasBeenClicked.emit("hello")'}})
       class HostDir {
         @Output() hasBeenClicked = new EventEmitter<string>();
       }
@@ -1310,7 +1301,7 @@ describe('host directives', () => {
     });
 
     it('should emit to an output of a host directive that has been exposed under an alias', () => {
-      @Directive({standalone: true, host: {'(click)': 'hasBeenClicked.emit("hello")'}})
+      @Directive({host: {'(click)': 'hasBeenClicked.emit("hello")'}})
       class HostDir {
         @Output() hasBeenClicked = new EventEmitter<string>();
       }
@@ -1344,7 +1335,7 @@ describe('host directives', () => {
     });
 
     it('should alias to the public name of the host directive output, not the private one', () => {
-      @Directive({standalone: true, host: {'(click)': 'hasBeenClicked.emit("hello")'}})
+      @Directive({host: {'(click)': 'hasBeenClicked.emit("hello")'}})
       class HostDir {
         @Output('wasClicked') hasBeenClicked = new EventEmitter<string>();
       }
@@ -1381,7 +1372,7 @@ describe('host directives', () => {
     });
 
     it('should emit to an output of a host that has the same name as a non-exposed output of a host directive', () => {
-      @Directive({standalone: true, host: {'(click)': 'hasBeenClicked.emit("HostDir")'}})
+      @Directive({host: {'(click)': 'hasBeenClicked.emit("HostDir")'}})
       class HostDir {
         @Output() hasBeenClicked = new EventEmitter<string>();
       }
@@ -1415,7 +1406,7 @@ describe('host directives', () => {
     });
 
     it('should emit to an output of a host that has the same name as an exposed output of a host directive', () => {
-      @Directive({standalone: true, host: {'(click)': 'hasBeenClicked.emit("HostDir")'}})
+      @Directive({host: {'(click)': 'hasBeenClicked.emit("HostDir")'}})
       class HostDir {
         @Output() hasBeenClicked = new EventEmitter<string>();
       }
@@ -1451,7 +1442,7 @@ describe('host directives', () => {
     });
 
     it('should emit to an output of a host that has the same name as the alias of a host directive output', () => {
-      @Directive({standalone: true, host: {'(click)': 'hasBeenClicked.emit("HostDir")'}})
+      @Directive({host: {'(click)': 'hasBeenClicked.emit("HostDir")'}})
       class HostDir {
         @Output() hasBeenClicked = new EventEmitter<string>();
       }
@@ -1487,7 +1478,7 @@ describe('host directives', () => {
     });
 
     it('should not expose the same output more than once', () => {
-      @Directive({standalone: true, host: {'(click)': 'hasBeenClicked.emit()'}})
+      @Directive({host: {'(click)': 'hasBeenClicked.emit()'}})
       class HostDir {
         @Output() hasBeenClicked = new EventEmitter<void>();
       }
@@ -1526,7 +1517,7 @@ describe('host directives', () => {
         @Output() hasBeenClicked = new EventEmitter<string>();
       }
 
-      @Directive({standalone: true})
+      @Directive()
       class HostDir extends ParentDir {}
 
       @Directive({
@@ -1555,12 +1546,12 @@ describe('host directives', () => {
     });
 
     it('should emit to an output that was exposed from one host directive, but not another', () => {
-      @Directive({standalone: true, host: {'(click)': 'hasBeenClicked.emit("ExposedHostDir")'}})
+      @Directive({host: {'(click)': 'hasBeenClicked.emit("ExposedHostDir")'}})
       class ExposedHostDir {
         @Output() hasBeenClicked = new EventEmitter<string>();
       }
 
-      @Directive({standalone: true, host: {'(click)': 'hasBeenClicked.emit("UnExposedHostDir")'}})
+      @Directive({host: {'(click)': 'hasBeenClicked.emit("UnExposedHostDir")'}})
       class UnExposedHostDir {
         @Output() hasBeenClicked = new EventEmitter<string>();
       }
@@ -1596,7 +1587,6 @@ describe('host directives', () => {
 
     it('should emit to outputs from different host directives that have been aliased to the same name', () => {
       @Directive({
-        standalone: true,
         host: {'(click)': 'firstHasBeenClicked.emit("FirstHostDir")'},
       })
       class FirstHostDir {
@@ -1604,7 +1594,6 @@ describe('host directives', () => {
       }
 
       @Directive({
-        standalone: true,
         host: {'(click)': 'secondHasBeenClicked.emit("SecondHostDir")'},
       })
       class SecondHostDir {
@@ -1642,7 +1631,7 @@ describe('host directives', () => {
     });
 
     it('should emit to an output of an inherited host directive that has been exposed', () => {
-      @Directive({standalone: true, host: {'(click)': 'hasBeenClicked.emit("hello")'}})
+      @Directive({host: {'(click)': 'hasBeenClicked.emit("hello")'}})
       class HostDir {
         @Output() hasBeenClicked = new EventEmitter<string>();
       }
@@ -1685,7 +1674,7 @@ describe('host directives', () => {
 
   describe('inputs', () => {
     it('should not set an input of a host directive that has not been exposed', () => {
-      @Directive({standalone: true})
+      @Directive()
       class HostDir {
         @Input() color?: string;
       }
@@ -1714,7 +1703,7 @@ describe('host directives', () => {
     });
 
     it('should set the input of a host directive that has been exposed', () => {
-      @Directive({standalone: true})
+      @Directive()
       class HostDir {
         @Input() color?: string;
       }
@@ -1746,7 +1735,7 @@ describe('host directives', () => {
     });
 
     it('should set an input of a host directive that has been exposed under an alias', () => {
-      @Directive({standalone: true})
+      @Directive()
       class HostDir {
         @Input() color?: string;
       }
@@ -1778,7 +1767,7 @@ describe('host directives', () => {
     });
 
     it('should alias to the public name of the host directive input, not the private one', () => {
-      @Directive({standalone: true})
+      @Directive()
       class HostDir {
         @Input('colorAlias') color?: string;
       }
@@ -1810,7 +1799,7 @@ describe('host directives', () => {
     });
 
     it('should set an input of a host that has the same name as a non-exposed input of a host directive', () => {
-      @Directive({standalone: true})
+      @Directive()
       class HostDir {
         @Input() color?: string;
       }
@@ -1850,7 +1839,7 @@ describe('host directives', () => {
     });
 
     it('should set an input of a host that has the same name as an exposed input of a host directive', () => {
-      @Directive({standalone: true})
+      @Directive()
       class HostDir {
         @Input() color?: string;
       }
@@ -1890,7 +1879,7 @@ describe('host directives', () => {
     });
 
     it('should set an input of a host that has the same name as the alias of a host directive input', () => {
-      @Directive({standalone: true})
+      @Directive()
       class HostDir {
         @Input() color?: string;
       }
@@ -1935,7 +1924,7 @@ describe('host directives', () => {
         @Input() color?: string;
       }
 
-      @Directive({standalone: true})
+      @Directive()
       class HostDir extends ParentDir {}
 
       @Directive({
@@ -1967,12 +1956,12 @@ describe('host directives', () => {
     });
 
     it('should set an input that was exposed from one host directive, but not another', () => {
-      @Directive({standalone: true})
+      @Directive()
       class ExposedHostDir {
         @Input() color?: string;
       }
 
-      @Directive({standalone: true})
+      @Directive()
       class UnExposedHostDir {
         @Input() color?: string;
       }
@@ -2010,12 +1999,12 @@ describe('host directives', () => {
     });
 
     it('should set inputs from different host directives that have been aliased to the same name', () => {
-      @Directive({standalone: true})
+      @Directive()
       class FirstHostDir {
         @Input() firstColor?: string;
       }
 
-      @Directive({standalone: true})
+      @Directive()
       class SecondHostDir {
         @Input() secondColor?: string;
       }
@@ -2056,7 +2045,7 @@ describe('host directives', () => {
     });
 
     it('should not set a static input of a host directive that has not been exposed', () => {
-      @Directive({standalone: true})
+      @Directive()
       class HostDir {
         @Input() color?: string;
       }
@@ -2084,7 +2073,7 @@ describe('host directives', () => {
     });
 
     it('should set a static input of a host directive that has been exposed', () => {
-      @Directive({standalone: true})
+      @Directive()
       class HostDir {
         @Input() color?: string;
       }
@@ -2111,7 +2100,7 @@ describe('host directives', () => {
     });
 
     it('should set a static input of a host directive that has been exposed under an alias', () => {
-      @Directive({standalone: true})
+      @Directive()
       class HostDir {
         @Input() color?: string;
       }
@@ -2138,7 +2127,7 @@ describe('host directives', () => {
     });
 
     it('should alias to the public name of a static host directive input, not the private one', () => {
-      @Directive({standalone: true})
+      @Directive()
       class HostDir {
         @Input('colorAlias') color?: string;
       }
@@ -2165,12 +2154,12 @@ describe('host directives', () => {
     });
 
     it('should set a static input that was exposed from one host directive, but not another', () => {
-      @Directive({standalone: true})
+      @Directive()
       class ExposedHostDir {
         @Input() color?: string;
       }
 
-      @Directive({standalone: true})
+      @Directive()
       class UnExposedHostDir {
         @Input() color?: string;
       }
@@ -2200,12 +2189,12 @@ describe('host directives', () => {
     });
 
     it('should set static inputs from different host directives that have been aliased to the same name', () => {
-      @Directive({standalone: true})
+      @Directive()
       class FirstHostDir {
         @Input() firstColor?: string;
       }
 
-      @Directive({standalone: true})
+      @Directive()
       class SecondHostDir {
         @Input() secondColor?: string;
       }
@@ -2241,7 +2230,7 @@ describe('host directives', () => {
     it('should not expose an input under its host directive alias if a host directive is not applied', () => {
       const logs: string[] = [];
 
-      @Directive({selector: '[host-dir]', standalone: true})
+      @Directive({selector: '[host-dir]'})
       class HostDir implements OnChanges {
         @Input('colorAlias') color?: string;
 
@@ -2252,13 +2241,11 @@ describe('host directives', () => {
 
       @Directive({
         selector: '[dir]',
-        standalone: true,
         hostDirectives: [{directive: HostDir, inputs: ['colorAlias: buttonColor']}],
       })
       class Dir {}
 
       @Component({
-        standalone: true,
         imports: [Dir, HostDir],
         // Note that `[dir]` doesn't match on the `button` on purpose.
         // The wrong behavior would be if the `buttonColor` binding worked on `host-dir`.
@@ -2284,7 +2271,7 @@ describe('host directives', () => {
     });
 
     it('should set the input of an inherited host directive that has been exposed', () => {
-      @Directive({standalone: true})
+      @Directive()
       class HostDir {
         @Input() color?: string;
       }
@@ -2326,7 +2313,7 @@ describe('host directives', () => {
       let firstDirChangeEvent: SimpleChanges | undefined;
       let secondDirChangeEvent: SimpleChanges | undefined;
 
-      @Directive({standalone: true})
+      @Directive()
       class FirstHostDir implements OnChanges {
         @Input() color?: string;
 
@@ -2335,7 +2322,7 @@ describe('host directives', () => {
         }
       }
 
-      @Directive({standalone: true})
+      @Directive()
       class SecondHostDir implements OnChanges {
         @Input() color?: string;
 
@@ -2413,7 +2400,7 @@ describe('host directives', () => {
       let firstDirChangeEvent: SimpleChanges | undefined;
       let secondDirChangeEvent: SimpleChanges | undefined;
 
-      @Directive({standalone: true})
+      @Directive()
       class FirstHostDir implements OnChanges {
         @Input('firstAlias') color?: string;
 
@@ -2422,7 +2409,7 @@ describe('host directives', () => {
         }
       }
 
-      @Directive({standalone: true})
+      @Directive()
       class SecondHostDir implements OnChanges {
         @Input('secondAlias') color?: string;
 
@@ -2500,7 +2487,7 @@ describe('host directives', () => {
       let firstDirChangeEvent: SimpleChanges | undefined;
       let secondDirChangeEvent: SimpleChanges | undefined;
 
-      @Directive({standalone: true})
+      @Directive()
       class FirstHostDir implements OnChanges {
         @Input() color?: string;
 
@@ -2509,7 +2496,7 @@ describe('host directives', () => {
         }
       }
 
-      @Directive({standalone: true})
+      @Directive()
       class SecondHostDir implements OnChanges {
         @Input() color?: string;
 
@@ -2566,7 +2553,7 @@ describe('host directives', () => {
     it('should invoke ngOnChanges when a static aliased host directive input is set', () => {
       let latestChangeEvent: SimpleChanges | undefined;
 
-      @Directive({standalone: true})
+      @Directive()
       class HostDir implements OnChanges {
         @Input('colorAlias') color?: string;
 
@@ -2610,14 +2597,14 @@ describe('host directives', () => {
       let otherHostDirInstance!: OtherHostDir;
       let plainDirInstance!: PlainDir;
 
-      @Directive({standalone: true})
+      @Directive()
       class HostDir {
         constructor() {
           hostDirInstance = this;
         }
       }
 
-      @Directive({standalone: true})
+      @Directive()
       class OtherHostDir {
         constructor() {
           otherHostDirInstance = this;
@@ -2666,7 +2653,7 @@ describe('host directives', () => {
     it('should be able to retrieve components that have host directives using ng.getComponent', () => {
       let compInstance!: Comp;
 
-      @Directive({standalone: true})
+      @Directive()
       class HostDir {}
 
       @Component({
@@ -2699,7 +2686,7 @@ describe('host directives', () => {
     it('should be able to retrieve components that have host directives using DebugNode.componentInstance', () => {
       let compInstance!: Comp;
 
-      @Directive({standalone: true})
+      @Directive()
       class HostDir {}
 
       @Component({
@@ -2730,7 +2717,7 @@ describe('host directives', () => {
     });
 
     it('should be able to query by a host directive', () => {
-      @Directive({standalone: true})
+      @Directive()
       class HostDir {}
 
       @Component({
@@ -2787,7 +2774,6 @@ describe('host directives', () => {
       const logs: string[] = [];
 
       @Directive({
-        standalone: true,
         host: {'host-dir-attr': '', 'class': 'host-dir', 'style': 'height: 50px'},
       })
       class HostDir {
@@ -2821,7 +2807,7 @@ describe('host directives', () => {
     it('should invoke lifecycle hooks on host directives applied to a root component', () => {
       const logs: string[] = [];
 
-      @Directive({standalone: true})
+      @Directive()
       class HostDir implements OnInit, AfterViewInit, AfterViewChecked {
         ngOnInit() {
           logs.push('HostDir - ngOnInit');
@@ -2836,7 +2822,7 @@ describe('host directives', () => {
         }
       }
 
-      @Directive({standalone: true})
+      @Directive()
       class OtherHostDir implements OnInit, AfterViewInit, AfterViewChecked {
         ngOnInit() {
           logs.push('OtherHostDir - ngOnInit');
@@ -2889,7 +2875,6 @@ describe('host directives', () => {
     describe('host bindings', () => {
       it('should support host attribute bindings coming from the host directives', () => {
         @Directive({
-          standalone: true,
           host: {
             '[attr.host-dir-only]': 'value',
             '[attr.shadowed-attr]': 'value',
@@ -2900,7 +2885,6 @@ describe('host directives', () => {
         }
 
         @Directive({
-          standalone: true,
           host: {
             '[attr.other-host-dir-only]': 'value',
             '[attr.shadowed-attr]': 'value',
@@ -2946,14 +2930,14 @@ describe('host directives', () => {
       it('should support host event bindings coming from the host directives', () => {
         const logs: string[] = [];
 
-        @Directive({standalone: true, host: {'(click)': 'handleClick()'}})
+        @Directive({host: {'(click)': 'handleClick()'}})
         class HostDir {
           handleClick() {
             logs.push('HostDir');
           }
         }
 
-        @Directive({standalone: true, host: {'(click)': 'handleClick()'}})
+        @Directive({host: {'(click)': 'handleClick()'}})
         class OtherHostDir {
           handleClick() {
             logs.push('OtherHostDir');
@@ -2981,10 +2965,10 @@ describe('host directives', () => {
       });
 
       it('should have the host bindings of the root component take precedence over the ones from the host directives', () => {
-        @Directive({standalone: true, host: {'id': 'host-dir'}})
+        @Directive({host: {'id': 'host-dir'}})
         class HostDir {}
 
-        @Directive({standalone: true, host: {'id': 'other-host-dir'}})
+        @Directive({host: {'id': 'other-host-dir'}})
         class OtherHostDir {}
 
         @Component({
@@ -3005,7 +2989,7 @@ describe('host directives', () => {
       it('should allow the host directive to inject the root component', () => {
         let hostDirInstance!: HostDir;
 
-        @Directive({standalone: true})
+        @Directive()
         class HostDir {
           host = inject(HostComp);
 
@@ -3030,7 +3014,7 @@ describe('host directives', () => {
       it('should allow the root component to inject the host directive', () => {
         let hostDirInstance!: HostDir;
 
-        @Directive({standalone: true})
+        @Directive()
         class HostDir {
           constructor() {
             hostDirInstance = this;
@@ -3057,7 +3041,7 @@ describe('host directives', () => {
         let firstHostDirInstance!: FirstHostDir;
         let secondHostDirInstance!: SecondHostDir;
 
-        @Directive({standalone: true, providers: [{provide: token, useValue: 'SecondDir'}]})
+        @Directive({providers: [{provide: token, useValue: 'SecondDir'}]})
         class SecondHostDir {
           tokenValue = inject(token);
 
@@ -3067,7 +3051,6 @@ describe('host directives', () => {
         }
 
         @Directive({
-          standalone: true,
           hostDirectives: [SecondHostDir],
           providers: [{provide: token, useValue: 'FirstDir'}],
         })
@@ -3108,11 +3091,10 @@ describe('host directives', () => {
         const firstToken = new InjectionToken<string>('firstToken');
         const secondToken = new InjectionToken<string>('secondToken');
 
-        @Directive({standalone: true, providers: [{provide: secondToken, useValue: 'SecondDir'}]})
+        @Directive({providers: [{provide: secondToken, useValue: 'SecondDir'}]})
         class SecondHostDir {}
 
         @Directive({
-          standalone: true,
           hostDirectives: [SecondHostDir],
           providers: [{provide: firstToken, useValue: 'FirstDir'}],
         })
@@ -3139,7 +3121,7 @@ describe('host directives', () => {
         let hostDirInstance!: HostDir;
         let otherHostDirInstance!: OtherHostDir;
 
-        @Directive({standalone: true})
+        @Directive()
         class HostDir {
           @Input() color?: string;
 
@@ -3148,7 +3130,7 @@ describe('host directives', () => {
           }
         }
 
-        @Directive({standalone: true})
+        @Directive()
         class OtherHostDir {
           @Input() color?: string;
 
@@ -3192,7 +3174,7 @@ describe('host directives', () => {
       it('should set inputs that only exist on a host directive when using `setInput`', () => {
         let hostDirInstance!: HostDir;
 
-        @Directive({standalone: true})
+        @Directive()
         class HostDir {
           @Input() color?: string;
 
@@ -3229,7 +3211,7 @@ describe('host directives', () => {
       it('should set inputs that only exist on the root component when using `setInput`', () => {
         let hostDirInstance!: HostDir;
 
-        @Directive({standalone: true})
+        @Directive()
         class HostDir {
           @Input() color?: string;
 
@@ -3262,7 +3244,7 @@ describe('host directives', () => {
       it('should use the input name alias in `setInput`', () => {
         let hostDirInstance!: HostDir;
 
-        @Directive({standalone: true})
+        @Directive()
         class HostDir {
           @Input('alias') color?: string;
 
@@ -3305,7 +3287,7 @@ describe('host directives', () => {
       it('should invoke ngOnChanges when setting host directive inputs using setInput', () => {
         let latestChanges: SimpleChanges | undefined;
 
-        @Directive({standalone: true})
+        @Directive()
         class HostDir implements OnChanges {
           @Input('alias') color?: string;
 
