diff --git a/wp-includes/ms-blogs.php b/wp-includes/ms-blogs.php
index fdeccdb1da..19bea526a6 100644
--- a/wp-includes/ms-blogs.php
+++ b/wp-includes/ms-blogs.php
@@ -43,8 +43,6 @@ function get_blogaddress_by_id( $blog_id ) {
  * @return string
  */
 function get_blogaddress_by_name( $blogname ) {
-	global $current_site;
-
 	if ( is_subdomain_install() ) {
 		if ( $blogname == 'main' )
 			$blogname = 'www';