diff --git a/core/includes/theme.inc b/core/includes/theme.inc
index 58aa64e..4325348 100644
--- a/core/includes/theme.inc
+++ b/core/includes/theme.inc
@@ -2259,9 +2259,6 @@ function theme_mark($variables) {
  */
 function template_preprocess_item_list(&$variables) {
   $variables['title'] = (string) $variables['title'];
-  // Change the name since 'type' clashes with #type.
-  // @see http://drupal.org/node/1828536
-  $variables['list_type'] = $variables['type'];
 
   // Prepare for adding classes to each item.
   $num_items = count($variables['items']);