diff --git a/core/lib/Drupal/Core/Entity/EntityEvents.php b/core/lib/Drupal/Core/Entity/EntityEvents.php
index 3c62b17..7074eca 100644
--- a/core/lib/Drupal/Core/Entity/EntityEvents.php
+++ b/core/lib/Drupal/Core/Entity/EntityEvents.php
@@ -11,20 +11,6 @@
 final class EntityEvents {
 
   /**
-   * Maps entity hook names to event names.
-   *
-   * @var string[]
-   */
-  const HOOK_TO_EVENT_MAP = [
-    'create' => self::CREATE,
-    'presave' => self::PRESAVE,
-    'insert' => self::INSERT,
-    'update' => self::UPDATE,
-    'predelete' => self::PREDELETE,
-    'delete' => self::DELETE,
-  ];
-
-  /**
    * Name of the event fired when creating an entity.
    *
    * This hook runs after a new entity object has just been instantiated.
diff --git a/core/lib/Drupal/Core/Entity/EntityStorageBase.php b/core/lib/Drupal/Core/Entity/EntityStorageBase.php
index 2173485..ceafc9c 100644
--- a/core/lib/Drupal/Core/Entity/EntityStorageBase.php
+++ b/core/lib/Drupal/Core/Entity/EntityStorageBase.php
@@ -168,7 +168,15 @@ protected function invokeHook($hook, EntityInterface $entity) {
     // Invoke the respective entity-level hook.
     $this->moduleHandler()->invokeAll('entity_' . $hook, array($entity));
 
-    $hook_to_event_map = EntityEvents::HOOK_TO_EVENT_MAP;
+    // Map hook names to event names.
+    $hook_to_event_map = [
+      'create' => EntityEvents::CREATE,
+      'presave' => EntityEvents::PRESAVE,
+      'insert' => EntityEvents::INSERT,
+      'update' => EntityEvents::UPDATE,
+      'predelete' => EntityEvents::PREDELETE,
+      'delete' => EntityEvents::DELETE,
+    ];
     if (isset($hook_to_event_map[$hook])) {
       \Drupal::service('event_dispatcher')->dispatch($hook_to_event_map[$hook], new EntityEvent($entity));
     }