diff --git a/goldens/public-api/router/index.md b/goldens/public-api/router/index.md
index ca068bebfd4..4559e465589 100644
--- a/goldens/public-api/router/index.md
+++ b/goldens/public-api/router/index.md
@@ -874,6 +874,10 @@ export abstract class TitleStrategy {
     buildTitle(snapshot: RouterStateSnapshot): string | undefined;
     getResolvedTitleForRoute(snapshot: ActivatedRouteSnapshot): any;
     abstract updateTitle(snapshot: RouterStateSnapshot): void;
+    // (undocumented)
+    static ɵfac: i0.ɵɵFactoryDeclaration<TitleStrategy, never>;
+    // (undocumented)
+    static ɵprov: i0.ɵɵInjectableDeclaration<TitleStrategy>;
 }
 
 // @public
diff --git a/goldens/public-api/router/testing/index.md b/goldens/public-api/router/testing/index.md
index 7de12c46fcc..b7364f3331d 100644
--- a/goldens/public-api/router/testing/index.md
+++ b/goldens/public-api/router/testing/index.md
@@ -6,7 +6,6 @@
 
 import { ChildrenOutletContexts } from '@angular/router';
 import { Compiler } from '@angular/core';
-import { DefaultTitleStrategy } from '@angular/router';
 import { ExtraOptions } from '@angular/router';
 import * as i0 from '@angular/core';
 import * as i1 from '@angular/router';
@@ -37,7 +36,7 @@ export class RouterTestingModule {
 export function setupTestingRouter(urlSerializer: UrlSerializer, contexts: ChildrenOutletContexts, location: Location_2, compiler: Compiler, injector: Injector, routes: Route[][], opts?: ExtraOptions | UrlHandlingStrategy | null, urlHandlingStrategy?: UrlHandlingStrategy, routeReuseStrategy?: RouteReuseStrategy, titleStrategy?: TitleStrategy): Router;
 
 // @public
-export function setupTestingRouterInternal(urlSerializer: UrlSerializer, contexts: ChildrenOutletContexts, location: Location_2, compiler: Compiler, injector: Injector, routes: Route[][], opts?: ExtraOptions | UrlHandlingStrategy, urlHandlingStrategy?: UrlHandlingStrategy, routeReuseStrategy?: RouteReuseStrategy, defaultTitleStrategy?: DefaultTitleStrategy, titleStrategy?: TitleStrategy): Router;
+export function setupTestingRouterInternal(urlSerializer: UrlSerializer, contexts: ChildrenOutletContexts, location: Location_2, compiler: Compiler, injector: Injector, routes: Route[][], titleStrategy: TitleStrategy, opts?: ExtraOptions | UrlHandlingStrategy, urlHandlingStrategy?: UrlHandlingStrategy, routeReuseStrategy?: RouteReuseStrategy): Router;
 
 // (No @packageDocumentation comment for this package)
 
diff --git a/packages/router/src/page_title_strategy.ts b/packages/router/src/page_title_strategy.ts
index 2663dd55da3..aead414744a 100644
--- a/packages/router/src/page_title_strategy.ts
+++ b/packages/router/src/page_title_strategy.ts
@@ -6,7 +6,7 @@
  * found in the LICENSE file at https://angular.io/license
  */
 
-import {Injectable} from '@angular/core';
+import {inject, Injectable} from '@angular/core';
 import {Title} from '@angular/platform-browser';
 
 import {RouteTitle as TitleKey} from './operators/resolve_data';
@@ -36,6 +36,7 @@ import {PRIMARY_OUTLET} from './shared';
  * @publicApi
  * @see [Page title guide](guide/router#setting-the-page-title)
  */
+@Injectable({providedIn: 'root', useFactory: () => inject(DefaultTitleStrategy)})
 export abstract class TitleStrategy {
   /** Performs the application title update. */
   abstract updateTitle(snapshot: RouterStateSnapshot): void;
diff --git a/packages/router/src/router_module.ts b/packages/router/src/router_module.ts
index c02ca03e21f..3f4ba516c9b 100644
--- a/packages/router/src/router_module.ts
+++ b/packages/router/src/router_module.ts
@@ -18,7 +18,7 @@ import {RouterOutlet} from './directives/router_outlet';
 import {RuntimeErrorCode} from './errors';
 import {Event, NavigationCancel, NavigationCancellationCode, NavigationEnd, NavigationError, stringifyEvent} from './events';
 import {Route, Routes} from './models';
-import {DefaultTitleStrategy, TitleStrategy} from './page_title_strategy';
+import {TitleStrategy} from './page_title_strategy';
 import {RouteReuseStrategy} from './route_reuse_strategy';
 import {ErrorHandler, Router} from './router';
 import {RouterConfigLoader, ROUTES} from './router_config_loader';
@@ -64,9 +64,9 @@ export const ROUTER_PROVIDERS: Provider[] = [
     provide: Router,
     useFactory: setupRouter,
     deps: [
-      UrlSerializer, ChildrenOutletContexts, Location, Injector, Compiler, ROUTES,
-      ROUTER_CONFIGURATION, DefaultTitleStrategy, [TitleStrategy, new Optional()],
-      [UrlHandlingStrategy, new Optional()], [RouteReuseStrategy, new Optional()]
+      UrlSerializer, ChildrenOutletContexts, Location, Injector, Compiler, ROUTES, TitleStrategy,
+      ROUTER_CONFIGURATION, [UrlHandlingStrategy, new Optional()],
+      [RouteReuseStrategy, new Optional()]
     ]
   },
   ChildrenOutletContexts,
@@ -461,9 +461,9 @@ export interface ExtraOptions {
 
