diff --git a/libraries/header.inc.php b/libraries/header.inc.php
index 1f0dc81a8..932fb80e4 100644
--- a/libraries/header.inc.php
+++ b/libraries/header.inc.php
@@ -19,7 +19,6 @@ if (empty($GLOBALS['is_header_sent'])) {
     /**
      * Gets a core script and starts output buffering work
      */
-    require_once './libraries/common.inc.php';
     require_once './libraries/ob.lib.php';
     PMA_outBufferPre();