diff --git a/packages/core/src/render3/definition.ts b/packages/core/src/render3/definition.ts
index c2952342f42..9e0ee997b4a 100644
--- a/packages/core/src/render3/definition.ts
+++ b/packages/core/src/render3/definition.ts
@@ -686,7 +686,7 @@ function getComponentId(componentDef: ComponentDef<unknown>): string {
   // https://github.com/angular/components/blob/d9f82c8f95309e77a6d82fd574c65871e91354c2/src/material/core/option/option.ts#L248
   // https://github.com/angular/components/blob/285f46dc2b4c5b127d356cb7c4714b221f03ce50/src/material/legacy-core/option/option.ts#L32
 
-  const hashSelectors = JSON.stringify([
+  const hashSelectors = [
     componentDef.selectors,
     componentDef.ngContentSelectors,
     componentDef.hostVars,
@@ -696,16 +696,12 @@ function getComponentId(componentDef: ComponentDef<unknown>): string {
     componentDef.decls,
     componentDef.encapsulation,
     componentDef.standalone,
-    componentDef.signals,
-    componentDef.exportAs,
-    componentDef.inputs,
-    componentDef.outputs,
     // We cannot use 'componentDef.type.name' as the name of the symbol will change and will not
     // match in the server and browser bundles.
     Object.getOwnPropertyNames(componentDef.type.prototype),
     !!componentDef.contentQueries,
     !!componentDef.viewQuery,
-  ]);
+  ].join('|');
 
   for (const char of hashSelectors) {
     hash = Math.imul(31, hash) + char.charCodeAt(0) << 0;