Index: wp-includes/nav-menu-template.php
===================================================================
--- wp-includes/nav-menu-template.php	(revision 14590)
+++ wp-includes/nav-menu-template.php	(working copy)
@@ -251,13 +251,9 @@
 	$nav_menu .= '<ul'. $attributes .'>';
 
 	// Allow plugins to hook into the menu to add their own <li>'s
-	if ( 'frontend' == $args->context ) {
-		$items = apply_filters( 'wp_nav_menu_items', $items, $args );
-		$items = apply_filters( "wp_nav_menu_{$menu->slug}_items", $items, $args );
-		$nav_menu .= $items;
-	} else {
-		$nav_menu .= $items;
-	}
+	$items = apply_filters( 'wp_nav_menu_items', $items, $args );
+	$items = apply_filters( "wp_nav_menu_{$menu->slug}_items", $items, $args );
+	$nav_menu .= $items;
 	unset($items);
 
 	$nav_menu .= '</ul>';