diff --git a/app/code/Magento/Cron/Observer/ProcessCronQueueObserver.php b/app/code/Magento/Cron/Observer/ProcessCronQueueObserver.php
index 9374f725103c0..f772a6c0c8493 100644
--- a/app/code/Magento/Cron/Observer/ProcessCronQueueObserver.php
+++ b/app/code/Magento/Cron/Observer/ProcessCronQueueObserver.php
@@ -544,7 +544,7 @@ protected function getScheduleTimeInterval($groupId)
      * @param string $groupId
      * @return void
      */
-    public function cleanupDisabledJobs($groupId)
+    private function cleanupDisabledJobs($groupId)
     {
         $jobs = $this->getJobs();
         foreach ($jobs[$groupId] as $jobCode => $jobConfig) {