diff --git a/core/modules/editor/lib/Drupal/editor/EditorBundle.php b/core/modules/editor/lib/Drupal/editor/EditorBundle.php
index 2687485..6cf1603 100644
--- a/core/modules/editor/lib/Drupal/editor/EditorBundle.php
+++ b/core/modules/editor/lib/Drupal/editor/EditorBundle.php
@@ -8,6 +8,7 @@
 namespace Drupal\editor;
 
 use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\DependencyInjection\Reference;
 use Symfony\Component\HttpKernel\Bundle\Bundle;
 
 /**
diff --git a/core/modules/tour/lib/Drupal/tour/TourBundle.php b/core/modules/tour/lib/Drupal/tour/TourBundle.php
index af18093..ebb362a 100644
--- a/core/modules/tour/lib/Drupal/tour/TourBundle.php
+++ b/core/modules/tour/lib/Drupal/tour/TourBundle.php
@@ -8,6 +8,7 @@
 namespace Drupal\tour;
 
 use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\DependencyInjection\Reference;
 use Symfony\Component\HttpKernel\Bundle\Bundle;
 
 /**