diff --git a/packages/core/src/defer/idle_service.ts b/packages/core/src/defer/idle_service.ts
index 116d9f76022..97ce8a03a9e 100644
--- a/packages/core/src/defer/idle_service.ts
+++ b/packages/core/src/defer/idle_service.ts
@@ -52,7 +52,6 @@ export interface IdleService {
 }
 
 export const IDLE_SERVICE = new InjectionToken<IdleService>(ngDevMode ? 'IDLE_SERVICE' : '', {
-  providedIn: 'root',
   factory: () => new RequestIdleCallbackService(),
 });