diff --git a/core/modules/comment/lib/Drupal/comment/Entity/Comment.php b/core/modules/comment/lib/Drupal/comment/Entity/Comment.php
index 59c122b..be0ba39 100644
--- a/core/modules/comment/lib/Drupal/comment/Entity/Comment.php
+++ b/core/modules/comment/lib/Drupal/comment/Entity/Comment.php
@@ -340,7 +340,7 @@ public static function postDelete(EntityStorageControllerInterface $storage_cont
     $child_cids = $storage_controller->getChildCids($entities);
     entity_delete_multiple('comment', $child_cids);
 
-    foreach ($entities as $id => $entity) {
+    foreach ($entities as $entity) {
       $storage_controller->updateNodeStatistics($entity->nid->target_id);
     }
   }