- Patch #550742 by David_Rothstein: removed left-over code: remove search box settings because we already remove the search box.

modules/system/system.admin.inc

@@ -436,7 +436,6 @@ function system_theme_settings($form, &$form_state, $key = '') {
     'node_user_picture'         => t('User pictures in posts'),
     'comment_user_picture'      => t('User pictures in comments'),
     'comment_user_verification' => t('User verification status in comments'),
-    'search'                    => t('Search box'),
     'favicon'                   => t('Shortcut icon'),
     'main_menu'                 => t('Main menu'),
     'secondary_menu'            => t('Secondary menu'),

modules/system/system.module

@@ -2217,7 +2217,6 @@ function _system_rebuild_theme_data() {
         'logo',
         'name',
         'node_user_picture',
-        'search',
         'slogan',
         'main_menu',
         'secondary_menu',