diff --git a/core/modules/views_ui/lib/Drupal/views_ui/ViewUI.php b/core/modules/views_ui/lib/Drupal/views_ui/ViewUI.php
index 5877f28..42d58d9 100644
--- a/core/modules/views_ui/lib/Drupal/views_ui/ViewUI.php
+++ b/core/modules/views_ui/lib/Drupal/views_ui/ViewUI.php
@@ -534,6 +534,7 @@ public function renderPreview($display_id, $args = array()) {
     $output = '';
 
     $errors = $this->executable->validate();
+    $this->executable->destroy();
     if (empty($errors)) {
       $this->ajax = TRUE;
       $this->executable->live_preview = TRUE;