diff --git a/aio/angular.json b/aio/angular.json
index 146e329b8a2..248327f57c8 100644
--- a/aio/angular.json
+++ b/aio/angular.json
@@ -215,7 +215,6 @@
         "test": {
           "builder": "@angular-devkit/build-angular:karma",
           "options": {
-            "main": "src/test.ts",
             "polyfills": ["zone.js", "zone.js/testing"],
             "tsConfig": "tsconfig.spec.json",
             "webWorkerTsConfig": "tsconfig.worker.json",
diff --git a/aio/src/test.ts b/aio/src/test.ts
deleted file mode 100644
index 51bb0206a2e..00000000000
--- a/aio/src/test.ts
+++ /dev/null
@@ -1,14 +0,0 @@
-// This file is required by karma.conf.js and loads recursively all the .spec and framework files
-
-import 'zone.js/testing';
-import { getTestBed } from '@angular/core/testing';
-import {
-  BrowserDynamicTestingModule,
-  platformBrowserDynamicTesting
-} from '@angular/platform-browser-dynamic/testing';
-
-// First, initialize the Angular testing environment.
-getTestBed().initTestEnvironment(
-  BrowserDynamicTestingModule,
-  platformBrowserDynamicTesting(),
-);
diff --git a/aio/tsconfig.spec.json b/aio/tsconfig.spec.json
index 5bd23fe388c..f1232f10024 100644
--- a/aio/tsconfig.spec.json
+++ b/aio/tsconfig.spec.json
@@ -7,9 +7,6 @@
       "node"
     ]
   },
-  "files": [
-    "src/test.ts",
-  ],
   "include": [
     "src/testing/**/*.ts",
     "src/**/*.spec.ts",