Index: wp-includes/wp-db.php
===================================================================
--- wp-includes/wp-db.php	(revision 17450)
+++ wp-includes/wp-db.php	(working copy)
@@ -1030,7 +1030,6 @@
 	 * @since 3.0.0
 	 */
 	function db_connect() {
-		global $db_list, $global_db_list;
 
 		if ( WP_DEBUG ) {
 			$this->dbh = mysql_connect( $this->dbhost, $this->dbuser, $this->dbpassword, true );