diff --git a/packages/core/src/change_detection/differs/iterable_differs.ts b/packages/core/src/change_detection/differs/iterable_differs.ts
index 22f8d4c9d2..958ba220b9 100644
--- a/packages/core/src/change_detection/differs/iterable_differs.ts
+++ b/packages/core/src/change_detection/differs/iterable_differs.ts
@@ -139,6 +139,7 @@ export interface IterableDifferFactory {
  * @publicApi
  */
 export class IterableDiffers {
+  /** @nocollapse */
   static ngInjectableDef = defineInjectable({
     providedIn: 'root',
     factory: () => new IterableDiffers([new DefaultIterableDifferFactory()])
diff --git a/packages/core/src/di/injector.ts b/packages/core/src/di/injector.ts
index ac6127f4c0..22a1b8161a 100644
--- a/packages/core/src/di/injector.ts
+++ b/packages/core/src/di/injector.ts
@@ -103,6 +103,7 @@ export abstract class Injector {
     }
   }
 
+  /** @nocollapse */
   static ngInjectableDef = defineInjectable({
     providedIn: 'any' as any,
     factory: () => inject(INJECTOR),