diff --git a/core/lib/Drupal/Core/Form/ConfirmFormBase.php b/core/lib/Drupal/Core/Form/ConfirmFormBase.php
index 476df3b..e5899c5 100644
--- a/core/lib/Drupal/Core/Form/ConfirmFormBase.php
+++ b/core/lib/Drupal/Core/Form/ConfirmFormBase.php
@@ -7,6 +7,8 @@
 
 namespace Drupal\Core\Form;
 
+use Symfony\Component\HttpFoundation\Request;
+
 /**
  * Provides an generic base class for a confirmation form.
  */