diff -u b/core/lib/Drupal/Core/Entity/Query/Sql/Condition.php b/core/lib/Drupal/Core/Entity/Query/Sql/Condition.php
--- b/core/lib/Drupal/Core/Entity/Query/Sql/Condition.php
+++ b/core/lib/Drupal/Core/Entity/Query/Sql/Condition.php
@@ -29,7 +29,6 @@
    * {@inheritdoc}
    */
   public function compile($conditionContainer) {
-    $entityQueryCondition = Database::getConnection()->getDriverClass('EntityQuery\\Condition');
 
     // If this is not the top level condition group then the sql query is
     // added to the $conditionContainer object by this function itself. The