@@ -3354,13 +3336,13 @@ describe('host directives', () => {
     });
 
     it('should throw an error if a host directive is applied multiple times to a root component', () => {
-      @Directive({standalone: true})
+      @Directive()
       class DuplicateHostDir {}
 
-      @Directive({standalone: true, hostDirectives: [DuplicateHostDir]})
+      @Directive({hostDirectives: [DuplicateHostDir]})
       class HostDir {}
 
-      @Directive({standalone: true, hostDirectives: [HostDir, DuplicateHostDir]})
+      @Directive({hostDirectives: [HostDir, DuplicateHostDir]})
       class Dir {}
 
       @Component({
@@ -3425,17 +3407,16 @@ describe('host directives', () => {
     });
 
     it('should throw an error if a host directive matches multiple times in a template', () => {
-      @Directive({standalone: true, selector: '[dir]'})
+      @Directive({selector: '[dir]'})
       class HostDir {}
 
       @Directive({
         selector: '[dir]',
         hostDirectives: [HostDir],
-        standalone: true,
       })
       class Dir {}
 
-      @Component({template: '<div dir></div>', standalone: true, imports: [HostDir, Dir]})
+      @Component({template: '<div dir></div>', imports: [HostDir, Dir]})
       class App {}
 
       expect(() => TestBed.createComponent(App)).toThrowError(
@@ -3444,20 +3425,18 @@ describe('host directives', () => {
     });
 
     it('should throw an error if a host directive matches multiple times on a component', () => {
-      @Directive({standalone: true, selector: '[dir]'})
+      @Directive({selector: '[dir]'})
       class HostDir {}
 
       @Component({
         selector: 'comp',
         hostDirectives: [HostDir],
-        standalone: true,
         template: '',
       })
       class Comp {}
 
       const baseAppMetadata = {
         template: '<comp dir></comp>',
-        standalone: true,
       };
 
       const expectedError =
@@ -3485,10 +3464,10 @@ describe('host directives', () => {
     });
 
     it('should throw an error if a host directive appears multiple times in a chain', () => {
-      @Directive({standalone: true})
+      @Directive()
       class DuplicateHostDir {}
 
-      @Directive({standalone: true, hostDirectives: [DuplicateHostDir]})
+      @Directive({hostDirectives: [DuplicateHostDir]})
       class HostDir {}
 
       @Directive({
@@ -3512,7 +3491,7 @@ describe('host directives', () => {
     });
 
     it('should throw an error if a host directive is a component', () => {
-      @Component({standalone: true, template: '', selector: 'host-comp'})
+      @Component({template: '', selector: 'host-comp'})
       class HostComp {}
 
       @Directive({
@@ -3536,7 +3515,7 @@ describe('host directives', () => {
     });
 
     it('should throw an error if a host directive output does not exist', () => {
-      @Directive({standalone: true})
+      @Directive()
       class HostDir {
         @Output() foo = new EventEmitter();
       }
@@ -3567,7 +3546,7 @@ describe('host directives', () => {
     });
 
     it('should throw an error if a host directive output alias does not exist', () => {
-      @Directive({standalone: true})
+      @Directive()
       class HostDir {
         @Output('alias') foo = new EventEmitter();
       }
@@ -3598,7 +3577,7 @@ describe('host directives', () => {
     });
 
     it('should throw an error if a host directive input does not exist', () => {
-      @Directive({standalone: true})
+      @Directive()
       class HostDir {
         @Input() foo: any;
       }
@@ -3629,7 +3608,7 @@ describe('host directives', () => {
     });
 
     it('should throw an error if a host directive input alias does not exist', () => {
-      @Directive({standalone: true})
+      @Directive()
       class HostDir {
         @Input('alias') foo: any;
       }
@@ -3655,7 +3634,7 @@ describe('host directives', () => {
     });
 
     it('should throw an error if a host directive tries to alias to an existing input', () => {
-      @Directive({selector: '[host-dir]', standalone: true})
+      @Directive({selector: '[host-dir]'})
       class HostDir {
         @Input('colorAlias') color?: string;
         @Input() buttonColor?: string;
@@ -3687,7 +3666,7 @@ describe('host directives', () => {
     });
 
     it('should throw an error if a host directive tries to alias to an existing input alias', () => {
-      @Directive({selector: '[host-dir]', standalone: true})
+      @Directive({selector: '[host-dir]'})
       class HostDir {
         @Input('colorAlias') color?: string;
         @Input('buttonColorAlias') buttonColor?: string;
@@ -3719,7 +3698,7 @@ describe('host directives', () => {
     });
 
     it('should not throw if a host directive input aliases to the same name', () => {
-      @Directive({selector: '[host-dir]', standalone: true})
+      @Directive({selector: '[host-dir]'})
       class HostDir {
         @Input('color') color?: string;
       }
@@ -3747,7 +3726,7 @@ describe('host directives', () => {
     });
 
     it('should throw an error if a host directive tries to alias to an existing output alias', () => {
-      @Directive({selector: '[host-dir]', standalone: true})
+      @Directive({selector: '[host-dir]'})
       class HostDir {
         @Output('clickedAlias') clicked = new EventEmitter();
         @Output('tappedAlias') tapped = new EventEmitter();
@@ -3781,7 +3760,7 @@ describe('host directives', () => {
     });
 
     it('should not throw if a host directive output aliases to the same name', () => {
-      @Directive({selector: '[host-dir]', standalone: true})
+      @Directive({selector: '[host-dir]'})
       class HostDir {
         @Output('clicked') clicked = new EventEmitter();
       }
@@ -3814,20 +3793,18 @@ describe('host directives', () => {
       @Directive({
         outputs: ['opened: triggerOpened'],
         selector: '[trigger]',
-        standalone: true,
       })
       class Trigger {
         opened = new EventEmitter();
       }
 
       @Directive({
-        standalone: true,
         selector: '[host]',
         hostDirectives: [{directive: Trigger, outputs: ['triggerOpened']}],
       })
       class Host {}
 
-      @Component({template: '<div host></div>', standalone: true, imports: [Host]})
+      @Component({template: '<div host></div>', imports: [Host]})
       class App {}
 
       expect(() => {
@@ -3837,7 +3814,7 @@ describe('host directives', () => {
     });
 
     it('should not throw when exposing an inherited aliased binding', () => {
-      @Directive({standalone: true})
+      @Directive()
       abstract class Base {
         opened = new EventEmitter();
       }
@@ -3845,18 +3822,16 @@ describe('host directives', () => {
       @Directive({
         outputs: ['opened: triggerOpened'],
         selector: '[trigger]',
-        standalone: true,
       })
       class Trigger extends Base {}
 
       @Directive({
-        standalone: true,
         selector: '[host]',
         hostDirectives: [{directive: Trigger, outputs: ['triggerOpened: hostOpened']}],
       })
       class Host {}
 
-      @Component({template: '<div host></div>', standalone: true, imports: [Host]})
+      @Component({template: '<div host></div>', imports: [Host]})
       class App {}
 
       expect(() => {
@@ -3866,13 +3841,13 @@ describe('host directives', () => {
     });
 
     it('should throw an error if a duplicate directive is inherited', () => {
-      @Directive({standalone: true})
+      @Directive()
       class HostDir {}
 
-      @Directive({standalone: true, hostDirectives: [HostDir]})
+      @Directive({hostDirectives: [HostDir]})
       class Grandparent {}
 
-      @Directive({standalone: true})
+      @Directive()
       class Parent extends Grandparent {}
 
       @Directive({
diff --git a/packages/core/test/acceptance/i18n_spec.ts b/packages/core/test/acceptance/i18n_spec.ts
index a6735d1decb..f72f40f4b2d 100644
--- a/packages/core/test/acceptance/i18n_spec.ts
+++ b/packages/core/test/acceptance/i18n_spec.ts
@@ -563,7 +563,6 @@ describe('runtime i18n', () => {
 
     @Component({
       selector: 'defer-comp',
-      standalone: true,
       template:
         '<div i18n>Content: @defer (when isLoaded) {before<span>middle</span>after} ' +
         '@placeholder {before<div>placeholder</div>after}!</div>',
diff --git a/packages/core/test/acceptance/inherit_definition_feature_spec.ts b/packages/core/test/acceptance/inherit_definition_feature_spec.ts
index e882cac8143..77e027f8fcc 100644
--- a/packages/core/test/acceptance/inherit_definition_feature_spec.ts
+++ b/packages/core/test/acceptance/inherit_definition_feature_spec.ts
@@ -794,14 +794,12 @@ describe('inheritance', () => {
         }
 
         @Directive({
-          standalone: true,
           selector: 'dir',
           inputs: ['someInput'],
         })
         class ActualDir extends Base {}
 
         @Component({
-          standalone: true,
           imports: [ActualDir],
           template: `<dir someInput="newValue">`,
         })
@@ -825,13 +823,11 @@ describe('inheritance', () => {
         }
 
         @Directive({
-          standalone: true,
           selector: 'dir',
         })
         class ActualDir extends Base {}
 
         @Component({
-          standalone: true,
           imports: [ActualDir],
           template: `<dir publicName="newValue">`,
         })
diff --git a/packages/core/test/acceptance/injector_profiler_spec.ts b/packages/core/test/acceptance/injector_profiler_spec.ts
index f8777d92969..40371929bc0 100644
--- a/packages/core/test/acceptance/injector_profiler_spec.ts
+++ b/packages/core/test/acceptance/injector_profiler_spec.ts
@@ -385,7 +385,6 @@ describe('getInjectorMetadata', () => {
     @Component({
       selector: 'lazy-comp',
       template: `lazy component`,
-      standalone: true,
       imports: [ModuleB],
     })
     class LazyComponent {
@@ -398,7 +397,6 @@ describe('getInjectorMetadata', () => {
     }
 
     @Component({
-      standalone: true,
       imports: [RouterOutlet, ModuleA],
       template: `<router-outlet/>`,
     })
@@ -667,7 +665,6 @@ describe('getInjectorProviders', () => {
       selector: 'my-comp-c',
       template: 'hello world',
       imports: [ModuleE, ModuleC],
-      standalone: true,
     })
     class MyStandaloneComponentC {}
 
@@ -675,7 +672,6 @@ describe('getInjectorProviders', () => {
       selector: 'my-comp-b',
       template: 'hello world',
       imports: [ModuleD, ModuleF],
-      standalone: true,
     })
     class MyStandaloneComponentB {}
 
@@ -686,7 +682,6 @@ describe('getInjectorProviders', () => {
          <my-comp-c/>
         `,
       imports: [ModuleD, MyStandaloneComponentB, MyStandaloneComponentC],
-      standalone: true,
     })
     class MyStandaloneComponent {}
 
@@ -743,7 +738,6 @@ describe('getInjectorProviders', () => {
       selector: 'my-comp-b',
       template: 'hello world',
       imports: [ModuleA],
-      standalone: true,
     })
     class MyStandaloneComponentB {
       injector = inject(Injector);
@@ -753,7 +747,6 @@ describe('getInjectorProviders', () => {
       selector: 'my-comp',
       template: `<router-outlet/>`,
       imports: [MyStandaloneComponentB, RouterOutlet],
-      standalone: true,
     })
     class MyStandaloneComponent {
       injector = inject(Injector);
@@ -809,7 +802,7 @@ describe('getInjectorProviders', () => {
   it('should be able to determine providers in a lazy route that has providers', fakeAsync(() => {
     class MyService {}
 
-    @Component({selector: 'my-comp-b', template: 'hello world', standalone: true})
+    @Component({selector: 'my-comp-b', template: 'hello world'})
     class MyStandaloneComponentB {
       injector = inject(Injector);
     }
@@ -818,7 +811,6 @@ describe('getInjectorProviders', () => {
       selector: 'my-comp',
       template: `<router-outlet/>`,
       imports: [MyStandaloneComponentB, RouterOutlet],
-      standalone: true,
     })
     class MyStandaloneComponent {
       injector = inject(Injector);
@@ -871,7 +863,7 @@ describe('getInjectorProviders', () => {
   it('should be able to get injector providers for element injectors created by components rendering in an ngFor', () => {
     class MyService {}
 
-    @Component({selector: 'item-cmp', template: 'item', standalone: true, providers: [MyService]})
+    @Component({selector: 'item-cmp', template: 'item', providers: [MyService]})
     class ItemComponent {
       injector = inject(Injector);
     }
@@ -882,7 +874,6 @@ describe('getInjectorProviders', () => {
         <item-cmp *ngFor="let item of items"></item-cmp>
        `,
       imports: [ItemComponent, NgForOf],
-      standalone: true,
     })
     class MyStandaloneComponent {
       injector = inject(Injector);
@@ -911,7 +902,7 @@ describe('getInjectorProviders', () => {
   it('should be able to get injector providers for element injectors created by components rendering in a @for', () => {
     class MyService {}
 
-    @Component({selector: 'item-cmp', template: 'item', standalone: true, providers: [MyService]})
+    @Component({selector: 'item-cmp', template: 'item', providers: [MyService]})
     class ItemComponent {
       injector = inject(Injector);
     }
@@ -924,7 +915,6 @@ describe('getInjectorProviders', () => {
         }
        `,
       imports: [ItemComponent],
-      standalone: true,
     })
     class MyStandaloneComponent {
       injector = inject(Injector);
@@ -978,7 +968,6 @@ describe('getDependenciesFromInjectable', () => {
 
     @Directive({
       selector: '[my-directive]',
-      standalone: true,
     })
     class MyStandaloneDirective {
       serviceFromHost = inject(MyServiceH, {host: true, optional: true});
@@ -993,7 +982,6 @@ describe('getDependenciesFromInjectable', () => {
       selector: 'my-comp-c',
       template: 'hello world',
       imports: [],
-      standalone: true,
     })
     class MyStandaloneComponentC {}
 
@@ -1001,7 +989,6 @@ describe('getDependenciesFromInjectable', () => {
       selector: 'my-comp-b',
       template: '<my-comp-c my-directive/>',
       imports: [MyStandaloneComponentC, MyStandaloneDirective],
-      standalone: true,
     })
     class MyStandaloneComponentB {
       myService = inject(MyService, {optional: true});
@@ -1019,7 +1006,6 @@ describe('getDependenciesFromInjectable', () => {
       template: `<router-outlet/>`,
       imports: [RouterOutlet, ModuleA],
       providers: [MyServiceG, {provide: MyServiceH, useValue: 'MyStandaloneComponent'}],
-      standalone: true,
     })
     class MyStandaloneComponent {
       injector = inject(Injector);
@@ -1182,7 +1168,7 @@ describe('getDependenciesFromInjectable', () => {
     @NgModule({imports: [ModuleB, ModuleC]})
     class ModuleD {}
 
-    @Component({selector: 'my-comp', template: 'hello world', imports: [ModuleD], standalone: true})
+    @Component({selector: 'my-comp', template: 'hello world', imports: [ModuleD]})
     class MyStandaloneComponent {
       myService = inject(MyService);
     }
@@ -1262,7 +1248,6 @@ describe('getInjectorResolutionPath', () => {
     @Component({
       selector: 'lazy-comp',
       template: `lazy component`,
-      standalone: true,
       imports: [ModuleB],
     })
     class LazyComponent {
@@ -1272,7 +1257,6 @@ describe('getInjectorResolutionPath', () => {
     }
 
     @Component({
-      standalone: true,
       imports: [RouterOutlet, ModuleA],
       template: `<router-outlet/>`,
     })
diff --git a/packages/core/test/acceptance/integration_spec.ts b/packages/core/test/acceptance/integration_spec.ts
index 62c598f9993..5cc3a2e5dbd 100644
--- a/packages/core/test/acceptance/integration_spec.ts
+++ b/packages/core/test/acceptance/integration_spec.ts
@@ -2718,7 +2718,6 @@ describe('acceptance integration tests', () => {
 
   it('should support template literals in expressions', () => {
     @Component({
-      standalone: true,
       template: 'Message: {{`Hello, ${name} - ${value}`}}',
     })
     class TestComponent {
diff --git a/packages/core/test/acceptance/internal_spec.ts b/packages/core/test/acceptance/internal_spec.ts
index f0b585219fb..7c553fee2bb 100644
--- a/packages/core/test/acceptance/internal_spec.ts
+++ b/packages/core/test/acceptance/internal_spec.ts
@@ -21,7 +21,6 @@ describe('internal utilities', () => {
   describe('getClosestComponentName', () => {
     it('should get the name from a node placed inside a root component', () => {
       @Component({
-        standalone: true,
         template: `<section><div class="target"></div></section>`,
       })
       class App {}
@@ -36,12 +35,10 @@ describe('internal utilities', () => {
       @Component({
         selector: 'comp',
         template: `<section><div class="target"></div></section>`,
-        standalone: true,
       })
       class Comp {}
 
       @Component({
-        standalone: true,
         template: `<comp/>`,
         imports: [Comp],
       })
@@ -57,12 +54,10 @@ describe('internal utilities', () => {
       @Component({
         selector: 'comp',
         template: `<section><div class="target"></div></section>`,
-        standalone: true,
       })
       class Comp {}
 
       @Component({
-        standalone: true,
         template: `
           @for (current of [1]; track $index) {
             <comp/>
@@ -81,12 +76,10 @@ describe('internal utilities', () => {
     it('should get the name from a node that has a directive', () => {
       @Directive({
         selector: 'dir',
-        standalone: true,
       })
       class Dir {}
 
       @Component({
-        standalone: true,
         template: `<section><dir class="target"></dir></section>`,
         imports: [Dir],
       })
@@ -100,7 +93,6 @@ describe('internal utilities', () => {
 
     it('should return null when not placed in a component', () => {
       @Component({
-        standalone: true,
         template: '',
       })
       class App {}
@@ -114,12 +106,10 @@ describe('internal utilities', () => {
       @Component({
         selector: 'comp',
         template: `<section><div class="target"></div></section>`,
-        standalone: true,
       })
       class Comp {}
 
       @Component({
-        standalone: true,
         template: `<ng-container #insertionPoint/>`,
       })
       class App {
@@ -141,7 +131,6 @@ describe('internal utilities', () => {
       @Component({
         selector: 'comp',
         template: `<section><div class="target"></div></section>`,
-        standalone: true,
       })
       class Comp {}
 
diff --git a/packages/core/test/acceptance/let_spec.ts b/packages/core/test/acceptance/let_spec.ts
index bcd82651359..35607e92a99 100644
--- a/packages/core/test/acceptance/let_spec.ts
+++ b/packages/core/test/acceptance/let_spec.ts
@@ -23,7 +23,6 @@ import {TestBed} from '@angular/core/testing';
 describe('@let declarations', () => {
   it('should update the value of a @let declaration over time', () => {
     @Component({
-      standalone: true,
       template: `
         @let multiplier = 2;
         @let result = value * multiplier;
@@ -51,7 +50,6 @@ describe('@let declarations', () => {
     const values: number[] = [];
 
     @Component({
-      standalone: true,
       template: `
         @let result = value * 2;
         <button (click)="log(result)"></button>
@@ -81,7 +79,6 @@ describe('@let declarations', () => {
 
   it('should be able to access @let declarations through multiple levels of views', () => {
     @Component({
-      standalone: true,
       template: `
         @if (true) {
           @if (true) {
@@ -110,7 +107,6 @@ describe('@let declarations', () => {
 
   it('should be able to access @let declarations from parent view before they are declared', () => {
     @Component({
-      standalone: true,
       template: `
         @if (true) {
           {{value}} times {{multiplier}} is {{result}}
@@ -142,7 +138,6 @@ describe('@let declarations', () => {
 
     @Directive({
       selector: '[dir]',
-      standalone: true,
     })
     class TestDirective {
       @Output() testEvent = new EventEmitter<void>();
@@ -153,7 +148,6 @@ describe('@let declarations', () => {
     }
 
     @Component({
-      standalone: true,
       imports: [TestDirective],
       template: `
         <div dir (testEvent)="callback(value)"></div>
@@ -186,7 +180,7 @@ describe('@let declarations', () => {
   });
 
   it('should be able to use pipes injecting ChangeDetectorRef in a let declaration', () => {
-    @Pipe({name: 'double', standalone: true})
+    @Pipe({name: 'double'})
     class DoublePipe implements PipeTransform {
       changeDetectorRef = inject(ChangeDetectorRef);
 
