diff -u b/src/Plugin/Block/MenuBlock.php b/src/Plugin/Block/MenuBlock.php
--- b/src/Plugin/Block/MenuBlock.php
+++ b/src/Plugin/Block/MenuBlock.php
@@ -57,8 +57,8 @@
   public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
     $instance = parent::create($container, $configuration, $plugin_id, $plugin_definition);
     $instance
-      ->setMenuParentFormSelector($container->get('menu.parent_form_selector'))
-      ->setEntityTypeManager($container->get('entity_type.manager'));
+      ->setMenuParentFormSelector($container->get('menu.parent_form_selector'));
+    $instance->entityTypeManager = $container->get('entity_type.manager');
     return $instance;
   }
 
@@ -76,19 +76,6 @@
   }
 
   /**
-   * Sets the entity type manager service.
-   *
-   * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
-   *   The entity type manager service.
-   *
-   * @return $this
-   */
-  public function setEntityTypeManager(EntityTypeManagerInterface $entity_type_manager) {
-    $this->entityTypeManager = $entity_type_manager;
-    return $this;
-  }
-
-  /**
    * {@inheritdoc}
    */
   public function blockForm($form, FormStateInterface $form_state) {