diff --git a/lib/Drupal/views/Plugin/views/cache/CachePluginBase.php b/lib/Drupal/views/Plugin/views/cache/CachePluginBase.php
index ecf010e..92b12fb 100644
--- a/lib/Drupal/views/Plugin/views/cache/CachePluginBase.php
+++ b/lib/Drupal/views/Plugin/views/cache/CachePluginBase.php
@@ -280,9 +280,7 @@ abstract class CachePluginBase extends Plugin {
         // If the default query back-end is used generate SQL query strings from
         // the query objects.
         if ($build_info[$index] instanceof Select) {
-          $query = clone $build_info[$index];
-          $query->preExecute();
-          $build_info[$index] = (string)$query;
+          $build_info[$index] = (string) $build_info[$index];
         }
       }
       $key_data = array(