@@ -196,7 +190,6 @@ describe('@let declarations', () => {
     }
 
     @Component({
-      standalone: true,
       template: `
         @let result = value | double;
         Result: {{result}}
@@ -218,7 +211,6 @@ describe('@let declarations', () => {
 
   it('should be able to use local references inside @let declarations', () => {
     @Component({
-      standalone: true,
       template: `
         <input #firstName value="Frodo" name="first-name">
         <input #lastName value="Baggins">
@@ -240,7 +232,6 @@ describe('@let declarations', () => {
 
   it('should be able to proxy a local reference through @let declarations', () => {
     @Component({
-      standalone: true,
       template: `
         <input #input value="foo">
 
@@ -271,7 +262,6 @@ describe('@let declarations', () => {
     let calls = 0;
 
     @Component({
-      standalone: true,
       template: `
         @let one = getOne();
         @let two = one + getTwo();
@@ -302,7 +292,6 @@ describe('@let declarations', () => {
 
   it('should resolve a @let declaration correctly within an embedded view that uses a value from parent view and cannot be optimized', () => {
     @Component({
-      standalone: true,
       template: `
         @let foo = value + 1;
 
@@ -333,7 +322,6 @@ describe('@let declarations', () => {
 
   it('should not be able to access @let declarations using a query', () => {
     @Component({
-      standalone: true,
       template: `
         @let value = 1;
         {{value}}
@@ -355,12 +343,10 @@ describe('@let declarations', () => {
         @let value = 123;
         <ng-content>The value is {{value}}</ng-content>
       `,
-      standalone: true,
     })
     class InnerComponent {}
 
     @Component({
-      standalone: true,
       template: '<inner/>',
       imports: [InnerComponent],
     })
@@ -379,12 +365,10 @@ describe('@let declarations', () => {
         <ng-content>Fallback content</ng-content>
         <ng-content select="footer">Fallback footer</ng-content>
       `,
-      standalone: true,
     })
     class InnerComponent {}
 
     @Component({
-      standalone: true,
       template: `
         <inner>
           @let one = 1;
@@ -408,7 +392,6 @@ describe('@let declarations', () => {
 
   it('should give precedence to @let declarations over component properties', () => {
     @Component({
-      standalone: true,
       template: `
         @let value = '@let';
 
@@ -428,7 +411,6 @@ describe('@let declarations', () => {
 
   it('should give precedence to local @let definition over one from a parent view', () => {
     @Component({
-      standalone: true,
       template: `
         @let value = 'parent';
 
@@ -447,7 +429,6 @@ describe('@let declarations', () => {
 
   it('should be able to use @for loop variables in @let declarations', () => {
     @Component({
-      standalone: true,
       template: `
         @for (value of values; track $index) {
           @let calculation = value * $index;
diff --git a/packages/core/test/acceptance/listener_spec.ts b/packages/core/test/acceptance/listener_spec.ts
index 7ee9ba3f76a..d5d2e72bac4 100644
--- a/packages/core/test/acceptance/listener_spec.ts
+++ b/packages/core/test/acceptance/listener_spec.ts
@@ -162,7 +162,7 @@ describe('event listeners', () => {
           <ng-template #template>
             <button (click)="this['mes' + 'sage'] = 'hello'">Click me</button>
           </ng-template>
-  
+
           <ng-container [ngTemplateOutlet]="template"></ng-container>
         `,
         standalone: false,
@@ -187,7 +187,7 @@ describe('event listeners', () => {
           <ng-template let-obj #template>
             <button (click)="obj.value = obj.value + '!'">Change</button>
           </ng-template>
-  
+
           <ng-container *ngTemplateOutlet="template; context: {$implicit: current}"></ng-container>
         `,
         standalone: false,
@@ -226,13 +226,11 @@ describe('event listeners', () => {
     it('should support local refs in listeners', () => {
       @Component({
         selector: 'my-comp',
-        standalone: true,
         template: ``,
       })
       class MyComp {}
 
       @Component({
-        standalone: true,
         imports: [MyComp],
         template: `
           <my-comp #comp></my-comp>
@@ -768,7 +766,6 @@ describe('event listeners', () => {
 
       @Directive({
         selector: '[hostListenerDir]',
-        standalone: true,
       })
       class HostListenerDir {
         @HostListener('click')
@@ -778,7 +775,6 @@ describe('event listeners', () => {
       }
 
       @Component({
-        standalone: true,
         imports: [HostListenerDir],
         template: `<button hostListenerDir>Click</button>`,
       })
@@ -801,7 +797,6 @@ describe('event listeners', () => {
 
       @Directive({
         selector: '[hostListenerDir]',
-        standalone: true,
       })
       class HostListenerDir {
         @HostListener('document:click')
@@ -811,7 +806,6 @@ describe('event listeners', () => {
       }
 
       @Component({
-        standalone: true,
         imports: [HostListenerDir],
         template: `<button hostListenerDir>Click</button>`,
       })
@@ -883,7 +877,7 @@ describe('event listeners', () => {
               <ng-template #template add-global-listener>
                 <button>Click me!</button>
               </ng-template>
-  
+
               <ng-container [ngTemplateOutlet]="template"></ng-container>
             `,
         standalone: false,
diff --git a/packages/core/test/acceptance/ng_module_spec.ts b/packages/core/test/acceptance/ng_module_spec.ts
index 75f04290f43..b64bb6cd2d5 100644
--- a/packages/core/test/acceptance/ng_module_spec.ts
+++ b/packages/core/test/acceptance/ng_module_spec.ts
@@ -98,7 +98,6 @@ describe('NgModule', () => {
     it('should throw when a standalone component is added to NgModule declarations', () => {
       @Component({
         selector: 'my-comp',
-        standalone: true,
         template: '',
       })
       class MyComp {}
@@ -120,7 +119,6 @@ describe('NgModule', () => {
     it('should throw when a standalone directive is added to NgModule declarations', () => {
       @Directive({
         selector: '[my-dir]',
-        standalone: true,
       })
       class MyDir {}
 
@@ -148,7 +146,6 @@ describe('NgModule', () => {
     it('should throw when a standalone pipe is added to NgModule declarations', () => {
       @Pipe({
         name: 'my-pipe',
-        standalone: true,
       })
       class MyPipe {}
 
@@ -177,7 +174,6 @@ describe('NgModule', () => {
       @Component({
         selector: 'my-comp',
         template: '',
-        standalone: true,
       })
       class MyComp {}
 
@@ -443,7 +439,6 @@ describe('NgModule', () => {
     it('should log an error about unknown element for a standalone component without CUSTOM_ELEMENTS_SCHEMA', () => {
       @Component({
         template: `<custom-el></custom-el>`,
-        standalone: true,
       })
       class MyComp {}
 
@@ -457,7 +452,6 @@ describe('NgModule', () => {
     it('should not log an error about unknown element for a standalone component with CUSTOM_ELEMENTS_SCHEMA', () => {
       @Component({
         template: `<custom-el></custom-el>`,
-        standalone: true,
         schemas: [CUSTOM_ELEMENTS_SCHEMA],
       })
       class MyComp {}
@@ -657,7 +651,6 @@ describe('NgModule', () => {
           `is used in a template, but not imported in a standalone component`,
         () => {
           @Component({
-            standalone: true,
             template: `<div *${directive}="expr"></div>`,
           })
           class App {
diff --git a/packages/core/test/acceptance/pipe_spec.ts b/packages/core/test/acceptance/pipe_spec.ts
index 8376db2f183..1639cdb856c 100644
--- a/packages/core/test/acceptance/pipe_spec.ts
+++ b/packages/core/test/acceptance/pipe_spec.ts
@@ -354,7 +354,7 @@ describe('pipe', () => {
     }
 
     // The generated code corresponds to the following decorator:
-    // @Pipe({name: 'sayHello', pure: true, standalone: true})
+    // @Pipe({name: 'sayHello', pure: true})
     class SayHelloPipe extends ParentPipe implements PipeTransform {
       transform() {
         return this.sayHelloService.getHello();
@@ -369,7 +369,6 @@ describe('pipe', () => {
     }
 
     @Component({
-      standalone: true,
       selector: 'app',
       template: '{{ value | sayHello }}',
       imports: [SayHelloPipe],
diff --git a/packages/core/test/acceptance/query_spec.ts b/packages/core/test/acceptance/query_spec.ts
index fbfbdd05ed5..055bb4de2eb 100644
--- a/packages/core/test/acceptance/query_spec.ts
+++ b/packages/core/test/acceptance/query_spec.ts
@@ -886,14 +886,12 @@ describe('query logic', () => {
     it('should not match directive host with content queries', () => {
       @Directive({
         selector: '[content-query]',
-        standalone: true,
       })
       class ContentQueryDirective {
         @ContentChildren('foo', {descendants: true}) foos!: QueryList<ElementRef>;
       }
 
       @Component({
-        standalone: true,
         imports: [ContentQueryDirective],
         template: `<div content-query #foo></div>`,
       })
@@ -910,13 +908,12 @@ describe('query logic', () => {
     });
 
     it('should report results to appropriate queries where deep content queries are nested', () => {
-      @Directive({selector: '[content-query]', standalone: true, exportAs: 'query'})
+      @Directive({selector: '[content-query]', exportAs: 'query'})
       class ContentQueryDirective {
         @ContentChildren('foo, bar, baz', {descendants: true}) qlist!: QueryList<ElementRef>;
       }
 
       @Component({
-        standalone: true,
         imports: [ContentQueryDirective],
         template: `
           <div content-query #out="query">
@@ -944,13 +941,12 @@ describe('query logic', () => {
     });
 
     it('should support nested shallow content queries', () => {
-      @Directive({selector: '[content-query]', standalone: true, exportAs: 'query'})
+      @Directive({selector: '[content-query]', exportAs: 'query'})
       class ContentQueryDirective {
         @ContentChildren('foo') qlist!: QueryList<ElementRef>;
       }
 
       @Component({
-        standalone: true,
         imports: [ContentQueryDirective],
         template: `
           <div content-query #out="query">
@@ -976,18 +972,17 @@ describe('query logic', () => {
     });
 
     it('should respect shallow flag on content queries when mixing deep and shallow queries', () => {
-      @Directive({selector: '[shallow-content-query]', standalone: true, exportAs: 'shallow-query'})
+      @Directive({selector: '[shallow-content-query]', exportAs: 'shallow-query'})
       class ShallowContentQueryDirective {
         @ContentChildren('foo') qlist!: QueryList<ElementRef>;
       }
 
-      @Directive({selector: '[deep-content-query]', standalone: true, exportAs: 'deep-query'})
+      @Directive({selector: '[deep-content-query]', exportAs: 'deep-query'})
       class DeepContentQueryDirective {
         @ContentChildren('foo', {descendants: true}) qlist!: QueryList<ElementRef>;
       }
 
       @Component({
-        standalone: true,
         imports: [ShallowContentQueryDirective, DeepContentQueryDirective],
         template: `
           <div shallow-content-query #shallow="shallow-query" deep-content-query #deep="deep-query">
@@ -1014,7 +1009,7 @@ describe('query logic', () => {
     });
 
     it('should support shallow ContentChild queries', () => {
-      @Directive({selector: '[query-dir]', standalone: true})
+      @Directive({selector: '[query-dir]'})
       class ContentQueryDirective {
         @ContentChild('foo', {descendants: false}) shallow: ElementRef | undefined;
         // ContentChild queries have {descendants: true} option by default
@@ -1022,7 +1017,6 @@ describe('query logic', () => {
       }
 
       @Component({
-        standalone: true,
         imports: [ContentQueryDirective],
         template: `
           <div query-dir>
@@ -1046,14 +1040,12 @@ describe('query logic', () => {
     it('should support view and content queries matching the same element', () => {
       @Directive({
         selector: '[content-query]',
-        standalone: true,
       })
       class ContentQueryDirective {
         @ContentChildren('foo') foos!: QueryList<ElementRef>;
       }
 
       @Component({
-        standalone: true,
         imports: [ContentQueryDirective],
         template: `
           <div content-query>
@@ -1082,14 +1074,13 @@ describe('query logic', () => {
   });
 
   describe('query order', () => {
-    @Directive({selector: '[text]', standalone: true})
+    @Directive({selector: '[text]'})
     class TextDirective {
       @Input() text: string | undefined;
     }
 
     it('should register view query matches from top to bottom', () => {
       @Component({
-        standalone: true,
         imports: [TextDirective],
         template: `
           <span text="A"></span>
@@ -1119,14 +1110,12 @@ describe('query logic', () => {
     it('should register content query matches from top to bottom', () => {
       @Directive({
         selector: '[content-query]',
-        standalone: true,
       })
       class ContentQueryDirective {
         @ContentChildren(TextDirective, {descendants: true}) texts!: QueryList<TextDirective>;
       }
 
       @Component({
-        standalone: true,
         imports: [TextDirective, ContentQueryDirective],
         template: `
           <div content-query>
@@ -1475,15 +1464,14 @@ describe('query logic', () => {
   });
 
   describe('read option', () => {
-    @Directive({selector: '[child]', standalone: true})
+    @Directive({selector: '[child]'})
     class Child {}
 
-    @Directive({selector: '[otherChild]', standalone: true})
+    @Directive({selector: '[otherChild]'})
     class OtherChild {}
 
     it('should query using type predicate and read ElementRef', () => {
       @Component({
-        standalone: true,
         imports: [Child],
         template: `<div child></div>`,
       })
@@ -1503,7 +1491,6 @@ describe('query logic', () => {
 
     it('should query using type predicate and read another directive type', () => {
       @Component({
-        standalone: true,
         imports: [Child, OtherChild],
         template: `<div child otherChild></div>`,
       })
@@ -1521,7 +1508,6 @@ describe('query logic', () => {
 
     it('should not add results to query if a requested token cant be read', () => {
       @Component({
-        standalone: true,
         imports: [Child],
         template: `<div child></div>`,
       })
@@ -1538,7 +1524,6 @@ describe('query logic', () => {
 
     it('should query using local ref and read ElementRef by default', () => {
       @Component({
-        standalone: true,
         template: `
           <div #foo></div>
           <div></div>
@@ -1560,7 +1545,6 @@ describe('query logic', () => {
 
     it('should query for multiple elements and read ElementRef by default', () => {
       @Component({
-        standalone: true,
         template: `
           <div #foo></div>
           <div></div>
@@ -1584,7 +1568,6 @@ describe('query logic', () => {
 
     it('should read ElementRef from an element when explicitly asked for', () => {
       @Component({
-        standalone: true,
         template: `
           <div #foo></div>
           <div></div>
@@ -1606,7 +1589,6 @@ describe('query logic', () => {
 
     it('should query for <ng-container> and read ElementRef with a native element pointing to comment node', () => {
       @Component({
-        standalone: true,
         template: `<ng-container #foo></ng-container>`,
       })
       class TestCmp {
@@ -1623,7 +1605,6 @@ describe('query logic', () => {
 
     it('should query for <ng-container> and read ElementRef without explicit read option', () => {
       @Component({
-        standalone: true,
         template: `<ng-container #foo></ng-container>`,
       })
       class TestCmp {
@@ -1640,7 +1621,6 @@ describe('query logic', () => {
 
     it('should read ViewContainerRef from element nodes when explicitly asked for', () => {
       @Component({
-        standalone: true,
         template: `<div #foo></div>`,
       })
       class TestCmp {
@@ -1657,7 +1637,6 @@ describe('query logic', () => {
 
     it('should read ViewContainerRef from ng-template nodes when explicitly asked for', () => {
       @Component({
-        standalone: true,
         template: `<ng-template #foo></ng-template>`,
       })
       class TestCmp {
@@ -1674,7 +1653,6 @@ describe('query logic', () => {
 
     it('should read ElementRef with a native element pointing to comment DOM node from ng-template', () => {
       @Component({
-        standalone: true,
         template: `<ng-template #foo></ng-template>`,
       })
       class TestCmp {
@@ -1691,7 +1669,6 @@ describe('query logic', () => {
 
     it('should read TemplateRef from ng-template by default', () => {
       @Component({
-        standalone: true,
         template: `<ng-template #foo></ng-template>`,
       })
       class TestCmp {
@@ -1708,7 +1685,6 @@ describe('query logic', () => {
 
     it('should read TemplateRef from ng-template when explicitly asked for', () => {
       @Component({
-        standalone: true,
         template: `<ng-template #foo></ng-template>`,
       })
       class TestCmp {
@@ -1724,11 +1700,10 @@ describe('query logic', () => {
     });
 
     it('should read component instance if element queried for is a component host', () => {
-      @Component({selector: 'child-cmp', standalone: true, template: ''})
+      @Component({selector: 'child-cmp', template: ''})
       class ChildCmp {}
 
       @Component({
-        standalone: true,
         imports: [ChildCmp],
         template: `<child-cmp #foo></child-cmp>`,
       })
@@ -1748,13 +1723,11 @@ describe('query logic', () => {
       @Component({
         selector: 'child-cmp',
         exportAs: 'child',
-        standalone: true,
         template: '',
       })
       class ChildCmp {}
 
       @Component({
-        standalone: true,
         imports: [ChildCmp],
         template: `<child-cmp #foo="child"></child-cmp>`,
       })
@@ -1771,11 +1744,10 @@ describe('query logic', () => {
     });
 
     it('should read directive instance if element queried for has an exported directive with a matching name', () => {
-      @Directive({selector: '[child]', exportAs: 'child', standalone: true})
+      @Directive({selector: '[child]', exportAs: 'child'})
       class ChildDirective {}
 
       @Component({
-        standalone: true,
         imports: [ChildDirective],
         template: `<div #foo="child" child></div>`,
       })
@@ -1792,14 +1764,13 @@ describe('query logic', () => {
     });
 
     it('should read all matching directive instances from a given element', () => {
-      @Directive({selector: '[child1]', exportAs: 'child1', standalone: true})
+      @Directive({selector: '[child1]', exportAs: 'child1'})
       class Child1Dir {}
 
-      @Directive({selector: '[child2]', exportAs: 'child2', standalone: true})
+      @Directive({selector: '[child2]', exportAs: 'child2'})
       class Child2Dir {}
 
       @Component({
-        standalone: true,
         imports: [Child1Dir, Child2Dir],
         template: `<div #foo="child1" child1 #bar="child2" child2></div>`,
       })
@@ -1817,11 +1788,10 @@ describe('query logic', () => {
     });
 
     it('should read multiple locals exporting the same directive from a given element', () => {
-      @Directive({selector: '[child]', exportAs: 'child', standalone: true})
+      @Directive({selector: '[child]', exportAs: 'child'})
       class ChildDir {}
 
       @Component({
-        standalone: true,
         imports: [ChildDir],
         template: `<div child #foo="child" #bar="child"></div>`,
       })
@@ -1869,11 +1839,10 @@ describe('query logic', () => {
     });
 
     it('should match on exported directive name and read a requested token', () => {
-      @Directive({selector: '[child]', exportAs: 'child', standalone: true})
+      @Directive({selector: '[child]', exportAs: 'child'})
       class ChildDir {}
 
       @Component({
-        standalone: true,
         imports: [ChildDir],
         template: `<div child #foo="child"></div>`,
       })
@@ -1890,11 +1859,10 @@ describe('query logic', () => {
     });
 
     it('should support reading a mix of ElementRef and directive instances', () => {
-      @Directive({selector: '[child]', exportAs: 'child', standalone: true})
+      @Directive({selector: '[child]', exportAs: 'child'})
       class ChildDir {}
 
       @Component({
-        standalone: true,
         imports: [ChildDir],
         template: `<div #foo #bar="child" child></div>`,
       })
@@ -1912,11 +1880,10 @@ describe('query logic', () => {
     });
 
     it('should not add results to selector-based query if a requested token cant be read', () => {
-      @Directive({selector: '[child]', standalone: true})
+      @Directive({selector: '[child]'})
       class ChildDir {}
 