 export function setupRouter(
     urlSerializer: UrlSerializer, contexts: ChildrenOutletContexts, location: Location,
-    injector: Injector, compiler: Compiler, config: Route[][], opts: ExtraOptions = {},
-    defaultTitleStrategy: DefaultTitleStrategy, titleStrategy?: TitleStrategy,
-    urlHandlingStrategy?: UrlHandlingStrategy, routeReuseStrategy?: RouteReuseStrategy) {
+    injector: Injector, compiler: Compiler, config: Route[][], titleStrategy: TitleStrategy,
+    opts: ExtraOptions = {}, urlHandlingStrategy?: UrlHandlingStrategy,
+    routeReuseStrategy?: RouteReuseStrategy) {
   const router =
       new Router(null, urlSerializer, contexts, location, injector, compiler, flatten(config));
 
@@ -475,7 +475,7 @@ export function setupRouter(
     router.routeReuseStrategy = routeReuseStrategy;
   }
 
-  router.titleStrategy = titleStrategy ?? defaultTitleStrategy;
+  router.titleStrategy = titleStrategy;
 
   assignExtraOptionsToRouter(opts, router);
 
diff --git a/packages/router/testing/src/router_testing_module.ts b/packages/router/testing/src/router_testing_module.ts
index 1362d0fb153..a1dff7143c3 100644
--- a/packages/router/testing/src/router_testing_module.ts
+++ b/packages/router/testing/src/router_testing_module.ts
@@ -9,7 +9,7 @@
 import {Location, LocationStrategy} from '@angular/common';
 import {MockLocationStrategy, SpyLocation} from '@angular/common/testing';
 import {Compiler, Injector, ModuleWithProviders, NgModule, Optional} from '@angular/core';
-import {ChildrenOutletContexts, DefaultTitleStrategy, ExtraOptions, NoPreloading, PreloadingStrategy, provideRoutes, Route, Router, ROUTER_CONFIGURATION, RouteReuseStrategy, RouterModule, ROUTES, Routes, TitleStrategy, UrlHandlingStrategy, UrlSerializer, ɵassignExtraOptionsToRouter as assignExtraOptionsToRouter, ɵflatten as flatten, ɵprovidePreloading as providePreloading, ɵROUTER_PROVIDERS as ROUTER_PROVIDERS} from '@angular/router';
+import {ChildrenOutletContexts, ExtraOptions, NoPreloading, provideRoutes, Route, Router, ROUTER_CONFIGURATION, RouteReuseStrategy, RouterModule, ROUTES, Routes, TitleStrategy, UrlHandlingStrategy, UrlSerializer, ɵassignExtraOptionsToRouter as assignExtraOptionsToRouter, ɵflatten as flatten, ɵprovidePreloading as providePreloading, ɵROUTER_PROVIDERS as ROUTER_PROVIDERS} from '@angular/router';
 
 import {EXTRA_ROUTER_TESTING_PROVIDERS} from './extra_router_testing_providers';
 
@@ -25,14 +25,20 @@ function isUrlHandlingStrategy(opts: ExtraOptions|
  * marked as publicApi cleaner (i.e. not having _both_ `TitleStrategy` and `DefaultTitleStrategy`).
  */
 export function setupTestingRouterInternal(
-    urlSerializer: UrlSerializer, contexts: ChildrenOutletContexts, location: Location,
-    compiler: Compiler, injector: Injector, routes: Route[][],
-    opts?: ExtraOptions|UrlHandlingStrategy, urlHandlingStrategy?: UrlHandlingStrategy,
-    routeReuseStrategy?: RouteReuseStrategy, defaultTitleStrategy?: DefaultTitleStrategy,
-    titleStrategy?: TitleStrategy) {
+    urlSerializer: UrlSerializer,
+    contexts: ChildrenOutletContexts,
+    location: Location,
+    compiler: Compiler,
+    injector: Injector,
+    routes: Route[][],
+    titleStrategy: TitleStrategy,
+    opts?: ExtraOptions|UrlHandlingStrategy,
+    urlHandlingStrategy?: UrlHandlingStrategy,
+    routeReuseStrategy?: RouteReuseStrategy,
+) {
   return setupTestingRouter(
       urlSerializer, contexts, location, compiler, injector, routes, opts, urlHandlingStrategy,
-      routeReuseStrategy, titleStrategy ?? defaultTitleStrategy);
+      routeReuseStrategy, titleStrategy);
 }
 
 /**
@@ -112,11 +118,10 @@ export function setupTestingRouter(
         Compiler,
         Injector,
         ROUTES,
+        TitleStrategy,
         ROUTER_CONFIGURATION,
         [UrlHandlingStrategy, new Optional()],
         [RouteReuseStrategy, new Optional()],
-        [DefaultTitleStrategy, new Optional()],
-        [TitleStrategy, new Optional()],
       ]
     },
     providePreloading(NoPreloading),