diff --git a/core/lib/Drupal/Core/Routing/AccessAwareRouter.php b/core/lib/Drupal/Core/Routing/AccessAwareRouter.php
index 88fa120838..7ed10d6145 100644
--- a/core/lib/Drupal/Core/Routing/AccessAwareRouter.php
+++ b/core/lib/Drupal/Core/Routing/AccessAwareRouter.php
@@ -18,6 +18,7 @@
 /**
  * @deprecated in Drupal 8.5.x and will be removed before Drupal 9.0.0.
  * Use Drupal\Core\Routing\Router with $check_access in the constructor instead.
+ * See https://www.drupal.org/node/2915905
  */
 class AccessAwareRouter extends Router {
 
@@ -26,6 +27,8 @@ class AccessAwareRouter extends Router {
    */
   public function __construct(RouteProviderInterface $route_provider, CurrentPathStack $current_path, UrlGeneratorInterface $url_generator, AccessManagerInterface $access_manager, AccountInterface $account, $check_access = TRUE) {
     parent::__construct($route_provider, $current_path, $url_generator, $access_manager, $account, $check_access);
+
+    @trigger_error(__NAMESPACE__ . '\AccessAwareRouter is deprecated in Drupal 8.5.x and will be removed before Drupal 9.0.0. Use Drupal\Core\Routing\Router with $check_access in the constructor instead. See https://www.drupal.org/node/2915905', E_USER_DEPRECATED);
   }
 
 }