       @Component({
-        standalone: true,
         imports: [],
         template: `<div #foo></div>`,
       })
@@ -1932,14 +1899,13 @@ describe('query logic', () => {
     });
 
     it('should not add results to directive-based query if only read token matches', () => {
-      @Directive({selector: '[child]', standalone: true})
+      @Directive({selector: '[child]'})
       class ChildDir {}
 
-      @Directive({selector: '[otherChild]', standalone: true})
+      @Directive({selector: '[otherChild]'})
       class OtherChildDir {}
 
       @Component({
-        standalone: true,
         imports: [Child],
         template: `<div child></div>`,
       })
@@ -1956,7 +1922,6 @@ describe('query logic', () => {
 
     it('should not add results to TemplateRef-based query if only read token matches', () => {
       @Component({
-        standalone: true,
         template: `<div></div>`,
       })
       class TestCmp {
@@ -1972,7 +1937,6 @@ describe('query logic', () => {
 
     it('should not add results to the query in case no match found (via TemplateRef)', () => {
       @Component({
-        standalone: true,
         template: `<div></div>`,
       })
       class TestCmp {
@@ -1988,7 +1952,6 @@ describe('query logic', () => {
 
     it('should query templates if the type is TemplateRef (and respect "read" option)', () => {
       @Component({
-        standalone: true,
         template: `
           <ng-template #foo><div>Test</div></ng-template>
           <ng-template #bar><div>Test</div></ng-template>
@@ -2015,7 +1978,6 @@ describe('query logic', () => {
 
     it('should match using string selector and directive as a read argument', () => {
       @Component({
-        standalone: true,
         imports: [Child],
         template: `<div child #foo></div>`,
       })
diff --git a/packages/core/test/acceptance/renderer_factory_spec.ts b/packages/core/test/acceptance/renderer_factory_spec.ts
index b907a6a6374..8d2bf0161dd 100644
--- a/packages/core/test/acceptance/renderer_factory_spec.ts
+++ b/packages/core/test/acceptance/renderer_factory_spec.ts
@@ -134,7 +134,6 @@ describe('renderer factory lifecycle', () => {
 
   it('should pass in the component styles directly into the underlying renderer', () => {
     @Component({
-      standalone: true,
       styles: ['.some-css-class { color: red; }'],
       template: '...',
       encapsulation: ViewEncapsulation.ShadowDom,
@@ -153,7 +152,6 @@ describe('renderer factory lifecycle', () => {
       const animB = {name: 'b'};
 
       @Component({
-        standalone: true,
         template: '',
         animations: [animA, animB],
       })
@@ -170,7 +168,6 @@ describe('renderer factory lifecycle', () => {
 
     it('should include animations in the renderType data array even if the array is empty', () => {
       @Component({
-        standalone: true,
         template: '...',
         animations: [],
       })
@@ -184,7 +181,6 @@ describe('renderer factory lifecycle', () => {
 
     it('should allow [@trigger] bindings to be picked up by the underlying renderer', () => {
       @Component({
-        standalone: true,
         template: '<div @fooAnimation></div>',
         animations: [],
       })
@@ -216,7 +212,6 @@ describe('renderer factory lifecycle', () => {
   it('should not invoke renderer destroy method for embedded views', () => {
     @Component({
       selector: 'comp',
-      standalone: true,
       imports: [CommonModule],
       template: `
         <div>Root view</div>
diff --git a/packages/core/test/acceptance/security_spec.ts b/packages/core/test/acceptance/security_spec.ts
index 903751a6402..6038e8181c4 100644
--- a/packages/core/test/acceptance/security_spec.ts
+++ b/packages/core/test/acceptance/security_spec.ts
@@ -140,7 +140,6 @@ describe('iframe processing', () => {
               `as a static attribute (checking \`${securityAttr}\`)`,
             () => {
               @Component({
-                standalone: true,
                 selector: 'my-comp',
                 template: `
                   <iframe
@@ -160,7 +159,6 @@ describe('iframe processing', () => {
               `making sure it's case-insensitive)`,
             () => {
               @Component({
-                standalone: true,
                 selector: 'my-comp',
                 template: `
                   <iframe
@@ -179,7 +177,6 @@ describe('iframe processing', () => {
               `using a property binding (checking \`${securityAttr}\`)`,
             () => {
               @Component({
-                standalone: true,
                 selector: 'my-comp',
                 template: `<iframe ${srcAttr}="${TEST_IFRAME_URL}" [${securityAttr}]="''"></iframe>`,
               })
@@ -194,7 +191,6 @@ describe('iframe processing', () => {
               `using a property interpolation (checking \`${securityAttr}\`)`,
             () => {
               @Component({
-                standalone: true,
                 selector: 'my-comp',
                 template: `<iframe ${srcAttr}="${TEST_IFRAME_URL}" ${securityAttr}="{{''}}"></iframe>`,
               })
@@ -210,7 +206,6 @@ describe('iframe processing', () => {
               `sure it's case-insensitive)`,
             () => {
               @Component({
-                standalone: true,
                 selector: 'my-comp',
                 template: `
                     <iframe
@@ -230,7 +225,6 @@ describe('iframe processing', () => {
               `using a property binding (checking \`${securityAttr}\`)`,
             () => {
               @Component({
-                standalone: true,
                 selector: 'my-comp',
                 template: `
                     <iframe
@@ -251,7 +245,6 @@ describe('iframe processing', () => {
               `sure it's case-insensitive)`,
             () => {
               @Component({
-                standalone: true,
                 selector: 'my-comp',
                 template: `
                     <iframe
@@ -268,7 +261,6 @@ describe('iframe processing', () => {
 
           it(`should allow changing \`${srcAttr}\` after initial render`, () => {
             @Component({
-              standalone: true,
               selector: 'my-comp',
               template: `
                     <iframe
@@ -302,7 +294,6 @@ describe('iframe processing', () => {
 
       it('should work when a directive sets a security-sensitive attribute as a static attribute', () => {
         @Directive({
-          standalone: true,
           selector: '[dir]',
           host: {
             'src': TEST_IFRAME_URL,
@@ -311,7 +302,6 @@ describe('iframe processing', () => {
         })
         class IframeDir {}
         @Component({
-          standalone: true,
           imports: [IframeDir],
           selector: 'my-comp',
           template: '<iframe dir></iframe>',
@@ -323,7 +313,6 @@ describe('iframe processing', () => {
 
       it('should work when a directive sets a security-sensitive host attribute on a non-iframe element', () => {
         @Directive({
-          standalone: true,
           selector: '[dir]',
           host: {
             'src': TEST_IFRAME_URL,
@@ -333,7 +322,6 @@ describe('iframe processing', () => {
         class Dir {}
 
         @Component({
-          standalone: true,
           imports: [Dir],
           selector: 'my-comp',
           template: '<img dir>',
@@ -351,7 +339,6 @@ describe('iframe processing', () => {
           'which also has a structural directive (*ngIf)',
         () => {
           @Component({
-            standalone: true,
             imports: [NgIf],
             selector: 'my-comp',
             template: `<iframe *ngIf="visible" src="${TEST_IFRAME_URL}" sandbox=""></iframe>`,
@@ -366,7 +353,6 @@ describe('iframe processing', () => {
 
       it('should work when a security-sensitive attribute is set between `src` and `srcdoc`', () => {
         @Component({
-          standalone: true,
           selector: 'my-comp',
           template: `<iframe src="${TEST_IFRAME_URL}" sandbox srcdoc="Hi!"></iframe>`,
         })
@@ -377,7 +363,6 @@ describe('iframe processing', () => {
 
       it('should work when a directive sets a security-sensitive attribute before setting `src`', () => {
         @Directive({
-          standalone: true,
           selector: '[dir]',
           host: {
             'sandbox': '',
@@ -387,7 +372,6 @@ describe('iframe processing', () => {
         class IframeDir {}
 
         @Component({
-          standalone: true,
           imports: [IframeDir],
           selector: 'my-comp',
           template: '<iframe dir></iframe>',
@@ -403,7 +387,6 @@ describe('iframe processing', () => {
           '(directive attribute after `sandbox`)',
         () => {
           @Directive({
-            standalone: true,
             selector: '[dir]',
             host: {
               'src': TEST_IFRAME_URL,
@@ -412,7 +395,6 @@ describe('iframe processing', () => {
           class IframeDir {}
 
           @Component({
-            standalone: true,
             imports: [IframeDir],
             selector: 'my-comp',
             template: '<iframe sandbox dir></iframe>',
@@ -428,7 +410,6 @@ describe('iframe processing', () => {
           "as an attribute binding (checking that it's case-insensitive)",
         () => {
           @Directive({
-            standalone: true,
             selector: '[dir]',
             host: {
               '[attr.SANDBOX]': "''",
@@ -437,7 +418,6 @@ describe('iframe processing', () => {
           class IframeDir {}
 
           @Component({
-            standalone: true,
             imports: [IframeDir],
             selector: 'my-comp',
             template: `<IFRAME dir src="${TEST_IFRAME_URL}"></IFRAME>`,
@@ -454,7 +434,6 @@ describe('iframe processing', () => {
           '(directive attribute before `sandbox`)',
         () => {
           @Directive({
-            standalone: true,
             selector: '[dir]',
             host: {
               'src': TEST_IFRAME_URL,
@@ -463,7 +442,6 @@ describe('iframe processing', () => {
           class IframeDir {}
 
           @Component({
-            standalone: true,
             imports: [IframeDir],
             selector: 'my-comp',
             template: '<iframe dir sandbox></iframe>',
@@ -480,7 +458,6 @@ describe('iframe processing', () => {
           '(directive attribute after `src`)',
         () => {
           @Directive({
-            standalone: true,
             selector: '[dir]',
             host: {
               'sandbox': '',
@@ -489,7 +466,6 @@ describe('iframe processing', () => {
           class IframeDir {}
 
           @Component({
-            standalone: true,
             imports: [IframeDir],
             selector: 'my-comp',
             template: `<iframe src="${TEST_IFRAME_URL}" dir></iframe>`,
@@ -502,7 +478,6 @@ describe('iframe processing', () => {
 
       it('should work when a security-sensitive attribute is set as a static attribute', () => {
         @Component({
-          standalone: true,
           selector: 'my-comp',
           template: `
             <iframe referrerPolicy="no-referrer" src="${TEST_IFRAME_URL}"></iframe>
@@ -521,7 +496,6 @@ describe('iframe processing', () => {
           'as a property binding and an <iframe> is wrapped into another element',
         () => {
           @Component({
-            standalone: true,
             selector: 'my-comp',
             template: `
                 <section>
@@ -543,7 +517,6 @@ describe('iframe processing', () => {
           '(directive attribute before `src`)',
         () => {
           @Directive({
-            standalone: true,
             selector: '[dir]',
             host: {
               'sandbox': '',
@@ -552,7 +525,6 @@ describe('iframe processing', () => {
           class IframeDir {}
 
           @Component({
-            standalone: true,
             imports: [IframeDir],
             selector: 'my-comp',
             template: `<iframe dir src="${TEST_IFRAME_URL}"></iframe>`,
@@ -568,7 +540,6 @@ describe('iframe processing', () => {
           'before the directive that sets an `src` attribute value',
         () => {
           @Directive({
-            standalone: true,
             selector: '[set-src]',
             host: {
               'src': TEST_IFRAME_URL,
@@ -577,7 +548,6 @@ describe('iframe processing', () => {
           class DirThatSetsSrc {}
 
           @Directive({
-            standalone: true,
             selector: '[set-sandbox]',
             host: {
               'sandbox': '',
@@ -586,7 +556,6 @@ describe('iframe processing', () => {
           class DirThatSetsSandbox {}
 
           @Component({
-            standalone: true,
             imports: [DirThatSetsSandbox, DirThatSetsSrc],
             selector: 'my-comp',
             // Important note: even though the `set-sandbox` goes after the `set-src`,
@@ -605,7 +574,6 @@ describe('iframe processing', () => {
           'a host directive that sets an `src` attribute value',
         () => {
           @Directive({
-            standalone: true,
             selector: '[set-src-dir]',
             host: {
               'src': TEST_IFRAME_URL,
@@ -614,7 +582,6 @@ describe('iframe processing', () => {
           class DirThatSetsSrc {}
 
           @Directive({
-            standalone: true,
             selector: '[dir]',
             hostDirectives: [DirThatSetsSrc],
             host: {
@@ -624,7 +591,6 @@ describe('iframe processing', () => {
           class DirThatSetsSandbox {}
 
           @Component({
-            standalone: true,
             imports: [DirThatSetsSandbox],
             selector: 'my-comp',
             template: '<iframe dir></iframe>',
@@ -640,7 +606,6 @@ describe('iframe processing', () => {
           'a host directive that sets a security-sensitive attribute value',
         () => {
           @Directive({
-            standalone: true,
             selector: '[set-sandbox-dir]',
             host: {
               'sandbox': '',
@@ -649,7 +614,6 @@ describe('iframe processing', () => {
           class DirThatSetsSandbox {}
 
           @Directive({
-            standalone: true,
             selector: '[dir]',
             hostDirectives: [DirThatSetsSandbox],
             host: {
@@ -659,7 +623,6 @@ describe('iframe processing', () => {
           class DirThatSetsSrc {}
 
           @Component({
-            standalone: true,
             imports: [DirThatSetsSrc],
             selector: 'my-comp',
             template: '<iframe dir></iframe>',
@@ -675,7 +638,6 @@ describe('iframe processing', () => {
           'with security-sensitive attributes set via property bindings',
         () => {
           @Component({
-            standalone: true,
             selector: 'my-comp',
             template: `
                 <ng-container #container></ng-container>
@@ -711,7 +673,6 @@ describe('iframe processing', () => {
             'a property binding on an <iframe> inside i18n block',
           () => {
             @Component({
-              standalone: true,
               selector: 'my-comp',
               template: `
                   <section i18n>
@@ -731,7 +692,6 @@ describe('iframe processing', () => {
             'a property binding on an <iframe> annotated with i18n attribute',
           () => {
             @Component({
-              standalone: true,
               selector: 'my-comp',
               template: `
                   <iframe i18n src="${TEST_IFRAME_URL}" [sandbox]="''">
@@ -746,7 +706,6 @@ describe('iframe processing', () => {
 
         it('should work when a security-sensitive attributes are marked for translation', () => {
           @Component({
-            standalone: true,
             selector: 'my-comp',
             template: `
               <iframe src="${TEST_IFRAME_URL}" i18n-sandbox sandbox="">
diff --git a/packages/core/test/acceptance/standalone_injector_spec.ts b/packages/core/test/acceptance/standalone_injector_spec.ts
index 0ed686876b5..d49db350fab 100644
--- a/packages/core/test/acceptance/standalone_injector_spec.ts
+++ b/packages/core/test/acceptance/standalone_injector_spec.ts
@@ -30,7 +30,6 @@ describe('standalone injector', () => {
 
     @Component({
       selector: 'standalone',
-      standalone: true,
       imports: [ModuleWithAService],
       template: `({{service.value}})`,
     })
@@ -81,7 +80,6 @@ describe('standalone injector', () => {
 
     @Component({
       selector: 'standalone',
-      standalone: true,
       imports: [ModuleWithAService],
       template: `{{service.value}}`,
     })
diff --git a/packages/core/test/acceptance/standalone_spec.ts b/packages/core/test/acceptance/standalone_spec.ts
index 917d869988f..334ae20e7d5 100644
--- a/packages/core/test/acceptance/standalone_spec.ts
+++ b/packages/core/test/acceptance/standalone_spec.ts
@@ -31,7 +31,6 @@ import {TestBed} from '@angular/core/testing';
 describe('standalone components, directives, and pipes', () => {
   it('should render a standalone component', () => {
     @Component({
-      standalone: true,
       template: 'Look at me, no NgModule!',
     })
     class StandaloneCmp {}
@@ -44,7 +43,6 @@ describe('standalone components, directives, and pipes', () => {
   it('should render a recursive standalone component', () => {
     @Component({
       selector: 'tree',
-      standalone: true,
       template: `({{level}})<ng-template [ngIf]="level > 0"><tree [level]="level - 1"></tree></ng-template>`,
       imports: [CommonModule],
     })
@@ -52,7 +50,7 @@ describe('standalone components, directives, and pipes', () => {
       @Input() level = 0;
     }
 
-    @Component({standalone: true, template: '<tree [level]="3"></tree>', imports: [TreeCmp]})
+    @Component({template: '<tree [level]="3"></tree>', imports: [TreeCmp]})
     class StandaloneCmp {}
 
     const fixture = TestBed.createComponent(StandaloneCmp);
@@ -84,7 +82,6 @@ describe('standalone components, directives, and pipes', () => {
     @Component({
       selector: 'inner-cmp',
       template: 'Look at me, no NgModule!',
-      standalone: true,
     })
     class InnerCmp {}
 
@@ -116,7 +113,6 @@ describe('standalone components, directives, and pipes', () => {
     class Module {}
 
     @Component({
-      standalone: true,
       template: '<inner-cmp></inner-cmp>',
       imports: [Module],
     })
@@ -132,7 +128,6 @@ describe('standalone components, directives, and pipes', () => {
   it('should allow exporting standalone components, directives, and pipes from NgModule', () => {
     @Component({
       selector: 'standalone-cmp',
-      standalone: true,
       template: `standalone`,
     })
     class StandaloneCmp {}
@@ -142,11 +137,10 @@ describe('standalone components, directives, and pipes', () => {
       host: {
         '[attr.id]': '"standalone"',
       },
-      standalone: true,
     })
     class StandaloneDir {}
 
-    @Pipe({name: 'standalonePipe', standalone: true})
+    @Pipe({name: 'standalonePipe'})
     class StandalonePipe implements PipeTransform {
       transform(value: any) {
         return `|${value}`;
@@ -182,7 +176,6 @@ describe('standalone components, directives, and pipes', () => {
 
   it('should render a standalone component with dependencies and ambient providers', () => {
     @Component({
-      standalone: true,
       template: 'Inner',
       selector: 'inner-cmp',
     })
@@ -196,7 +189,6 @@ describe('standalone components, directives, and pipes', () => {
     class ModuleWithAProvider {}
 
     @Component({
-      standalone: true,
       template: 'Outer<inner-cmp></inner-cmp>{{service.value}}',
       imports: [InnerCmp, ModuleWithAProvider],
     })
@@ -218,7 +210,6 @@ describe('standalone components, directives, and pipes', () => {
     class ModuleWithAProvider {}
 
     @Component({
-      standalone: true,
       template: 'Inner({{service.value}})',
       selector: 'inner-cmp',
       imports: [ModuleWithAProvider],
@@ -228,7 +219,6 @@ describe('standalone components, directives, and pipes', () => {
     }
 
     @Component({
-      standalone: true,
       template: 'Outer<inner-cmp></inner-cmp>{{service.value}}',
       imports: [InnerCmp],
     })
@@ -263,7 +253,6 @@ describe('standalone components, directives, and pipes', () => {
     @Component({
       selector: 'duplicate-selector',
       template: `ComponentA: {{ service ? 'service found' : 'service not found' }}`,
-      standalone: true,
       imports: [MyModuleA],
     })
     class ComponentA {
@@ -273,7 +262,6 @@ describe('standalone components, directives, and pipes', () => {
     @Component({
       selector: 'duplicate-selector',
       template: `ComponentB: {{ service ? 'service found' : 'service not found' }}`,
-      standalone: true,
       imports: [MyModuleB],
     })
     class ComponentB {
@@ -286,7 +274,6 @@ describe('standalone components, directives, and pipes', () => {
         <ng-container [ngComponentOutlet]="ComponentA" />
         <ng-container [ngComponentOutlet]="ComponentB" />
       `,
-      standalone: true,
       imports: [NgComponentOutlet],
     })
     class AppCmp {
@@ -311,7 +298,6 @@ describe('standalone components, directives, and pipes', () => {
     class Module {}
 
     @Component({
-      standalone: true,
       template: 'Inner({{service.value}})',
       selector: 'inner-cmp',
       imports: [Module],
@@ -321,7 +307,6 @@ describe('standalone components, directives, and pipes', () => {
     }
 
