diff -u b/core/modules/block/block.module b/core/modules/block/block.module
--- b/core/modules/block/block.module
+++ b/core/modules/block/block.module
@@ -6,12 +6,13 @@
  */
 
 use Drupal\block\BlockInterface;
+use Drupal\block\Entity\Block;
 use Drupal\Component\Utility\Html;
 use Drupal\Core\Routing\RouteMatchInterface;
 use Drupal\Core\Url;
 use Drupal\language\ConfigurableLanguageInterface;
+use Drupal\node\NodeTypeInterface;;
 use Drupal\system\Entity\Menu;
-use Drupal\block\Entity\Block;
 
 /**
  * Implements hook_help().