diff -u b/core/lib/Drupal/Core/Config/Entity/ConfigEntityListBuilder.php b/core/lib/Drupal/Core/Config/Entity/ConfigEntityListBuilder.php
--- b/core/lib/Drupal/Core/Config/Entity/ConfigEntityListBuilder.php
+++ b/core/lib/Drupal/Core/Config/Entity/ConfigEntityListBuilder.php
@@ -24,7 +24,7 @@
 
     // Suppress errors because Log::findCaller() will indirectly modify the
     // contents, triggering https://bugs.php.net/bug.php?id=50688.
-    @uasort($entities, array($this->entityType->getClass(), 'sort'));
+    @uasort($entities, [$this->entityType->getClass(), 'sort']);
     return $entities;
   }