     @Component({
-      standalone: true,
       template: '<ng-template #insert></ng-template>',
       imports: [InnerCmp],
     })
@@ -359,7 +344,6 @@ describe('standalone components, directives, and pipes', () => {
     class Module {}
 
     @Component({
-      standalone: true,
       template: 'Inner({{service.value}})',
       selector: 'inner-cmp',
       imports: [Module],
@@ -369,7 +353,6 @@ describe('standalone components, directives, and pipes', () => {
     }
 
     @Component({
-      standalone: true,
       template: '<ng-template #insert></ng-template>',
       imports: [InnerCmp],
     })
@@ -416,7 +399,6 @@ describe('standalone components, directives, and pipes', () => {
     class Module {}
 
     @Component({
-      standalone: true,
       template: 'Inner({{service.value}})',
       selector: 'inner-cmp',
       imports: [Module],
@@ -426,7 +408,6 @@ describe('standalone components, directives, and pipes', () => {
     }
 
     @Component({
-      standalone: true,
       template: '<ng-template #insert></ng-template>',
       imports: [InnerCmp],
     })
@@ -456,7 +437,6 @@ describe('standalone components, directives, and pipes', () => {
   it('should render a recursive cycle of standalone components', () => {
     @Component({
       selector: 'cmp-a',
-      standalone: true,
       template: '<ng-template [ngIf]="false"><cmp-c></cmp-c></ng-template>A',
       imports: [forwardRef(() => StandaloneCmpC)],
     })
@@ -464,7 +444,6 @@ describe('standalone components, directives, and pipes', () => {
 
     @Component({
       selector: 'cmp-b',
-      standalone: true,
       template: '(<cmp-a></cmp-a>)B',
       imports: [StandaloneCmpA],
     })
@@ -472,7 +451,6 @@ describe('standalone components, directives, and pipes', () => {
 
     @Component({
       selector: 'cmp-c',
-      standalone: true,
       template: '(<cmp-b></cmp-b>)C',
       imports: [StandaloneCmpB],
     })
@@ -495,7 +473,6 @@ describe('standalone components, directives, and pipes', () => {
     class ExportingModule {}
     @Component({
       selector: 'standalone',
-      standalone: true,
       imports: [ExportingModule],
       template: `({{service.value}})`,
     })
@@ -509,10 +486,10 @@ describe('standalone components, directives, and pipes', () => {
   });
 
   it('should support nested arrays in @Component.imports', () => {
-    @Directive({selector: '[red]', standalone: true, host: {'[attr.red]': 'true'}})
+    @Directive({selector: '[red]', host: {'[attr.red]': 'true'}})
     class RedIdDirective {}
 
-    @Pipe({name: 'blue', pure: true, standalone: true})
+    @Pipe({name: 'blue', pure: true})
     class BluePipe implements PipeTransform {
       transform() {
         return 'blue';
@@ -521,7 +498,6 @@ describe('standalone components, directives, and pipes', () => {
 
     @Component({
       selector: 'standalone',
-      standalone: true,
       template: `<div red>{{'' | blue}}</div>`,
       imports: [[RedIdDirective, [BluePipe]]],
     })
@@ -533,10 +509,10 @@ describe('standalone components, directives, and pipes', () => {
   });
 
   it('should support readonly arrays in @Component.imports', () => {
-    @Directive({selector: '[red]', standalone: true, host: {'[attr.red]': 'true'}})
+    @Directive({selector: '[red]', host: {'[attr.red]': 'true'}})
     class RedIdDirective {}
 
-    @Pipe({name: 'blue', pure: true, standalone: true})
+    @Pipe({name: 'blue', pure: true})
     class BluePipe implements PipeTransform {
       transform() {
         return 'blue';
@@ -547,7 +523,6 @@ describe('standalone components, directives, and pipes', () => {
 
     @Component({
       selector: 'standalone',
-      standalone: true,
       template: `<div red>{{'' | blue}}</div>`,
       imports: [DirAndPipe],
     })
@@ -559,7 +534,7 @@ describe('standalone components, directives, and pipes', () => {
   });
 
   it('should deduplicate declarations', () => {
-    @Component({selector: 'test-red', standalone: true, template: 'red(<ng-content></ng-content>)'})
+    @Component({selector: 'test-red', template: 'red(<ng-content></ng-content>)'})
     class RedComponent {}
 
     @Component({
@@ -580,7 +555,6 @@ describe('standalone components, directives, and pipes', () => {
 
     @Component({
       selector: 'standalone',
-      standalone: true,
       template: `<test-red><test-blue>orange</test-blue></test-red>`,
       imports: [RedComponent, RedComponent, BlueAModule, BlueBModule],
     })
@@ -596,7 +570,6 @@ describe('standalone components, directives, and pipes', () => {
   it('should error when forwardRef does not resolve to a truthy value', () => {
     @Component({
       selector: 'test',
-      standalone: true,
       imports: [forwardRef(() => null)],
       template: '',
     })
@@ -618,7 +591,6 @@ describe('standalone components, directives, and pipes', () => {
 
     @Component({
       selector: 'standalone',
-      standalone: true,
       template: '',
       imports: [NonStandaloneCmp],
     })
@@ -640,7 +612,6 @@ describe('standalone components, directives, and pipes', () => {
 
     @Component({
       selector: 'standalone',
-      standalone: true,
       template: '',
       imports: [NonStandaloneDirective],
     })
@@ -662,7 +633,6 @@ describe('standalone components, directives, and pipes', () => {
 
     @Component({
       selector: 'standalone',
-      standalone: true,
       template: '',
       imports: [NonStandalonePipe],
     })
@@ -680,7 +650,6 @@ describe('standalone components, directives, and pipes', () => {
 
     @Component({
       selector: 'standalone',
-      standalone: true,
       template: '',
       imports: [SthElse],
     })
@@ -705,7 +674,6 @@ describe('standalone components, directives, and pipes', () => {
     }
 
     @Component({
-      standalone: true,
       template: '',
       // we need to import a module with a provider in a nested array since module with providers
       // are disallowed on the type level
@@ -723,13 +691,12 @@ describe('standalone components, directives, and pipes', () => {
   it('should support forwardRef imports', () => {
     @Component({
       selector: 'test',
-      standalone: true,
       imports: [forwardRef(() => StandaloneComponent)],
       template: `(<other-standalone></other-standalone>)`,
     })
     class TestComponent {}
 
-    @Component({selector: 'other-standalone', standalone: true, template: `standalone component`})
+    @Component({selector: 'other-standalone', template: `standalone component`})
     class StandaloneComponent {}
 
     const fixture = TestBed.createComponent(TestComponent);
@@ -740,7 +707,6 @@ describe('standalone components, directives, and pipes', () => {
   describe('schemas', () => {
     it('should allow schemas in standalone component', () => {
       @Component({
-        standalone: true,
         template: '<maybe-custom-elm></maybe-custom-elm>',
         schemas: [NO_ERRORS_SCHEMA],
       })
@@ -778,7 +744,6 @@ describe('standalone components, directives, and pipes', () => {
     it('should warn the user when an unknown element is present', () => {
       const spy = spyOn(console, 'error');
       @Component({
-        standalone: true,
         template: '<unknown-tag></unknown-tag>',
       })
       class AppCmp {}
@@ -792,7 +757,6 @@ describe('standalone components, directives, and pipes', () => {
     it('should warn the user when multiple unknown elements are present', () => {
       const spy = spyOn(console, 'error');
       @Component({
-        standalone: true,
         template: '<unknown-tag-A></unknown-tag-A><unknown-tag-B></unknown-tag-B>',
       })
       class AppCmp {}
@@ -809,7 +773,6 @@ describe('standalone components, directives, and pipes', () => {
     it('should not warn the user when an unknown element is present inside an ng-template', () => {
       const spy = spyOn(console, 'error');
       @Component({
-        standalone: true,
         template: '<ng-template><unknown-tag></unknown-tag><ng-template>',
       })
       class AppCmp {}
@@ -822,7 +785,6 @@ describe('standalone components, directives, and pipes', () => {
     it('should warn the user when an unknown element is present in an instantiated embedded view', () => {
       const spy = spyOn(console, 'error');
       @Component({
-        standalone: true,
         template: '<ng-template [ngIf]="true"><unknown-tag></unknown-tag><ng-template>',
         imports: [CommonModule],
       })
@@ -859,7 +821,7 @@ describe('standalone components, directives, and pipes', () => {
         @Input() in: string | undefined;
       }
 
-      @Component({selector: 'standalone', template: 'standalone: {{in}}', standalone: true})
+      @Component({selector: 'standalone', template: 'standalone: {{in}}'})
       class StandaloneCmp extends RegularCmp {}
 
       const fixture = TestBed.createComponent(StandaloneCmp);
@@ -869,7 +831,7 @@ describe('standalone components, directives, and pipes', () => {
     });
 
     it('should allow extending a regular component and turn it into a standalone one', () => {
-      @Component({selector: 'standalone', template: 'standalone: {{in}}', standalone: true})
+      @Component({selector: 'standalone', template: 'standalone: {{in}}'})
       class StandaloneCmp {
         @Input() in: string | undefined;
       }
@@ -891,13 +853,11 @@ describe('standalone components, directives, and pipes', () => {
       @Component({
         selector: 'inner',
         template: 'inner',
-        standalone: true,
       })
       class InnerCmp {}
 
       @Component({
         selector: 'standalone',
-        standalone: true,
         template: 'standalone: {{in}}; (<inner></inner>)',
         imports: [InnerCmp],
       })
@@ -929,7 +889,7 @@ describe('standalone components, directives, and pipes', () => {
     });
 
     it('should return `true` if component is standalone (with `standalone:true`)', () => {
-      @Component({selector: 'standalone-cmp', standalone: true})
+      @Component({selector: 'standalone-cmp'})
       class StandaloneCmp {}
 
       expect(isStandalone(StandaloneCmp)).toBeTrue();
@@ -943,7 +903,7 @@ describe('standalone components, directives, and pipes', () => {
     });
 
     it('should return `true` if directive is standalone', () => {
-      @Directive({selector: '[standaloneDir]', standalone: true})
+      @Directive({selector: '[standaloneDir]'})
       class StandAloneDirective {}
 
       expect(isStandalone(StandAloneDirective)).toBeTrue();
@@ -957,7 +917,7 @@ describe('standalone components, directives, and pipes', () => {
     });
 
     it('should return `true` if pipe is standalone', () => {
-      @Pipe({name: 'standalonePipe', standalone: true})
+      @Pipe({name: 'standalonePipe'})
       class StandAlonePipe {}
 
       expect(isStandalone(StandAlonePipe)).toBeTrue();
@@ -986,7 +946,6 @@ describe('standalone components, directives, and pipes', () => {
     it('should render a recursive cycle of standalone components', () => {
       @Component({
         selector: 'cmp-a',
-        standalone: true,
         template: '<ng-template [ngIf]="false"><cmp-c></cmp-c></ng-template>A',
         imports: [forwardRef(() => StandaloneCmpC)],
       })
@@ -994,7 +953,6 @@ describe('standalone components, directives, and pipes', () => {
 
       @Component({
         selector: 'cmp-b',
-        standalone: true,
         template: '(<cmp-a></cmp-a>)B',
         imports: [StandaloneCmpA],
       })
@@ -1002,7 +960,6 @@ describe('standalone components, directives, and pipes', () => {
 
       @Component({
         selector: 'cmp-c',
-        standalone: true,
         template: '(<cmp-b></cmp-b>)C',
         imports: [StandaloneCmpB],
       })
diff --git a/packages/core/test/acceptance/styling_spec.ts b/packages/core/test/acceptance/styling_spec.ts
index e5447a4aa36..6555e6f958d 100644
--- a/packages/core/test/acceptance/styling_spec.ts
+++ b/packages/core/test/acceptance/styling_spec.ts
@@ -331,7 +331,6 @@ describe('styling', () => {
     it('should allow null in a class array binding', () => {
       @Component({
         template: `<div [class]="['a', null, 'c']" [class.extra]="true"></div>`,
-        standalone: true,
       })
       class Cmp {}
 
@@ -344,7 +343,6 @@ describe('styling', () => {
     it('should allow undefined in a class array binding', () => {
       @Component({
         template: `<div [class]="['a', undefined, 'c']" [class.extra]="true"></div>`,
-        standalone: true,
       })
       class Cmp {}
 
@@ -357,7 +355,6 @@ describe('styling', () => {
     it('should allow zero in a class array binding', () => {
       @Component({
         template: `<div [class]="['a', 0, 'c']" [class.extra]="true"></div>`,
-        standalone: true,
       })
       class Cmp {}
 
@@ -370,7 +367,6 @@ describe('styling', () => {
     it('should allow false in a class array binding', () => {
       @Component({
         template: `<div [class]="['a', false, 'c']" [class.extra]="true"></div>`,
-        standalone: true,
       })
       class Cmp {}
 
@@ -383,7 +379,6 @@ describe('styling', () => {
     it('should ignore an empty string in a class array binding', () => {
       @Component({
         template: `<div [class]="['a', '', 'c']" [class.extra]="true"></div>`,
-        standalone: true,
       })
       class Cmp {}
 
@@ -396,7 +391,6 @@ describe('styling', () => {
     it('should ignore a string containing spaces in a class array binding', () => {
       @Component({
         template: `<div [class]="['a', 'hello there', 'c']" [class.extra]="true"></div>`,
-        standalone: true,
       })
       class Cmp {}
 
@@ -409,7 +403,6 @@ describe('styling', () => {
     it('should ignore a string containing spaces in a class object literal binding', () => {
       @Component({
         template: `<div [class]="{a: true, 'hello there': true, c: true}" [class.extra]="true"></div>`,
-        standalone: true,
       })
       class Cmp {}
 
@@ -422,7 +415,6 @@ describe('styling', () => {
     it('should ignore an object literal in a class array binding', () => {
       @Component({
         template: `<div [class]="['a', {foo: true}, 'c']" [class.extra]="true"></div>`,
-        standalone: true,
       })
       class Cmp {}
 
@@ -435,7 +427,6 @@ describe('styling', () => {
     it('should handle a string array in a class array binding', () => {
       @Component({
         template: `<div [class]="['a', ['foo', 'bar'], 'c']" [class.extra]="true"></div>`,
-        standalone: true,
       })
       class Cmp {}
 
diff --git a/packages/core/test/application_ref_spec.ts b/packages/core/test/application_ref_spec.ts
index 6c49eec9afe..531e6bcf77e 100644
--- a/packages/core/test/application_ref_spec.ts
+++ b/packages/core/test/application_ref_spec.ts
@@ -744,7 +744,6 @@ describe('bootstrap', () => {
       @Component({
         template: '',
         host: {'[class]': 'clazz'},
-        standalone: true,
         changeDetection: ChangeDetectionStrategy.OnPush,
       })
       class HostBindingComp {
diff --git a/packages/core/test/change_detection_scheduler_spec.ts b/packages/core/test/change_detection_scheduler_spec.ts
index 82cf6ecf8a4..f5e46ee2bd1 100644
--- a/packages/core/test/change_detection_scheduler_spec.ts
+++ b/packages/core/test/change_detection_scheduler_spec.ts
@@ -74,7 +74,7 @@ describe('Angular with zoneless enabled', () => {
   describe('notifies scheduler', () => {
     it('contributes to application stableness', async () => {
       const val = signal('initial');
-      @Component({template: '{{val()}}', standalone: true})
+      @Component({template: '{{val()}}'})
       class TestComponent {
         val = val;
       }
@@ -92,7 +92,7 @@ describe('Angular with zoneless enabled', () => {
 
     it('when signal updates', async () => {
       const val = signal('initial');
-      @Component({template: '{{val()}}', standalone: true})
+      @Component({template: '{{val()}}'})
       class TestComponent {
         val = val;
       }
@@ -107,7 +107,7 @@ describe('Angular with zoneless enabled', () => {
     });
 
     it('when using markForCheck()', async () => {
-      @Component({template: '{{val}}', standalone: true})
+      @Component({template: '{{val}}'})
       class TestComponent {
         cdr = inject(ChangeDetectorRef);
         val = 'initial';
@@ -127,7 +127,7 @@ describe('Angular with zoneless enabled', () => {
     });
 
     it('on input binding', async () => {
-      @Component({template: '{{val}}', standalone: true})
+      @Component({template: '{{val}}'})
       class TestComponent {
         @Input() val = 'initial';
       }
@@ -142,7 +142,7 @@ describe('Angular with zoneless enabled', () => {
     });
 
     it('on event listener bound in template', async () => {
-      @Component({template: '<div (click)="updateVal()">{{val}}</div>', standalone: true})
+      @Component({template: '<div (click)="updateVal()">{{val}}</div>'})
       class TestComponent {
         val = 'initial';
 
@@ -163,7 +163,7 @@ describe('Angular with zoneless enabled', () => {
     });
 
     it('on event listener bound in host', async () => {
-      @Component({host: {'(click)': 'updateVal()'}, template: '{{val}}', standalone: true})
+      @Component({host: {'(click)': 'updateVal()'}, template: '{{val}}'})
       class TestComponent {
         val = 'initial';
 
@@ -182,7 +182,7 @@ describe('Angular with zoneless enabled', () => {
     });
 
     it('with async pipe', async () => {
-      @Component({template: '{{val | async}}', standalone: true, imports: [AsyncPipe]})
+      @Component({template: '{{val | async}}', imports: [AsyncPipe]})
       class TestComponent {
         val = new BehaviorSubject('initial');
       }
@@ -199,7 +199,6 @@ describe('Angular with zoneless enabled', () => {
     it('when creating a view', async () => {
       @Component({
         template: '<ng-template #ref>{{"binding"}}</ng-template>',
-        standalone: true,
       })
       class TestComponent {
         @ViewChild(TemplateRef) template!: TemplateRef<unknown>;
@@ -221,14 +220,12 @@ describe('Angular with zoneless enabled', () => {
     it('when inserting a view', async () => {
       @Component({
         template: '{{"binding"}}',
-        standalone: true,
       })
       class DynamicCmp {
         elementRef = inject(ElementRef);
       }
       @Component({
         template: '<ng-template #ref></ng-template>',
-        standalone: true,
       })
       class TestComponent {
         @ViewChild('ref', {read: ViewContainerRef}) viewContainer!: ViewContainerRef;
@@ -248,14 +245,12 @@ describe('Angular with zoneless enabled', () => {
     it('when destroying a view (with animations)', async () => {
       @Component({
         template: '{{"binding"}}',
-        standalone: true,
       })
       class DynamicCmp {
         elementRef = inject(ElementRef);
       }
       @Component({
         template: '<ng-template #ref></ng-template>',
-        standalone: true,
       })
       class TestComponent {
         @ViewChild('ref', {read: ViewContainerRef}) viewContainer!: ViewContainerRef;
@@ -296,7 +291,6 @@ describe('Angular with zoneless enabled', () => {
         let renderHookCalls = 0;
         @Component({
           template: '{{"binding"}}',
-          standalone: true,
         })
         class DynamicCmp {
           elementRef = inject(ElementRef);
@@ -304,7 +298,6 @@ describe('Angular with zoneless enabled', () => {
         @Component({
           selector: 'app',
           template: '<ng-template #ref></ng-template>',
-          standalone: true,
         })
         class App {
           @ViewChild('ref', {read: ViewContainerRef}) viewContainer!: ViewContainerRef;
@@ -354,7 +347,6 @@ describe('Angular with zoneless enabled', () => {
       @Component({
         selector: 'dynamic-cmp',
         template: '{{"binding"}}',
-        standalone: true,
       })
       class DynamicCmp {
         elementRef = inject(ElementRef);
@@ -385,7 +377,7 @@ describe('Angular with zoneless enabled', () => {
 
