diff --git a/core/modules/file/file.field.inc b/core/modules/file/file.field.inc
index 6c06575..f238893 100644
--- a/core/modules/file/file.field.inc
+++ b/core/modules/file/file.field.inc
@@ -67,7 +67,7 @@ function template_preprocess_file_widget_multiple(&$variables) {
   usort($widgets, '_field_multiple_value_form_sort_helper');
 
   $rows = array();
-  foreach ($widgets as $key => &$widget) {
+  foreach ($widgets as &$widget) {
     // Save the uploading row for last.
     if (empty($widget['#files'])) {
       $widget['#title'] = $element['#file_upload_title'];