diff --git a/core/modules/system/tests/modules/ajax_test/ajax_test.module b/core/modules/system/tests/modules/ajax_test/ajax_test.module
index 3d01f2a..67a9340 100644
--- a/core/modules/system/tests/modules/ajax_test/ajax_test.module
+++ b/core/modules/system/tests/modules/ajax_test/ajax_test.module
@@ -35,10 +35,6 @@ function ajax_test_menu() {
     'access callback' => TRUE,
     'type' => MENU_CALLBACK,
   );
-  $items['ajax-test/dialog'] = array(
-    'title' => 'AJAX Dialog',
-    'route_name' => 'ajax_test_dialog',
-  );
   $items['ajax-test/dialog-close'] = array(
     'title' => 'AJAX Dialog close',
     'page callback' => 'ajax_test_dialog_close',
diff --git a/core/modules/system/tests/modules/ajax_test/ajax_test.routing.yml b/core/modules/system/tests/modules/ajax_test/ajax_test.routing.yml
index 6b45ab9..bffadb7 100644
--- a/core/modules/system/tests/modules/ajax_test/ajax_test.routing.yml
+++ b/core/modules/system/tests/modules/ajax_test/ajax_test.routing.yml
@@ -13,6 +13,7 @@ ajax_test_dialog_form:
 ajax_test_dialog:
   pattern: 'ajax-test/dialog'
   defaults:
+    _title: 'AJAX Dialog'
     _content: '\Drupal\ajax_test\AjaxTestController::dialog'
   requirements:
     _access: 'TRUE'