     it('when a stable subscription synchronously causes another notification', async () => {
       const val = signal('initial');
-      @Component({template: '{{val()}}', standalone: true})
+      @Component({template: '{{val()}}'})
       class TestComponent {
         val = val;
       }
@@ -422,7 +414,6 @@ describe('Angular with zoneless enabled', () => {
       let checks = 0;
       @Component({
         template: '',
-        standalone: true,
       })
       class Dummy {
         ngDoCheck() {
@@ -452,7 +443,7 @@ describe('Angular with zoneless enabled', () => {
   it('can recover when an error is re-thrown by the ErrorHandler', async () => {
     const val = signal('initial');
     let throwError = false;
-    @Component({template: '{{val()}}{{maybeThrow()}}', standalone: true})
+    @Component({template: '{{val()}}{{maybeThrow()}}'})
     class TestComponent {
       val = val;
       maybeThrow() {
@@ -494,7 +485,6 @@ describe('Angular with zoneless enabled', () => {
   it('change detects embedded view when attached to a host on ApplicationRef and declaration is marked for check', async () => {
     @Component({
       template: '<ng-template #template><div>{{thing}}</div></ng-template>',
-      standalone: true,
     })
     class DynamicCmp {
       @ViewChild('template') templateRef!: TemplateRef<{}>;
@@ -502,7 +492,6 @@ describe('Angular with zoneless enabled', () => {
     }
     @Component({
       template: '',
-      standalone: true,
     })
     class Host {
       readonly vcr = inject(ViewContainerRef);
@@ -527,7 +516,6 @@ describe('Angular with zoneless enabled', () => {
   it('change detects embedded view when attached directly to ApplicationRef and declaration is marked for check', async () => {
     @Component({
       template: '<ng-template #template><div>{{thing}}</div></ng-template>',
-      standalone: true,
     })
     class DynamicCmp {
       @ViewChild('template') templateRef!: TemplateRef<{}>;
@@ -549,7 +537,7 @@ describe('Angular with zoneless enabled', () => {
   });
 
   it('does not fail when global timing functions are patched and unpatched', async () => {
-    @Component({template: '', standalone: true})
+    @Component({template: ''})
     class App {
       cdr = inject(ChangeDetectorRef);
     }
@@ -582,7 +570,7 @@ describe('Angular with zoneless enabled', () => {
         changeDetectionRuns++;
       });
     });
-    @Component({template: '', standalone: true})
+    @Component({template: ''})
     class MyComponent {
       cdr = inject(ChangeDetectorRef);
     }
@@ -606,7 +594,6 @@ describe('Angular with zoneless enabled', () => {
     }
     @Component({
       template: '{{thing}}',
-      standalone: true,
     })
     class App {
       thing = 'initial';
@@ -631,7 +618,6 @@ describe('Angular with zoneless enabled', () => {
     };
     @Component({
       template: '',
-      standalone: true,
     })
     class App {
       cdr = inject(ChangeDetectorRef);
@@ -654,7 +640,7 @@ describe('Angular with zoneless enabled', () => {
 
   it('runs inside fakeAsync zone', fakeAsync(() => {
     let didRun = false;
-    @Component({standalone: true, template: ''})
+    @Component({template: ''})
     class App {
       ngOnInit() {
         didRun = true;
@@ -675,7 +661,7 @@ describe('Angular with zoneless enabled', () => {
 
   it('can run inside fakeAsync zone', fakeAsync(() => {
     let didRun = false;
-    @Component({standalone: true, template: ''})
+    @Component({template: ''})
     class App {
       ngDoCheck() {
         didRun = true;
@@ -708,7 +694,7 @@ describe('Angular with scheduler and ZoneJS', () => {
     TestBed.configureTestingModule({
       providers: [provideZoneChangeDetection({ignoreChangesOutsideZone: true})],
     });
-    @Component({template: '{{thing()}}', standalone: true})
+    @Component({template: '{{thing()}}'})
     class App {
       thing = signal('initial');
     }
@@ -733,13 +719,12 @@ describe('Angular with scheduler and ZoneJS', () => {
       });
     });
 
-    @Component({selector: 'component-with-output', template: '', standalone: true})
+    @Component({selector: 'component-with-output', template: ''})
     class ComponentWithOutput {
       @Output() out = new EventEmitter();
     }
     let called = false;
     @Component({
-      standalone: true,
       imports: [ComponentWithOutput],
       template: '<component-with-output (out)="onOut()" />',
     })
@@ -764,7 +749,7 @@ describe('Angular with scheduler and ZoneJS', () => {
   });
 
   it('updating signal outside of zone still schedules update when in hybrid mode', async () => {
-    @Component({template: '{{thing()}}', standalone: true})
+    @Component({template: '{{thing()}}'})
     class App {
       thing = signal('initial');
     }
@@ -782,7 +767,7 @@ describe('Angular with scheduler and ZoneJS', () => {
   });
 
   it('updating signal in another "Angular" zone schedules update when in hybrid mode', async () => {
-    @Component({template: '{{thing()}}', standalone: true})
+    @Component({template: '{{thing()}}'})
     class App {
       thing = signal('initial');
     }
@@ -801,7 +786,7 @@ describe('Angular with scheduler and ZoneJS', () => {
   });
 
   it('updating signal in a child zone of Angular does not schedule extra CD', async () => {
-    @Component({template: '{{thing()}}', standalone: true})
+    @Component({template: '{{thing()}}'})
     class App {
       thing = signal('initial');
     }
@@ -818,7 +803,7 @@ describe('Angular with scheduler and ZoneJS', () => {
   });
 
   it('updating signal in a child Angular zone of Angular does not schedule extra CD', async () => {
-    @Component({template: '{{thing()}}', standalone: true})
+    @Component({template: '{{thing()}}'})
     class App {
       thing = signal('initial');
     }
@@ -848,7 +833,7 @@ describe('Angular with scheduler and ZoneJS', () => {
         changeDetectionRuns++;
       });
     });
-    @Component({template: '', standalone: true})
+    @Component({template: ''})
     class MyComponent {
       cdr = inject(ChangeDetectorRef);
       ngDoCheck() {
@@ -878,7 +863,7 @@ describe('Angular with scheduler and ZoneJS', () => {
         provideZoneChangeDetection({runCoalescing: true, ignoreChangesOutsideZone: false}),
       ],
     });
-    @Component({template: '{{thing()}}', standalone: true})
+    @Component({template: '{{thing()}}'})
     class App {
       thing = signal('initial');
     }
@@ -906,7 +891,7 @@ describe('Angular with scheduler and ZoneJS', () => {
         provideZoneChangeDetection({runCoalescing: true, ignoreChangesOutsideZone: false}),
       ],
     });
-    @Component({template: '{{thing()}}', standalone: true})
+    @Component({template: '{{thing()}}'})
     class App {
       thing = signal('initial');
     }
@@ -932,7 +917,7 @@ describe('Angular with scheduler and ZoneJS', () => {
       providers: [provideZoneChangeDetection({scheduleInRootZone: false} as any)],
     });
     let didRun = false;
-    @Component({standalone: true, template: ''})
+    @Component({template: ''})
     class App {
       ngDoCheck() {
         didRun = true;
diff --git a/packages/core/test/component_fixture_spec.ts b/packages/core/test/component_fixture_spec.ts
index eba34586f57..5c5053fc97e 100644
--- a/packages/core/test/component_fixture_spec.ts
+++ b/packages/core/test/component_fixture_spec.ts
@@ -43,14 +43,12 @@ class SimpleComp {
 
 @Component({
   selector: 'deferred-comp',
-  standalone: true,
   template: `<div>Deferred Component</div>`,
 })
 class DeferredComp {}
 
 @Component({
   selector: 'second-deferred-comp',
-  standalone: true,
   template: `<div>More Deferred Component</div>`,
 })
 class SecondDeferredComp {}
@@ -363,7 +361,6 @@ describe('ComponentFixture', () => {
   it('throws errors that happen during detectChanges', () => {
     @Component({
       template: '',
-      standalone: true,
     })
     class App {
       ngOnInit() {
@@ -378,7 +375,6 @@ describe('ComponentFixture', () => {
   describe('errors during ApplicationRef.tick', () => {
     @Component({
       template: '',
-      standalone: true,
     })
     class ThrowingThing {
       ngOnInit() {
@@ -387,7 +383,6 @@ describe('ComponentFixture', () => {
     }
     @Component({
       template: '',
-      standalone: true,
     })
     class Blank {}
 
@@ -417,7 +412,6 @@ describe('ComponentFixture', () => {
     it('should return all defer blocks in the component', async () => {
       @Component({
         selector: 'defer-comp',
-        standalone: true,
         imports: [DeferredComp, SecondDeferredComp],
         template: `<div>
             @defer (on immediate) {
@@ -472,7 +466,6 @@ describe('ComponentFixture', () => {
     it('throws errors that happen during detectChanges', () => {
       @Component({
         template: '',
-        standalone: true,
       })
       class App {
         ngOnInit() {
@@ -544,7 +537,7 @@ describe('ComponentFixture with zoneless', () => {
   });
 
   it('will not refresh CheckAlways views when detectChanges is called if not marked dirty', () => {
-    @Component({standalone: true, template: '{{signalThing()}}|{{regularThing}}'})
+    @Component({template: '{{signalThing()}}|{{regularThing}}'})
     class CheckAlwaysCmp {
       regularThing = 'initial';
       signalThing = signal('initial');
@@ -566,7 +559,6 @@ describe('ComponentFixture with zoneless', () => {
   it('throws errors that happen during detectChanges', () => {
     @Component({
       template: '',
-      standalone: true,
     })
     class App {
       ngOnInit() {
@@ -581,7 +573,6 @@ describe('ComponentFixture with zoneless', () => {
   it('rejects whenStable promise when errors happen during detectChanges', async () => {
     @Component({
       template: '',
-      standalone: true,
     })
     class App {
       ngOnInit() {
@@ -596,7 +587,6 @@ describe('ComponentFixture with zoneless', () => {
   it('can disable checkNoChanges', () => {
     @Component({
       template: '{{thing}}',
-      standalone: true,
     })
     class App {
       thing = 1;
@@ -614,7 +604,6 @@ describe('ComponentFixture with zoneless', () => {
   it('runs change detection when autoDetect is false', () => {
     @Component({
       template: '{{thing()}}',
-      standalone: true,
     })
     class App {
       thing = signal(1);
diff --git a/packages/core/test/defer_fixture_spec.ts b/packages/core/test/defer_fixture_spec.ts
index 9a84c8c26a8..4f2340c1110 100644
--- a/packages/core/test/defer_fixture_spec.ts
+++ b/packages/core/test/defer_fixture_spec.ts
@@ -13,7 +13,6 @@ import {expect} from '@angular/platform-browser/testing/src/matchers';
 
 @Component({
   selector: 'second-deferred-comp',
-  standalone: true,
   template: `<div class="more">More Deferred Component</div>`,
 })
 class SecondDeferredComp {}
@@ -24,7 +23,6 @@ describe('DeferFixture', () => {
   it('should start in manual behavior mode', async () => {
     @Component({
       selector: 'defer-comp',
-      standalone: true,
       imports: [SecondDeferredComp],
       template: `
         <div>
@@ -51,7 +49,6 @@ describe('DeferFixture', () => {
   it('should start in manual trigger mode by default', async () => {
     @Component({
       selector: 'defer-comp',
-      standalone: true,
       imports: [SecondDeferredComp],
       template: `
         <div>
@@ -76,7 +73,6 @@ describe('DeferFixture', () => {
   it('should defer load immediately on playthrough', async () => {
     @Component({
       selector: 'defer-comp',
-      standalone: true,
       imports: [SecondDeferredComp],
       template: `
         <div>
@@ -110,7 +106,6 @@ describe('DeferFixture', () => {
   it('should not defer load immediately when set to manual', async () => {
     @Component({
       selector: 'defer-comp',
-      standalone: true,
       imports: [SecondDeferredComp],
       template: `
         <div>
@@ -145,7 +140,6 @@ describe('DeferFixture', () => {
   it('should render a completed defer state', async () => {
     @Component({
       selector: 'defer-comp',
-      standalone: true,
       imports: [SecondDeferredComp],
       template: `
         <div>
@@ -173,7 +167,6 @@ describe('DeferFixture', () => {
   it('should not wait forever if application is unstable for a long time', async () => {
     @Component({
       selector: 'defer-comp',
-      standalone: true,
       imports: [SecondDeferredComp],
       template: `
         <div>
@@ -206,7 +199,6 @@ describe('DeferFixture', () => {
   it('should work with templates that have local refs', async () => {
     @Component({
       selector: 'defer-comp',
-      standalone: true,
       imports: [SecondDeferredComp],
       template: `
         <ng-template #template>Hello</ng-template>
@@ -235,7 +227,6 @@ describe('DeferFixture', () => {
   it('should render a placeholder defer state', async () => {
     @Component({
       selector: 'defer-comp',
-      standalone: true,
       imports: [SecondDeferredComp],
       template: `
         <div>
@@ -268,7 +259,6 @@ describe('DeferFixture', () => {
   it('should render a loading defer state', async () => {
     @Component({
       selector: 'defer-comp',
-      standalone: true,
       imports: [SecondDeferredComp],
       template: `
         <div>
@@ -301,7 +291,6 @@ describe('DeferFixture', () => {
   it('should render an error defer state', async () => {
     @Component({
       selector: 'defer-comp',
-      standalone: true,
       imports: [SecondDeferredComp],
       template: `
         <div>
@@ -334,7 +323,6 @@ describe('DeferFixture', () => {
   it('should throw when rendering a template that does not exist', async () => {
     @Component({
       selector: 'defer-comp',
-      standalone: true,
       imports: [SecondDeferredComp],
       template: `
         <div>
@@ -367,7 +355,6 @@ describe('DeferFixture', () => {
   it('should transition between states when `after` and `minimum` are used', async () => {
     @Component({
       selector: 'defer-comp',
-      standalone: true,
       imports: [SecondDeferredComp],
       template: `
         <div>
@@ -405,7 +392,6 @@ describe('DeferFixture', () => {
   it('should get child defer blocks', async () => {
     @Component({
       selector: 'deferred-comp',
-      standalone: true,
       imports: [SecondDeferredComp],
       template: `
         <div>
@@ -419,7 +405,6 @@ describe('DeferFixture', () => {
 
     @Component({
       selector: 'defer-comp',
-      standalone: true,
       imports: [DeferredComp],
       template: `
         <div>
diff --git a/packages/core/test/render3/change_detection_spec.ts b/packages/core/test/render3/change_detection_spec.ts
index 9ce5047f7c2..f5d0f8d9d08 100644
--- a/packages/core/test/render3/change_detection_spec.ts
+++ b/packages/core/test/render3/change_detection_spec.ts
@@ -18,7 +18,6 @@ describe('change detection', () => {
       const log: string[] = [];
       @Component({
         selector: 'my-comp',
-        standalone: true,
         template: '{{ value }}',
       })
       class MyComponent {
diff --git a/packages/core/test/render3/component_ref_spec.ts b/packages/core/test/render3/component_ref_spec.ts
index 87593e9c671..01ead2d2f17 100644
--- a/packages/core/test/render3/component_ref_spec.ts
+++ b/packages/core/test/render3/component_ref_spec.ts
@@ -48,7 +48,6 @@ describe('ComponentFactory', () => {
     it('should correctly populate default properties', () => {
       @Component({
         selector: 'test[foo], bar',
-        standalone: true,
         template: '',
       })
       class TestComponent {}
@@ -67,7 +66,6 @@ describe('ComponentFactory', () => {
 
       @Component({
         selector: 'test[foo], bar',
-        standalone: true,
         template: `
           <ng-content></ng-content>
           <ng-content select="a"></ng-content>
@@ -407,7 +405,6 @@ describe('ComponentFactory', () => {
       let log: string[] = [];
       @Component({
         template: `{{in}}`,
-        standalone: true,
       })
       class DynamicCmp {
         @Input()
@@ -429,7 +426,6 @@ describe('ComponentFactory', () => {
     it('marks parents dirty so component is not "shielded" by a non-dirty OnPush parent', () => {
       @Component({
         template: `{{input}}`,
-        standalone: true,
         selector: 'dynamic',
       })
       class DynamicCmp {
@@ -438,7 +434,6 @@ describe('ComponentFactory', () => {
 
       @Component({
         template: '<ng-template #template></ng-template>',
-        standalone: true,
         imports: [DynamicCmp],
         changeDetection: ChangeDetectionStrategy.OnPush,
       })
diff --git a/packages/core/test/render3/deps_tracker_spec.ts b/packages/core/test/render3/deps_tracker_spec.ts
index ff95c028ce1..1c47ae4c369 100644
--- a/packages/core/test/render3/deps_tracker_spec.ts
+++ b/packages/core/test/render3/deps_tracker_spec.ts
@@ -212,13 +212,13 @@ describe('runtime dependency tracker', () => {
       });
 
       it('should contain imported standalone components/directive/pipes in compilation scope', () => {
-        @Directive({standalone: true})
+        @Directive()
         class Directive1 {}
 
-        @Pipe({name: 'pipe1', standalone: true})
+        @Pipe({name: 'pipe1'})
         class Pipe1 {}
 
-        @Component({standalone: true})
+        @Component({})
         class Component1 {}
 
         @NgModule({
@@ -331,7 +331,7 @@ describe('runtime dependency tracker', () => {
       });
 
       it('should poison the compilation scope if a standalone component is declared', () => {
-        @Component({standalone: true})
+        @Component({})
         class Component1 {}
 
         @NgModule({
@@ -487,7 +487,7 @@ describe('runtime dependency tracker', () => {
         @NgModule({imports: [forwardRef(() => Component1)]})
         class MainModule {}
 
-        @Component({standalone: true})
+        @Component({})
         class Component1 {}
 
         const ans = depsTracker.getNgModuleScope(MainModule as NgModuleType);
@@ -502,7 +502,7 @@ describe('runtime dependency tracker', () => {
         class MainModule {}
         (MainModule as NgModuleType).ɵmod = createNgModuleDef({imports: () => [Component1]});
 
-        @Component({standalone: true})
+        @Component({})
         class Component1 {}
 
         const ans = depsTracker.getNgModuleScope(MainModule as NgModuleType);
@@ -727,13 +727,13 @@ describe('runtime dependency tracker', () => {
     });
 
     it('should include the imported standalone component/directive/pipes in the compilation scope', () => {
-      @Component({standalone: true})
+      @Component({})
       class Component1 {}
 
-      @Directive({standalone: true})
+      @Directive()
       class Directive1 {}
 
-      @Pipe({name: 'pipe1', standalone: true})
+      @Pipe({name: 'pipe1'})
       class Pipe1 {}
 
       class MainComponent {}
@@ -752,13 +752,13 @@ describe('runtime dependency tracker', () => {
     });
 
     it('should include the imported standalone component/directive/pipes in the compilation scope - nested array case', () => {
-      @Component({standalone: true})
+      @Component({})
       class Component1 {}
 
-      @Directive({standalone: true})
+      @Directive()
       class Directive1 {}
 
-      @Pipe({name: 'pipe1', standalone: true})
+      @Pipe({name: 'pipe1'})
       class Pipe1 {}
 
       class MainComponent {}
@@ -873,13 +873,13 @@ describe('runtime dependency tracker', () => {
     });
 
     it('should resolve the imported forward refs and include them in the compilation scope', () => {
-      @Component({standalone: true})
+      @Component({})
       class Component1 {}
 
-      @Directive({standalone: true})
+      @Directive()
       class Directive1 {}
 
-      @Pipe({name: 'pipe1', standalone: true})
+      @Pipe({name: 'pipe1'})
       class Pipe1 {}
 
       @Component({
@@ -924,13 +924,13 @@ describe('runtime dependency tracker', () => {
     });
 
     it('should resolve the imported forward refs and include them in the compilation scope - case of nested array imports', () => {
-      @Component({standalone: true})
+      @Component({})
       class Component1 {}
 
-      @Directive({standalone: true})
+      @Directive()
       class Directive1 {}
 
-      @Pipe({name: 'pipe1', standalone: true})
+      @Pipe({name: 'pipe1'})
       class Pipe1 {}
 
       @Component({
@@ -975,13 +975,13 @@ describe('runtime dependency tracker', () => {
     });
 
     it('should cache the computed scopes', () => {
-      @Component({standalone: true})
+      @Component({})
       class Component1 {}
 
-      @Directive({standalone: true})
+      @Directive()
       class Directive1 {}
 
