diff --git a/core/class/router.class.php b/core/class/router.class.php
index 7c7860b..acaf31d 100644
--- a/core/class/router.class.php
+++ b/core/class/router.class.php
@@ -479,7 +479,6 @@ class core extends common
 						is_array($pagesId['page']) &&
 						array_key_exists($this->getUrl(0), $pagesId['page'])
 					) {
-						//$_SESSION['ZWII_SITE_CONTENT'] = $key;
 						header('Refresh:0; url=' . helper::baseUrl() . 'course/swap/' . $key . '/' . $this->getUrl(0));
 						exit();
 					}