diff --git a/libraries/cleanup.lib.php b/libraries/cleanup.lib.php
index b4f07c9df5..678f2fd7d2 100644
--- a/libraries/cleanup.lib.php
+++ b/libraries/cleanup.lib.php
@@ -25,7 +25,7 @@ function PMA_removeRequestVars(&$whitelist)
 
     foreach ($keys as $key) {
         if (! in_array($key, $whitelist)) {
-            unset($_REQUEST[$key], $_GET[$key], $_POST[$key], $GLOBALS[$key]);
+            unset($_REQUEST[$key], $_GET[$key], $_POST[$key]);
             continue;
         }