-      @Pipe({name: 'pipe1', standalone: true})
+      @Pipe({name: 'pipe1'})
       class Pipe1 {}
 
       class MainComponent {}
@@ -1008,13 +1008,13 @@ describe('runtime dependency tracker', () => {
     });
 
     it('should clear the cache correctly', () => {
-      @Component({standalone: true})
+      @Component({})
       class Component1 {}
 
-      @Directive({standalone: true})
+      @Directive()
       class Directive1 {}
 
-      @Pipe({name: 'pipe1', standalone: true})
+      @Pipe({name: 'pipe1'})
       class Pipe1 {}
 
       @Component({
@@ -1157,7 +1157,7 @@ describe('runtime dependency tracker', () => {
 
     describe('for standalone component', () => {
       it('should always return self (even if component has empty imports)', () => {
-        @Component({standalone: true})
+        @Component({})
         class MainComponent {}
 
         const ans = depsTracker.getComponentDependencies(MainComponent as ComponentType<any>);
@@ -1166,16 +1166,16 @@ describe('runtime dependency tracker', () => {
       });
 
       it('should include imported standalone component/directive/pipe', () => {
-        @Component({standalone: true})
+        @Component({})
         class Component1 {}
 
-        @Directive({standalone: true})
+        @Directive()
         class Directive1 {}
 
-        @Pipe({name: 'pipe1', standalone: true})
+        @Pipe({name: 'pipe1'})
         class Pipe1 {}
 
-        @Component({standalone: true})
+        @Component({})
         class MainComponent {}
 
         const ans = depsTracker.getComponentDependencies(MainComponent as ComponentType<any>, [
@@ -1190,16 +1190,16 @@ describe('runtime dependency tracker', () => {
       });
 
       it('should include imported forward ref standalone component/directive/pipe', () => {
-        @Component({standalone: true})
+        @Component({})
         class Component1 {}
 
-        @Directive({standalone: true})
+        @Directive()
         class Directive1 {}
 
-        @Pipe({name: 'pipe1', standalone: true})
+        @Pipe({name: 'pipe1'})
         class Pipe1 {}
 
-        @Component({standalone: true})
+        @Component({})
         class MainComponent {}
 
         const ans = depsTracker.getComponentDependencies(MainComponent as ComponentType<any>, [
@@ -1230,7 +1230,7 @@ describe('runtime dependency tracker', () => {
         })
         class Pipe1 {}
 
-        @Component({standalone: true})
+        @Component({})
         class MainComponent {}
 
         const ans = depsTracker.getComponentDependencies(MainComponent as ComponentType<any>, [
@@ -1264,7 +1264,7 @@ describe('runtime dependency tracker', () => {
         })
         class SubModule {}
 
-        @Component({standalone: true})
+        @Component({})
         class MainComponent {}
 
         const ans = depsTracker.getComponentDependencies(MainComponent as ComponentType<any>, [
@@ -1298,7 +1298,7 @@ describe('runtime dependency tracker', () => {
         })
         class SubModule {}
 
-        @Component({standalone: true})
+        @Component({})
         class MainComponent {}
 
         const ans = depsTracker.getComponentDependencies(MainComponent as ComponentType<any>, [
@@ -1311,10 +1311,10 @@ describe('runtime dependency tracker', () => {
       });
 
       it('should use cache for re-calculation', () => {
-        @Component({standalone: true})
+        @Component({})
         class Component1 {}
 
-        @Component({standalone: true})
+        @Component({})
         class MainComponent {}
 
         let ans = depsTracker.getComponentDependencies(MainComponent as ComponentType<any>, [
@@ -1347,9 +1347,7 @@ describe('runtime dependency tracker', () => {
     });
 
     it('should return false for standalone component', () => {
-      @Component({
-        standalone: true,
-      })
+      @Component({})
       class MainComponent {}
 
       expect(depsTracker.isOrphanComponent(MainComponent as ComponentType<any>)).toBeFalse();
diff --git a/packages/core/test/render3/di_spec.ts b/packages/core/test/render3/di_spec.ts
index d949a830750..3be8e877e61 100644
--- a/packages/core/test/render3/di_spec.ts
+++ b/packages/core/test/render3/di_spec.ts
@@ -26,10 +26,10 @@ describe('di', () => {
   describe('directive injection', () => {
     describe('flags', () => {
       it('should check only the current node with @Self even with false positive', () => {
-        @Directive({selector: '[notOnSelf]', standalone: true})
+        @Directive({selector: '[notOnSelf]'})
         class DirNotOnSelf {}
 
-        @Directive({selector: '[tryInjectFromSelf]', standalone: true})
+        @Directive({selector: '[tryInjectFromSelf]'})
         class DirTryInjectFromSelf {
           constructor(@Self() private dir: DirNotOnSelf) {}
         }
@@ -40,7 +40,6 @@ describe('di', () => {
               <div tryInjectFromSelf></div>
             </div>
           `,
-          standalone: true,
           imports: [DirNotOnSelf, DirTryInjectFromSelf],
         })
         class App {}
diff --git a/packages/core/test/render3/instructions_spec.ts b/packages/core/test/render3/instructions_spec.ts
index 09584f0a174..dd69b582ef7 100644
--- a/packages/core/test/render3/instructions_spec.ts
+++ b/packages/core/test/render3/instructions_spec.ts
@@ -158,7 +158,6 @@ describe('instructions', () => {
     it('should instantiate nodes at high indices', () => {
       @Component({
         selector: 'comp',
-        standalone: true,
         template: '{{ name }}',
       })
       class Comp {
@@ -323,7 +322,6 @@ describe('instructions', () => {
     it('should create tView only once for each nested level', () => {
       @Component({
         selector: 'nested-loops',
-        standalone: true,
         template: `
           <ul *ngFor="let row of rows">
             <li *ngFor="let col of row.cols">{{col}}</li>
diff --git a/packages/core/test/render3/integration_spec.ts b/packages/core/test/render3/integration_spec.ts
index dd5e42c6ad6..8eddaf92310 100644
--- a/packages/core/test/render3/integration_spec.ts
+++ b/packages/core/test/render3/integration_spec.ts
@@ -18,7 +18,6 @@ import {SecurityContext} from '../../src/sanitization/security';
 describe('element discovery', () => {
   it('should only monkey-patch immediate child nodes in a component', () => {
     @Component({
-      standalone: true,
       template: '<div><p></p></div>',
     })
     class StructuredComp {}
@@ -37,7 +36,6 @@ describe('element discovery', () => {
   it('should only monkey-patch immediate child nodes in a sub component', () => {
     @Component({
       selector: 'child-comp',
-      standalone: true,
       template: `
         <div></div>
         <div></div>
@@ -48,7 +46,6 @@ describe('element discovery', () => {
 
     @Component({
       selector: 'parent-comp',
-      standalone: true,
       imports: [ChildComp],
       template: `
         <section>
@@ -75,7 +72,6 @@ describe('element discovery', () => {
     @Component({
       selector: 'structured-comp',
       imports: [CommonModule],
-      standalone: true,
       template: `
         <section>
           <ng-container *ngIf="true">
@@ -111,7 +107,6 @@ describe('element discovery', () => {
   it('should return a context object from a given dom node', () => {
     @Component({
       selector: 'structured-comp',
-      standalone: true,
       template: `
         <section></section>
         <div></div>
@@ -140,7 +135,6 @@ describe('element discovery', () => {
   it('should cache the element context on a element was preemptively monkey-patched', () => {
     @Component({
       selector: 'structured-comp',
-      standalone: true,
       template: `
         <section></section>
       `,
@@ -165,7 +159,6 @@ describe('element discovery', () => {
   it("should cache the element context on an intermediate element that isn't preemptively monkey-patched", () => {
     @Component({
       selector: 'structured-comp',
-      standalone: true,
       template: `
             <section>
               <p></p>
@@ -191,7 +184,6 @@ describe('element discovery', () => {
   it('should be able to pull in element context data even if the element is decorated using styling', () => {
     @Component({
       selector: 'structured-comp',
-      standalone: true,
       template: `
             <section></section>
           `,
@@ -232,7 +224,6 @@ describe('element discovery', () => {
        */
     @Component({
       selector: 'projector-comp',
-      standalone: true,
       template: `
             welcome
             <header>
@@ -246,7 +237,6 @@ describe('element discovery', () => {
 
     @Component({
       selector: 'parent-comp',
-      standalone: true,
       imports: [ProjectorComp],
       template: `
             <section>
@@ -310,7 +300,6 @@ describe('element discovery', () => {
   it('should return `null` when an element context is retrieved that is a DOM node that was not created by Angular', () => {
     @Component({
       selector: 'structured-comp',
-      standalone: true,
       template: `
              <section></section>
            `,
@@ -331,7 +320,6 @@ describe('element discovery', () => {
   it('should by default monkey-patch the bootstrap component with context details', () => {
     @Component({
       selector: 'structured-comp',
-      standalone: true,
       template: ``,
     })
     class StructuredComp {}
@@ -365,7 +353,6 @@ describe('element discovery', () => {
 
     @Directive({
       selector: '[my-dir-1]',
-      standalone: true,
     })
     class MyDir1 {
       constructor() {
@@ -375,7 +362,6 @@ describe('element discovery', () => {
 
     @Directive({
       selector: '[my-dir-2]',
-      standalone: true,
     })
     class MyDir2 {
       constructor() {
@@ -385,7 +371,6 @@ describe('element discovery', () => {
 
     @Directive({
       selector: '[my-dir-3]',
-      standalone: true,
     })
     class MyDir3 {
       constructor() {
@@ -395,7 +380,6 @@ describe('element discovery', () => {
 
     @Component({
       selector: 'structured-comp',
-      standalone: true,
       imports: [MyDir1, MyDir2, MyDir3],
       template: `
             <div my-dir-1 my-dir-2></div>
@@ -453,7 +437,6 @@ describe('element discovery', () => {
 
     @Directive({
       selector: '[my-dir-1]',
-      standalone: true,
     })
     class MyDir1 {
       constructor() {
@@ -463,7 +446,6 @@ describe('element discovery', () => {
 
     @Directive({
       selector: '[my-dir-2]',
-      standalone: true,
     })
     class MyDir2 {
       constructor() {
@@ -473,7 +455,6 @@ describe('element discovery', () => {
 
     @Component({
       selector: 'child-comp',
-      standalone: true,
       template: `
              <div></div>
            `,
@@ -486,7 +467,6 @@ describe('element discovery', () => {
 
     @Component({
       selector: 'parent-comp',
-      standalone: true,
       imports: [ChildComp, MyDir1, MyDir2],
       template: `
              <child-comp my-dir-1 my-dir-2></child-comp>
@@ -541,7 +521,6 @@ describe('element discovery', () => {
   it('should monkey-patch sub components with the view data and then replace them with the context result once a lookup occurs', () => {
     @Component({
       selector: 'child-comp',
-      standalone: true,
       template: `
             <div></div>
             <div></div>
@@ -552,7 +531,6 @@ describe('element discovery', () => {
 
     @Component({
       selector: 'parent-comp',
-      standalone: true,
       imports: [ChildComp],
       template: `
             <section>
@@ -589,7 +567,6 @@ describe('sanitization', () => {
   it('should sanitize data using the provided sanitization interface', () => {
     @Component({
       selector: 'sanitize-this',
-      standalone: true,
       template: `
         <a [href]="href"></a>
       `,
@@ -632,7 +609,6 @@ describe('sanitization', () => {
 
     @Directive({
       selector: '[unsafeUrlHostBindingDir]',
-      standalone: true,
     })
     class UnsafeUrlHostBindingDir {
       @HostBinding() cite: any = 'http://cite-dir-value';
@@ -644,7 +620,6 @@ describe('sanitization', () => {
 
     @Component({
       selector: 'sanitize-this',
-      standalone: true,
       imports: [UnsafeUrlHostBindingDir],
       template: `
         <blockquote unsafeUrlHostBindingDir></blockquote>
diff --git a/packages/core/test/render3/microtask_effect_spec.ts b/packages/core/test/render3/microtask_effect_spec.ts
index dec54e72ae8..3b9b0687a2f 100644
--- a/packages/core/test/render3/microtask_effect_spec.ts
+++ b/packages/core/test/render3/microtask_effect_spec.ts
@@ -47,7 +47,6 @@ describe('microtask effects', () => {
       const log: string[] = [];
       @Component({
         selector: 'test-cmp',
-        standalone: true,
         template: '',
       })
       class Cmp {
@@ -74,7 +73,6 @@ describe('microtask effects', () => {
     const someSignal = signal('initial');
 
     @Component({
-      standalone: true,
       template: '',
     })
     class App {
@@ -149,7 +147,6 @@ describe('microtask effects', () => {
     }
 
     @Component({
-      standalone: true,
       template: '',
       providers: [{provide: ErrorHandler, useClass: FakeErrorHandler}],
     })
@@ -175,7 +172,6 @@ describe('microtask effects', () => {
 
     @Component({
       selector: 'test-cmp',
-      standalone: true,
       template: '',
     })
     class Cmp {
@@ -211,7 +207,6 @@ describe('microtask effects', () => {
 
     @Component({
       selector: 'test-cmp',
-      standalone: true,
       template: '',
     })
     class Cmp implements AfterViewInit {
@@ -238,7 +233,6 @@ describe('microtask effects', () => {
     withBody('<test-cmp></test-cmp>', async () => {
       @Component({
         selector: 'test-cmp',
-        standalone: true,
         template: '',
       })
       class Cmp {
@@ -268,7 +262,6 @@ describe('microtask effects', () => {
   it('should allow writing to signals in ngOnChanges', () => {
     @Component({
       selector: 'with-input',
-      standalone: true,
       template: '{{inSignal()}}',
     })
     class WithInput implements OnChanges {
@@ -284,7 +277,6 @@ describe('microtask effects', () => {
 
     @Component({
       selector: 'test-cmp',
-      standalone: true,
       imports: [WithInput],
       template: `<with-input [in]="'A'" />|<with-input [in]="'B'" />`,
     })
@@ -298,7 +290,6 @@ describe('microtask effects', () => {
   it('should allow writing to signals in a constructor', () => {
     @Component({
       selector: 'with-constructor',
-      standalone: true,
       template: '{{state()}}',
     })
     class WithConstructor {
@@ -311,7 +302,6 @@ describe('microtask effects', () => {
 
     @Component({
       selector: 'test-cmp',
-      standalone: true,
       imports: [WithConstructor],
       template: `<with-constructor />`,
     })
@@ -325,7 +315,6 @@ describe('microtask effects', () => {
   it('should allow writing to signals in input setters', () => {
     @Component({
       selector: 'with-input-setter',
-      standalone: true,
       template: '{{state()}}',
     })
     class WithInputSetter {
@@ -339,7 +328,6 @@ describe('microtask effects', () => {
 
     @Component({
       selector: 'test-cmp',
-      standalone: true,
       imports: [WithInputSetter],
       template: `
           <with-input-setter [testInput]="'binding'" />|<with-input-setter testInput="static" />
@@ -355,7 +343,6 @@ describe('microtask effects', () => {
   it('should allow writing to signals in query result setters', () => {
     @Component({
       selector: 'with-query',
-      standalone: true,
       template: '{{items().length}}',
     })
     class WithQuery {
@@ -369,7 +356,6 @@ describe('microtask effects', () => {
 
     @Component({
       selector: 'test-cmp',
-      standalone: true,
       imports: [WithQuery],
       template: `<with-query><div #item></div></with-query>`,
     })
@@ -385,7 +371,6 @@ describe('microtask effects', () => {
 
     @Component({
       selector: 'with-query-setter',
-      standalone: true,
       template: '<div #el></div>',
     })
     class WithQuerySetter {
@@ -401,7 +386,6 @@ describe('microtask effects', () => {
 
     @Component({
       selector: 'test-cmp',
-      standalone: true,
       template: ``,
     })
     class Cmp {
@@ -434,7 +418,6 @@ describe('microtask effects', () => {
   it('should allow toObservable subscription in template (with async pipe)', () => {
     @Component({
       selector: 'test-cmp',
-      standalone: true,
       imports: [AsyncPipe],
       template: '{{counter$ | async}}',
     })
@@ -453,7 +436,6 @@ describe('microtask effects', () => {
     it('when created during bootstrapping', () => {
       let log: string[] = [];
       @Component({
-        standalone: true,
         selector: 'test-cmp',
         template: '',
       })
@@ -478,7 +460,6 @@ describe('microtask effects', () => {
       let log: string[] = [];
 
       @Component({
-        standalone: true,
         selector: 'test-cmp',
         template: '',
       })
@@ -494,7 +475,6 @@ describe('microtask effects', () => {
       }
 
       @Component({
-        standalone: true,
         selector: 'driver-cmp',
         imports: [TestCmp],
         template: `
@@ -520,7 +500,6 @@ describe('microtask effects', () => {
     it('when created dynamically', () => {
       let log: string[] = [];
       @Component({
-        standalone: true,
         selector: 'test-cmp',
         template: '',
       })
@@ -536,7 +515,6 @@ describe('microtask effects', () => {
       }
 
       @Component({
-        standalone: true,
         selector: 'driver-cmp',
         template: '',
       })
@@ -570,7 +548,6 @@ describe('microtask effects', () => {
       }
 
       @Component({
-        standalone: true,
         selector: 'test-cmp',
         template: '',
         providers: [EffectService],
@@ -593,7 +570,6 @@ describe('microtask effects', () => {
     it('if multiple effects are created', () => {
       let log: string[] = [];
       @Component({
-        standalone: true,
         selector: 'test-cmp',
         template: '',
       })
@@ -685,7 +661,6 @@ describe('microtask effects in TestBed', () => {
     const log: string[] = [];
     @Component({
       selector: 'test-cmp',
-      standalone: true,
       template: '',
     })
     class Cmp {
@@ -721,7 +696,6 @@ describe('microtask effects in TestBed', () => {
     const log: string[] = [];
     @Component({
       selector: 'test-cmp',
-      standalone: true,
       template: '',
     })
     class Cmp {
@@ -765,7 +739,6 @@ describe('microtask effects in TestBed', () => {
     let observed = '';
     @Component({
       selector: 'test-cmp',
-      standalone: true,
       template: '',
     })
     class Cmp {
diff --git a/packages/core/test/render3/providers_spec.ts b/packages/core/test/render3/providers_spec.ts
index 6f8d908ee3f..4ade9c71454 100644
--- a/packages/core/test/render3/providers_spec.ts
+++ b/packages/core/test/render3/providers_spec.ts
@@ -1045,7 +1045,6 @@ describe('providers', () => {
     let hostComponent: HostComponent | null = null;
 
     @Component({
-      standalone: true,
       template: `{{s}}`,
       selector: 'embedded-cmp',
     })
@@ -1054,7 +1053,6 @@ describe('providers', () => {
     }
 
     @Component({
-      standalone: true,
       selector: 'host-cmp',
       template: `foo`,
       providers: [{provide: String, useValue: 'From host component'}],
@@ -1066,7 +1064,6 @@ describe('providers', () => {
     }
 
     @Component({
-      standalone: true,
       imports: [HostComponent],
       template: `<host-cmp></host-cmp>`,
       providers: [{provide: String, useValue: 'From app component'}],
@@ -1197,7 +1194,6 @@ describe('providers', () => {
     }
 
     @Component({
-      standalone: true,
       selector: 'my-cmp',
       template: `<p></p>`,
       providers: [{provide: String, useValue: 'From my component'}],
@@ -1206,7 +1202,6 @@ describe('providers', () => {
     class MyComponent {}
 
     @Component({
-      standalone: true,
       imports: [MyComponent],
       template: `<my-cmp></my-cmp>`,
       providers: [
diff --git a/packages/core/test/render3/query_spec.ts b/packages/core/test/render3/query_spec.ts
index 4441587ed14..b93532256c9 100644
--- a/packages/core/test/render3/query_spec.ts
+++ b/packages/core/test/render3/query_spec.ts
@@ -31,7 +31,6 @@ describe('query', () => {
 
