diff --git a/core/lib/Drupal/Core/Form/ConfigFormBase.php b/core/lib/Drupal/Core/Form/ConfigFormBase.php
index cc0b002d84c..707e580d5a6 100644
--- a/core/lib/Drupal/Core/Form/ConfigFormBase.php
+++ b/core/lib/Drupal/Core/Form/ConfigFormBase.php
@@ -3,7 +3,6 @@
 namespace Drupal\Core\Form;
 
 use Drupal\Core\Config\ConfigFactoryInterface;
-use Drupal\Core\Messenger\MessengerTrait;
 use Symfony\Component\DependencyInjection\ContainerInterface;
 
 /**
@@ -11,7 +10,6 @@ use Symfony\Component\DependencyInjection\ContainerInterface;
  */
 abstract class ConfigFormBase extends FormBase {
   use ConfigFormBaseTrait;
-  use MessengerTrait;
 
   /**
    * Constructs a \Drupal\system\ConfigFormBase object.