diff --git includes/menu.inc includes/menu.inc
index ab92a22..c356efd 100644
--- includes/menu.inc
+++ includes/menu.inc
@@ -1592,7 +1592,6 @@ function menu_get_active_help() {
   }
 
   $arg = drupal_help_arg(arg(NULL));
-  $empty_arg = drupal_help_arg();
 
   foreach (module_implements('help') as $module) {
     $function = $module . '_help';