       @Directive({
         selector: '[myDir]',
-        standalone: true,
         providers: [Service, {provide: Alias, useExisting: Service}],
       })
       class MyDirective {
@@ -48,7 +47,6 @@ describe('query', () => {
           selector: 'app',
           template: '<div myDir></div>',
           imports: [MyDirective],
-          standalone: true,
         })
         class App {
           @ViewChild(MyDirective) directive!: MyDirective;
@@ -67,7 +65,6 @@ describe('query', () => {
       it('should resolve a provider if given as read token', () => {
         @Component({
           selector: 'app',
-          standalone: true,
           template: '<div myDir></div>',
           imports: [MyDirective],
         })
@@ -85,7 +82,6 @@ describe('query', () => {
   it('should restore queries if view changes', () => {
     @Directive({
       selector: '[someDir]',
-      standalone: true,
     })
     class SomeDir {
       constructor(
@@ -98,7 +94,6 @@ describe('query', () => {
 
     @Component({
       selector: 'app',
-      standalone: true,
       template: `
         <div *someDir></div>
         <div #foo></div>
diff --git a/packages/core/test/render3/reactive_safety_spec.ts b/packages/core/test/render3/reactive_safety_spec.ts
index 27a3f0fae4d..7d11a72df67 100644
--- a/packages/core/test/render3/reactive_safety_spec.ts
+++ b/packages/core/test/render3/reactive_safety_spec.ts
@@ -44,7 +44,6 @@ describe('reactive safety', () => {
   describe('view creation', () => {
     it('should be safe to call ViewContainerRef.createEmbeddedView', () => {
       @Component({
-        standalone: true,
         template: `<ng-template #tmpl>Template</ng-template>`,
       })
       class TestCmp {
@@ -60,7 +59,6 @@ describe('reactive safety', () => {
 
     it('should be safe to call TemplateRef.create', () => {
       @Component({
-        standalone: true,
         template: `<ng-template #tmpl>Template</ng-template>`,
       })
       class TestCmp {
@@ -75,7 +73,6 @@ describe('reactive safety', () => {
 
     it('should be safe to call createComponent', () => {
       @Component({
-        standalone: true,
         template: '',
       })
       class TestCmp {
@@ -90,7 +87,6 @@ describe('reactive safety', () => {
 
     it('should be safe to call ComponentFactory.create()', () => {
       @Component({
-        standalone: true,
         template: '',
       })
       class TestCmp {
@@ -107,7 +103,6 @@ describe('reactive safety', () => {
 
     it('should be safe to flip @if to true', () => {
       @Component({
-        standalone: true,
         template: `
           @if (cond) {
             (creating this view should not throw)
@@ -130,7 +125,6 @@ describe('reactive safety', () => {
   describe('view destruction', () => {
     it('should be safe to destroy a ComponentRef', () => {
       @Component({
-        standalone: true,
         template: '',
       })
       class HostCmp {
@@ -138,7 +132,6 @@ describe('reactive safety', () => {
       }
 
       @Component({
-        standalone: true,
         template: '',
       })
       class GuestCmp {
@@ -227,7 +220,6 @@ describe('reactive safety', () => {
   describe('outputs', () => {
     it('should be safe to emit an output', () => {
       @Component({
-        standalone: true,
         template: '',
       })
       class TestCmp {
diff --git a/packages/core/test/render3/reactivity_spec.ts b/packages/core/test/render3/reactivity_spec.ts
index 38836c6a0d7..74ab91f1ee2 100644
--- a/packages/core/test/render3/reactivity_spec.ts
+++ b/packages/core/test/render3/reactivity_spec.ts
@@ -62,7 +62,6 @@ describe('reactivity', () => {
         const log: string[] = [];
         @Component({
           selector: 'test-cmp',
-          standalone: true,
           template: '',
         })
         class Cmp {
@@ -172,7 +171,6 @@ describe('reactivity', () => {
 
       @Component({
         selector: 'test-cmp',
-        standalone: true,
         template: '',
       })
       class Cmp {
@@ -208,7 +206,6 @@ describe('reactivity', () => {
 
       @Component({
         selector: 'test-cmp',
-        standalone: true,
         template: '',
       })
       class Cmp implements AfterViewInit {
@@ -264,7 +261,6 @@ describe('reactivity', () => {
       const log: number[] = [];
 
       @Component({
-        standalone: true,
         template: '',
       })
       class TestCmp {
@@ -291,7 +287,6 @@ describe('reactivity', () => {
 
       const source = signal('');
       @Component({
-        standalone: true,
         changeDetection: ChangeDetectionStrategy.OnPush,
         template: '{{ data }}',
       })
@@ -335,7 +330,6 @@ describe('reactivity', () => {
       }
 
       @Component({
-        standalone: true,
         changeDetection: ChangeDetectionStrategy.OnPush,
         providers: [Service],
         template: '{{ service.data }}',
@@ -361,7 +355,6 @@ describe('reactivity', () => {
       const source = signal('');
 
       @Directive({
-        standalone: true,
         selector: '[dir]',
       })
       class Dir {
@@ -382,7 +375,6 @@ describe('reactivity', () => {
       }
 
       @Component({
-        standalone: true,
         imports: [Dir],
         template: `<ng-template dir let-data>{{data}}</ng-template>`,
         changeDetection: ChangeDetectionStrategy.OnPush,
@@ -405,7 +397,6 @@ describe('reactivity', () => {
         const log: number[] = [];
 
         @Component({
-          standalone: true,
           template: '',
         })
         class TestCmp {
@@ -429,9 +420,7 @@ describe('reactivity', () => {
 
       it('should destroy effects when the parent component is destroyed', () => {
         let destroyed = false;
-        @Component({
-          standalone: true,
-        })
+        @Component({})
         class TestCmp {
           constructor() {
             effect((onCleanup) => onCleanup(() => (destroyed = true)));
@@ -447,9 +436,7 @@ describe('reactivity', () => {
 
       it('should destroy effects when their view is destroyed, separately from DestroyRef', () => {
         let destroyed = false;
-        @Component({
-          standalone: true,
-        })
+        @Component({})
         class TestCmp {
           readonly injector = Injector.create({providers: [], parent: inject(Injector)});
 
@@ -467,9 +454,7 @@ describe('reactivity', () => {
 
       it('should destroy effects when their DestroyRef is separately destroyed', () => {
         let destroyed = false;
-        @Component({
-          standalone: true,
-        })
+        @Component({})
         class TestCmp {
           readonly injector = Injector.create({providers: [], parent: inject(Injector)});
 
@@ -546,7 +531,6 @@ describe('reactivity', () => {
     it('should allow writing to signals in ngOnChanges', () => {
       @Component({
         selector: 'with-input',
-        standalone: true,
         template: '{{inSignal()}}',
       })
       class WithInput implements OnChanges {
@@ -562,7 +546,6 @@ describe('reactivity', () => {
 
       @Component({
         selector: 'test-cmp',
-        standalone: true,
         imports: [WithInput],
         template: `<with-input [in]="'A'" />|<with-input [in]="'B'" />`,
       })
@@ -576,7 +559,6 @@ describe('reactivity', () => {
     it('should allow writing to signals in a constructor', () => {
       @Component({
         selector: 'with-constructor',
-        standalone: true,
         template: '{{state()}}',
       })
       class WithConstructor {
@@ -589,7 +571,6 @@ describe('reactivity', () => {
 
       @Component({
         selector: 'test-cmp',
-        standalone: true,
         imports: [WithConstructor],
         template: `<with-constructor />`,
       })
@@ -603,7 +584,6 @@ describe('reactivity', () => {
     it('should allow writing to signals in input setters', () => {
       @Component({
         selector: 'with-input-setter',
-        standalone: true,
         template: '{{state()}}',
       })
       class WithInputSetter {
@@ -617,7 +597,6 @@ describe('reactivity', () => {
 
       @Component({
         selector: 'test-cmp',
-        standalone: true,
         imports: [WithInputSetter],
         template: `
           <with-input-setter [testInput]="'binding'" />|<with-input-setter testInput="static" />
@@ -633,7 +612,6 @@ describe('reactivity', () => {
     it('should allow writing to signals in query result setters', () => {
       @Component({
         selector: 'with-query',
-        standalone: true,
         template: '{{items().length}}',
       })
       class WithQuery {
@@ -647,7 +625,6 @@ describe('reactivity', () => {
 
       @Component({
         selector: 'test-cmp',
-        standalone: true,
         imports: [WithQuery],
         template: `<with-query><div #item></div></with-query>`,
       })
@@ -663,7 +640,6 @@ describe('reactivity', () => {
 
       @Component({
         selector: 'with-query-setter',
-        standalone: true,
         template: '<div #el></div>',
       })
       class WithQuerySetter {
@@ -679,7 +655,6 @@ describe('reactivity', () => {
 
       @Component({
         selector: 'test-cmp',
-        standalone: true,
         template: ``,
       })
       class Cmp {
@@ -712,7 +687,6 @@ describe('reactivity', () => {
     it('should allow toObservable subscription in template (with async pipe)', () => {
       @Component({
         selector: 'test-cmp',
-        standalone: true,
         imports: [AsyncPipe],
         template: '{{counter$ | async}}',
       })
@@ -730,7 +704,6 @@ describe('reactivity', () => {
     it('should assign a debugName to the underlying node for an effect', async () => {
       @Component({
         selector: 'test-cmp',
-        standalone: true,
         template: '',
       })
       class Cmp {
@@ -748,7 +721,6 @@ describe('reactivity', () => {
       it('when created during bootstrapping', () => {
         let log: string[] = [];
         @Component({
-          standalone: true,
           selector: 'test-cmp',
           template: '',
         })
@@ -773,7 +745,6 @@ describe('reactivity', () => {
         let log: string[] = [];
 
         @Component({
-          standalone: true,
           selector: 'test-cmp',
           template: '',
         })
@@ -789,7 +760,6 @@ describe('reactivity', () => {
         }
 
         @Component({
-          standalone: true,
           selector: 'driver-cmp',
           imports: [TestCmp],
           template: `
@@ -815,7 +785,6 @@ describe('reactivity', () => {
       it('when created dynamically', () => {
         let log: string[] = [];
         @Component({
-          standalone: true,
           selector: 'test-cmp',
           template: '',
         })
@@ -831,7 +800,6 @@ describe('reactivity', () => {
         }
 
         @Component({
-          standalone: true,
           selector: 'driver-cmp',
           template: '',
         })
@@ -864,7 +832,6 @@ describe('reactivity', () => {
         }
 
         @Component({
-          standalone: true,
           selector: 'test-cmp',
           template: '',
           providers: [EffectService],
@@ -887,7 +854,6 @@ describe('reactivity', () => {
       it('if multiple effects are created', () => {
         let log: string[] = [];
         @Component({
-          standalone: true,
           selector: 'test-cmp',
           template: '',
         })
diff --git a/packages/core/test/test_bed_effect_spec.ts b/packages/core/test/test_bed_effect_spec.ts
index 9273335dd98..127af2fffef 100644
--- a/packages/core/test/test_bed_effect_spec.ts
+++ b/packages/core/test/test_bed_effect_spec.ts
@@ -32,7 +32,6 @@ describe('effects in TestBed', () => {
     const log: string[] = [];
     @Component({
       selector: 'test-cmp',
-      standalone: true,
       template: '',
     })
     class Cmp {
@@ -68,7 +67,6 @@ describe('effects in TestBed', () => {
     const log: string[] = [];
     @Component({
       selector: 'test-cmp',
-      standalone: true,
       template: '',
     })
     class Cmp {
@@ -112,7 +110,6 @@ describe('effects in TestBed', () => {
     let observed = '';
     @Component({
       selector: 'test-cmp',
-      standalone: true,
       template: '',
     })
     class Cmp {
@@ -137,7 +134,6 @@ describe('effects in TestBed', () => {
     let observed: string | null = null;
 
     @Component({
-      standalone: true,
       template: '',
     })
     class Cmp {
@@ -163,7 +159,6 @@ describe('effects in TestBed', () => {
     const log: string[] = [];
 
     @Component({
-      standalone: true,
       template: `{{ sentinel }}`,
     })
     class TestCmp {
diff --git a/packages/core/test/test_bed_spec.ts b/packages/core/test/test_bed_spec.ts
index 062cc0719d0..d89e7a5f925 100644
--- a/packages/core/test/test_bed_spec.ts
+++ b/packages/core/test/test_bed_spec.ts
@@ -237,21 +237,18 @@ describe('TestBed with Standalone types', () => {
   it('should override dependencies of standalone components', () => {
     @Component({
       selector: 'dep',
-      standalone: true,
       template: 'main dep',
     })
     class MainDep {}
 
     @Component({
       selector: 'dep',
-      standalone: true,
       template: 'mock dep',
     })
     class MockDep {}
 
     @Component({
       selector: 'app-root',
-      standalone: true,
       imports: [MainDep],
       template: '<dep />',
     })
@@ -284,7 +281,6 @@ describe('TestBed with Standalone types', () => {
     const A = new InjectionToken('A');
 
     @Component({
-      standalone: true,
       template: '{{ a }}',
       providers: [{provide: A, useValue: 'A'}],
     })
@@ -316,7 +312,6 @@ describe('TestBed with Standalone types', () => {
 
     @Component({
       selector: 'dep',
-      standalone: true,
       template: '{{ service.id }}',
       providers: [Service],
     })
@@ -325,7 +320,6 @@ describe('TestBed with Standalone types', () => {
     }
 
     @Component({
-      standalone: true,
       template: '<dep />',
       imports: [Dep],
     })
@@ -361,7 +355,6 @@ describe('TestBed with Standalone types', () => {
     class ComponentDependenciesModule {}
 
     @Component({
-      standalone: true,
       template: '{{ a }}',
       imports: [ComponentDependenciesModule],
     })
@@ -388,7 +381,6 @@ describe('TestBed with Standalone types', () => {
     class ComponentDependenciesModule {}
 
     @Component({
-      standalone: true,
       template: '{{ a }}',
       imports: [ComponentDependenciesModule],
     })
@@ -410,7 +402,6 @@ describe('TestBed with Standalone types', () => {
 
   it('should allow overriding a template of a standalone component', () => {
     @Component({
-      standalone: true,
       template: 'Original',
     })
     class MyStandaloneComp {}
@@ -428,7 +419,6 @@ describe('TestBed with Standalone types', () => {
   it('should allow overriding the set of directives and pipes used in a standalone component', () => {
     @Directive({
       selector: '[dir]',
-      standalone: true,
       host: {'[id]': 'id'},
     })
     class MyStandaloneDirectiveA {
@@ -437,20 +427,19 @@ describe('TestBed with Standalone types', () => {
 
     @Directive({
       selector: '[dir]',
-      standalone: true,
       host: {'[id]': 'id'},
     })
     class MyStandaloneDirectiveB {
       id = 'B';
     }
 
-    @Pipe({name: 'pipe', standalone: true})
+    @Pipe({name: 'pipe'})
     class MyStandalonePipeA {
       transform(value: string): string {
         return `transformed ${value} (A)`;
       }
     }
-    @Pipe({name: 'pipe', standalone: true})
+    @Pipe({name: 'pipe'})
     class MyStandalonePipeB {
       transform(value: string): string {
         return `transformed ${value} (B)`;
@@ -458,7 +447,6 @@ describe('TestBed with Standalone types', () => {
     }
 
     @Component({
-      standalone: true,
       template: '<div dir>{{ name | pipe }}</div>',
       imports: [MyStandalonePipeA, MyStandaloneDirectiveA],
     })
@@ -483,7 +471,6 @@ describe('TestBed with Standalone types', () => {
   it('should reflect overrides on imported standalone directive', () => {
     @Directive({
       selector: '[dir]',
-      standalone: true,
       host: {'[id]': 'id'},
     })
     class DepStandaloneDirective {
@@ -492,7 +479,6 @@ describe('TestBed with Standalone types', () => {
 
     @Component({
       selector: 'standalone-cmp',
-      standalone: true,
       template: 'Original MyStandaloneComponent',
     })
     class DepStandaloneComponent {
@@ -500,7 +486,6 @@ describe('TestBed with Standalone types', () => {
     }
 
     @Component({
-      standalone: true,
       template: '<standalone-cmp dir>Hello world!</standalone-cmp>',
       imports: [DepStandaloneDirective, DepStandaloneComponent],
     })
@@ -526,7 +511,6 @@ describe('TestBed with Standalone types', () => {
     const TOKEN_A = new InjectionToken('TOKEN_A');
     @Pipe({
       name: 'testPipe',
-      standalone: true,
     })
     class TestPipe {
       constructor(@Inject(TOKEN_A) private token: string) {}
@@ -544,7 +528,6 @@ describe('TestBed with Standalone types', () => {
 
     @Component({
       selector: 'test-component',
-      standalone: true,
       imports: [TestNgModule],
       template: `{{ 'original value' | testPipe }}`,
     })
@@ -588,7 +571,6 @@ describe('TestBed with Standalone types', () => {
     class TestModule {}
 
     @Component({
-      standalone: true,
       selector: 'app-root',
       template: `<test-cmp #testCmpCtrl></test-cmp>`,
       imports: [TestModule],
@@ -663,7 +645,6 @@ describe('TestBed', () => {
 
   it('should not allow overrides of the `standalone` field', () => {
     @Component({
-      standalone: true,
       selector: 'standalone-comp',
       template: '...',
     })
@@ -676,7 +657,7 @@ describe('TestBed', () => {
     })
     class NonStandaloneComponent {}
 
-    @Directive({standalone: true})
+    @Directive()
     class StandaloneDirective {}
 
     @Directive({
@@ -684,7 +665,7 @@ describe('TestBed', () => {
     })
     class NonStandaloneDirective {}
 
-    @Pipe({standalone: true, name: 'test'})
+    @Pipe({name: 'test'})
     class StandalonePipe {}
 
     @Pipe({
@@ -1613,8 +1594,7 @@ describe('TestBed', () => {
      * Function returns a class that represents AOT-compiled version of the following Component:
      *
      * @Component({
-     *  standalone: true,
-     *  imports: [...],
+     *       *  imports: [...],
      *  selector: '...',
      *  template: '...',
      * })
@@ -1631,7 +1611,6 @@ describe('TestBed', () => {
       class ComponentClass {
         static ɵfac = () => new ComponentClass();
         static ɵcmp = defineComponent({
-          standalone: true,
           type: ComponentClass,
           selectors: [[selector]],
           decls: 2,
@@ -1665,7 +1644,6 @@ describe('TestBed', () => {
                 args: [
                   {
                     selector,
-                    standalone: true,
                     imports: [...dependencies, ...deferrableSymbols],
                     template: `<div>root cmp!</div>`,
                   },
@@ -1682,7 +1660,6 @@ describe('TestBed', () => {
 
     it('should handle async metadata on root and nested components', async () => {
       @Component({
-        standalone: true,
         selector: 'cmp-a',
         template: 'CmpA!',
       })
@@ -1728,7 +1705,6 @@ describe('TestBed', () => {
       class ThisModuleProvidesService {}
 
       @Component({
-        standalone: true,
         selector: 'child',
         imports: [ThisModuleProvidesService],
         template: '<h1>{{value}}</h1>',
@@ -1739,7 +1715,6 @@ describe('TestBed', () => {
       }
 
       @Component({
-        standalone: true,
         selector: 'parent',
         imports: [ChildCmp],
         template: `
@@ -1769,7 +1744,6 @@ describe('TestBed', () => {
                 args: [
                   {
                     selector: 'parent',
-                    standalone: true,
                     imports: [...deferrableSymbols],
                     template: `<div>root cmp!</div>`,
                   },
diff --git a/packages/core/test/zone/ng_zone_spec.ts b/packages/core/test/zone/ng_zone_spec.ts
index 41f581b76e2..79a7b12c0be 100644
--- a/packages/core/test/zone/ng_zone_spec.ts
+++ b/packages/core/test/zone/ng_zone_spec.ts
@@ -935,7 +935,6 @@ function commonTests() {
       }
 
       @Component({
-        standalone: true,
         template: `
           <div class="clickable" (click)="clicked = true"></div>
           {{clicked ? 'clicked' : '' }}