diff --git a/app/code/Magento/Sitemap/Model/Observer.php b/app/code/Magento/Sitemap/Model/Observer.php
index 755b858398c95..c3eb34602e94c 100644
--- a/app/code/Magento/Sitemap/Model/Observer.php
+++ b/app/code/Magento/Sitemap/Model/Observer.php
@@ -59,11 +59,6 @@ class Observer
      */
     protected $inlineTranslation;
 
-    /**
-     * @var \Magento\Cron\Model\ScheduleFactory
-     */
-    private $scheduleFactory;
-
     /**
      * @param \Magento\Framework\App\Config\ScopeConfigInterface $scopeConfig
      * @param \Magento\Sitemap\Model\ResourceModel\Sitemap\CollectionFactory $collectionFactory