diff --git a/packages/router/src/router.ts b/packages/router/src/router.ts
index 4057b8e8927..1604191f80a 100644
--- a/packages/router/src/router.ts
+++ b/packages/router/src/router.ts
@@ -1354,21 +1354,6 @@ export class Router {
       return Promise.resolve(false);
     }
 
-    // Duplicate navigations may be triggered by attempts to sync AngularJS and
-    // Angular router states. We have the setTimeout in the location listener to
-    // ensure the imperative nav is scheduled before the browser nav.
-    const lastNavigation = this.transitions.value;
-    const browserNavPrecededByRouterNav = isBrowserTriggeredNavigation(source) && lastNavigation &&
-        !isBrowserTriggeredNavigation(lastNavigation.source);
-    const navToSameUrl = lastNavigation.rawUrl.toString() === rawUrl.toString();
-    const lastNavigationInProgress = lastNavigation.id === this.currentNavigation?.id;
-    // We consider duplicates as ones that goes to the same URL while the first
-    // is still processing.
-    const isDuplicateNav = navToSameUrl && lastNavigationInProgress;
-    if (browserNavPrecededByRouterNav && isDuplicateNav) {
-      return Promise.resolve(true);  // return value is not used
-    }
-
     let resolve: any;
     let reject: any;
     let promise: Promise<boolean>;
diff --git a/packages/router/test/integration.spec.ts b/packages/router/test/integration.spec.ts
index bf9c54b2ecd..a560323200d 100644
--- a/packages/router/test/integration.spec.ts
+++ b/packages/router/test/integration.spec.ts
@@ -1204,26 +1204,6 @@ describe('Integration', () => {
       });
     });
 
-    it('should ignore the duplicate resulting from a location sync', fakeAsync(() => {
-         const router = TestBed.inject(Router);
-         const fixture = createRoot(router, RootCmp);
-         const location = TestBed.inject(Location) as SpyLocation;
-         router.resetConfig([{path: 'simple', component: SimpleCmp, canActivate: ['in1Second']}]);
-
-         const recordedEvents: any[] = [];
-         router.events.forEach(e => onlyNavigationStartAndEnd(e) && recordedEvents.push(e));
-
-         // setTimeout used so this navigation resolves at the same time as the one that results
-         // from the location PopStateEvent (see Router#setUpLocationChangeListener).
-         setTimeout(() => {
-           router.navigateByUrl('/simple');
-         }, 0);
-         location.simulateUrlPop('/simple');
-         tick(1000);
-         advance(fixture);
-         expectEvents(recordedEvents, [[NavigationStart, '/simple'], [NavigationEnd, '/simple']]);
-       }));
-
     it('should reset location if a navigation by location is successful', fakeAsync(() => {
          const router = TestBed.inject(Router);
          const location = TestBed.inject(Location) as SpyLocation;