diff --git a/core/modules/block/lib/Drupal/block/Plugin/views/display/Block.php b/core/modules/block/lib/Drupal/block/Plugin/views/display/Block.php
index 0495e1b..04c5f04 100644
--- a/core/modules/block/lib/Drupal/block/Plugin/views/display/Block.php
+++ b/core/modules/block/lib/Drupal/block/Plugin/views/display/Block.php
@@ -163,9 +163,6 @@ public function buildOptionsForm(&$form, &$form_state) {
   public function submitOptionsForm(&$form, &$form_state) {
     parent::submitOptionsForm($form, $form_state);
     switch ($form_state['section']) {
-      case 'display_id':
-        $this->updateBlockBid($form_state['view']->storage->get('name'), $this->display['id'], $this->display['new_id']);
-        break;
       case 'block_description':
         $this->setOption('block_description', $form_state['values']['block_description']);
         break;
@@ -185,36 +182,4 @@ public function usesExposed() {
       return FALSE;
     }
 
-  /**
-   * Update the block delta when you change the machine readable name of the display.
-   */
-  protected function updateBlockBid($name, $old_delta, $delta) {
-    $old_hashes = $hashes = state()->get('views_block_hashes');
-
-    $old_delta = $name . '-' . $old_delta;
-    $delta = $name . '-' . $delta;
-    if (strlen($old_delta) >= 32) {
-      $old_delta = md5($old_delta);
-      unset($hashes[$old_delta]);
-    }
-    if (strlen($delta) >= 32) {
-      $md5_delta = md5($delta);
-      $hashes[$md5_delta] = $delta;
-      $delta = $md5_delta;
-    }
-
-    // Maybe people don't have block module installed, so let's skip this.
-    if (db_table_exists('block')) {
-      db_update('block')
-        ->fields(array('delta' => $delta))
-        ->condition('delta', $old_delta)
-        ->execute();
-    }
-
-    // Update the hashes if needed.
-    if ($hashes != $old_hashes) {
-      state()->set('views_block_hashes', $hashes);
-    }
-  }
-
 }