Index: modules/system/system.admin.inc
===================================================================
RCS file: /cvs/drupal/drupal/modules/system/system.admin.inc,v
retrieving revision 1.295
diff -u -p -r1.295 system.admin.inc
--- modules/system/system.admin.inc	15 Aug 2010 02:01:50 -0000	1.295
+++ modules/system/system.admin.inc	17 Aug 2010 18:30:02 -0000
@@ -2029,7 +2029,7 @@ function theme_system_date_time_settings
     $delete_key = $key . '_delete';
     $row = array();
     $row[] = $form['format'][$key]['#title'];
-    unset($form['format'][$key]['#title']);
+    $row[] = $form['format'][$key]['#title_display'] = 'invisible';
     $row[] = array('data' => drupal_render($form['format'][$key]));
     $row[] = array('data' => drupal_render($form['delete'][$delete_key]));
     $rows[] = $row;