diff --git a/.gitattributes b/.gitattributes
index b377ffb..ac74072 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -51,3 +51,5 @@
 *.png     -text diff
 *.phar    -text diff
 *.exe     -text diff
+*.php set diff
+
diff --git a/core/lib/Drupal/Core/Update/UpdateKernel.php b/core/lib/Drupal/Core/Update/UpdateKernel.php
index 1c2ca61..de7da1b 100755
--- a/core/lib/Drupal/Core/Update/UpdateKernel.php
+++ b/core/lib/Drupal/Core/Update/UpdateKernel.php
@@ -60,27 +60,6 @@ class UpdateKernel extends DrupalKernel {
   }
 
   /**
-   * {@inheritdoc}
-   */
-  protected function initializeContainer() {
-    $container = parent::initializeContainer();
-
-    $routes = new RouteCollection();
-
-    $routes->add('<front>', new Route('/', ['_title' => 'Home'], ['_access' => 'TRUE']));
-    $routes->add('<none>', new Route('', [], ['_access' => 'TRUE'], ['_no_path' => TRUE]));
-    $routes->add('<current>', new Route('<current>'));
-    $routes->add('system.site_maintenance_mode', new Route('/admin/config/development/maintenance', ['_title' => 'Maintenance mode'], ['_permission' => 'administer site configuration']));
-    $routes->add('system.db_update', new Route('/update.php/{op}', ['op' => 'info'], ['_access' => 'TRUE']));
-
-    $mock_route_provider = new MockRouteProvider($routes);
-    $container->set('@router.route_provider', $mock_route_provider);
-
-    return $container;
-  }
-
-
-  /**
    * Generates the actual result of update.php.
    *
    * The actual logic of the update is done in the db update controller.