diff --git a/core/modules/dblog/dblog.post_update.php b/core/modules/dblog/dblog.post_update.php
index ce09822..5c60294 100644
--- a/core/modules/dblog/dblog.post_update.php
+++ b/core/modules/dblog/dblog.post_update.php
@@ -3,7 +3,6 @@
 use Drupal\Core\Config\FileStorage;
 use Drupal\Core\Config\InstallStorage;
 use Drupal\views\Entity\View;
-use Symfony\Component\Yaml\Yaml;
 
 /**
  * @addtogroup updates-8.3.x