diff --git a/core/core.services.yml b/core/core.services.yml
index 4c35a65395d3234d063c857c58495656ab8636f6..447a0f9a18feb49957e9dd5875d5d75a5e0fb9e0 100644
--- a/core/core.services.yml
+++ b/core/core.services.yml
@@ -1081,9 +1081,7 @@ services:
     class: \Drupal\Core\Routing\Router
     arguments: ['@router.route_provider', '@path.current', '@url_generator']
     tags:
-      - { name: service_collector, tag: non_lazy_route_enhancer, call: addDeprecatedRouteEnhancer }
       - { name: service_collector, tag: route_enhancer, call: addRouteEnhancer  }
-      - { name: service_collector, tag: non_lazy_route_filter, call: addDeprecatedRouteFilter }
       - { name: service_collector, tag: route_filter, call: addRouteFilter }
     calls:
       - [setContext, ['@router.request_context']]
diff --git a/core/lib/Drupal/Core/Routing/Router.php b/core/lib/Drupal/Core/Routing/Router.php
index bef84e9be844eadd52cc180cc6586fe8191f2423..369424d90815df958b6abd241070d435e19dd3cf 100644
--- a/core/lib/Drupal/Core/Routing/Router.php
+++ b/core/lib/Drupal/Core/Routing/Router.php
@@ -84,22 +84,6 @@ public function addRouteFilter(FilterInterface $route_filter) {
     $this->filters[] = $route_filter;
   }
 
-  /**
-   * Adds a deprecated route filter.
-   *
-   * @param \Drupal\Core\Routing\FilterInterface $route_filter
-   *   The route filter.
-   *
-   * @deprecated in drupal:10.1.0 and is removed from drupal:11.0.0. Use
-   *   route_filter instead.
-   *
-   * @see https://www.drupal.org/node/2894934
-   */
-  public function addDeprecatedRouteFilter(FilterInterface $route_filter) {
-    @trigger_error('non_lazy_route_filter is deprecated in drupal:10.1.0 and is removed from drupal:11.0.0. Use route_filter instead. See https://www.drupal.org/node/2894934', E_USER_DEPRECATED);
-    $this->filters[] = $route_filter;
-  }
-
   /**
    * Adds a route enhancer.
    *
@@ -110,22 +94,6 @@ public function addRouteEnhancer(EnhancerInterface $route_enhancer) {
     $this->enhancers[] = $route_enhancer;
   }
 
-  /**
-   * Adds a deprecated route enhancer.
-   *
-   * @param \Drupal\Core\Routing\EnhancerInterface $route_enhancer
-   *   The route enhancer.
-   *
-   * @deprecated in drupal:10.1.0 and is removed from drupal:11.0.0. Use
-   *   route_enhancer instead.
-   *
-   * @see https://www.drupal.org/node/2894934
-   */
-  public function addDeprecatedRouteEnhancer(EnhancerInterface $route_enhancer) {
-    @trigger_error('non_lazy_route_enhancer is deprecated in drupal:10.1.0 and is removed from drupal:11.0.0. Use route_enhancer instead. See https://www.drupal.org/node/2894934', E_USER_DEPRECATED);
-    $this->enhancers[] = $route_enhancer;
-  }
-
   /**
    * {@inheritdoc}
    */
diff --git a/core/tests/Drupal/Tests/Core/Routing/RouterUnsupportedTest.php b/core/tests/Drupal/Tests/Core/Routing/RouterUnsupportedTest.php
index a0368ea80d02df46564014deebcffc5d9e70d8c6..cc306b0812e7047c3b66fcf6d7944af95e45dc22 100644
--- a/core/tests/Drupal/Tests/Core/Routing/RouterUnsupportedTest.php
+++ b/core/tests/Drupal/Tests/Core/Routing/RouterUnsupportedTest.php
@@ -5,8 +5,6 @@
 namespace Drupal\Tests\Core\Routing;
 
 use Drupal\Core\Path\CurrentPathStack;
-use Drupal\Core\Routing\EnhancerInterface;
-use Drupal\Core\Routing\FilterInterface;
 use Drupal\Core\Routing\RouteProviderInterface;
 use Drupal\Core\Routing\Router;
 use Drupal\Core\Routing\UrlGeneratorInterface;
@@ -37,29 +35,4 @@ public function testGenerateUnsupported() {
     $router->generate($route_name);
   }
 
-  /**
-   * @covers ::addDeprecatedRouteFilter
-   * @covers ::addDeprecatedRouteEnhancer
-   */
-  public function testDeprecatedAdd() {
-    // Test needs access to router's protected properties.
-    $filters = new \ReflectionProperty(Router::class, 'filters');
-    $enhancers = new \ReflectionProperty(Router::class, 'enhancers');
-
-    $route_provider = $this->prophesize(RouteProviderInterface::class);
-    $current_path_stack = $this->prophesize(CurrentPathStack::class);
-    $url_generator = $this->prophesize(UrlGeneratorInterface::class);
-    $router = new Router($route_provider->reveal(), $current_path_stack->reveal(), $url_generator->reveal());
-
-    $this->expectDeprecation('non_lazy_route_filter is deprecated in drupal:10.1.0 and is removed from drupal:11.0.0. Use route_filter instead. See https://www.drupal.org/node/2894934');
-    $filter = $this->prophesize(FilterInterface::class)->reveal();
-    $router->addDeprecatedRouteFilter($filter);
-    $this->assertSame($filter, $filters->getValue($router)[0]);
-
-    $this->expectDeprecation('non_lazy_route_enhancer is deprecated in drupal:10.1.0 and is removed from drupal:11.0.0. Use route_enhancer instead. See https://www.drupal.org/node/2894934');
-    $enhancer = $this->prophesize(EnhancerInterface::class)->reveal();
-    $router->addDeprecatedRouteEnhancer($enhancer);
-    $this->assertSame($enhancer, $enhancers->getValue($router)[0]);
-  }
-
 }