diff --git a/core/modules/block/custom_block/lib/Drupal/custom_block/Plugin/Core/Entity/CustomBlock.php b/core/modules/block/custom_block/lib/Drupal/custom_block/Plugin/Core/Entity/CustomBlock.php
index 3c1dce662dfa1931ed690caa9b85f07491d1ed77..deabda4467a7c5b50d0a86b9bd84a2004f269dba 100644
--- a/core/modules/block/custom_block/lib/Drupal/custom_block/Plugin/Core/Entity/CustomBlock.php
+++ b/core/modules/block/custom_block/lib/Drupal/custom_block/Plugin/Core/Entity/CustomBlock.php
@@ -120,20 +120,6 @@ class CustomBlock extends EntityNG implements CustomBlockInterface {
    */
   protected $theme;
 
-  /**
-   * {@inheritdoc}
-   */
-  public function id() {
-    return $this->id->value;
-  }
-
-  /**
-   * {@inheritdoc}
-   */
-  public function bundle() {
-    return $this->type->value;
-  }
-
   /**
    * {@inheritdoc}
    */