Edit File: rss-functions.php
<?php /** * Deprecated. Use rss.php instead. * * @package WordPress * @deprecated 2.1.0 */ if ( ! defined( 'ABSPATH' ) ) { exit(); } _deprecated_file( basename( __FILE__ ), '2.1.0', WPINC . '/rss.php' ); require_once ABSPATH . WPINC . '/rss.php';