diff --git a/core/modules/block/src/BlockListBuilder.php b/core/modules/block/src/BlockListBuilder.php
index 985169d..5df2be9 100644
--- a/core/modules/block/src/BlockListBuilder.php
+++ b/core/modules/block/src/BlockListBuilder.php
@@ -18,7 +18,6 @@
 use Drupal\Core\Form\FormStateInterface;
 use Symfony\Component\DependencyInjection\ContainerInterface;
 use Symfony\Component\HttpFoundation\Request;
-use Drupal\block\Entity\Block;
 
 /**
  * Defines a class to build a listing of block entities.
@@ -400,7 +399,7 @@ public function validateForm(array &$form, FormStateInterface $form_state) {
    * Form submission handler for the main block administration form.
    */
   public function submitForm(array &$form, FormStateInterface $form_state) {
-    $entities = Block::loadMultiple(array_keys($form_state->getValue('blocks')));
+    $entities = $this->storage->loadMultiple(array_keys($form_state->getValue('blocks')));
     foreach ($entities as $entity_id => $entity) {
       $entity_values = $form_state->getValue(array('blocks', $entity_id));
       $entity->set('weight', $entity_values['weight']);