diff --git a/wp-includes/ms-functions.php b/wp-includes/ms-functions.php
index d4b626721..703175506 100644
--- a/wp-includes/ms-functions.php
+++ b/wp-includes/ms-functions.php
@@ -1981,21 +1981,6 @@ function is_user_option_local( $key, $user_id = 0, $blog_id = 0 ) {
 	return false;
 }
 
-if ( !function_exists('rss_gc') ) :
-function rss_gc() {
-	global $wpdb;
-	// Garbage Collection
-	$rows = $wpdb->get_results( "SELECT meta_key FROM {$wpdb->sitemeta} WHERE meta_key LIKE 'rss\_%\_ts' AND meta_value < unix_timestamp( date_sub( NOW(), interval 7200 second ) )" );
-	if ( is_array( $rows ) ) {
-		foreach ( $rows as $row ) {
-			$wpdb->query( $wpdb->prepare( "DELETE FROM {$wpdb->sitemeta} WHERE meta_key = %s", $row->meta_key ) );
-			$wpdb->query( $wpdb->prepare( "DELETE FROM {$wpdb->sitemeta} WHERE meta_key = %s", str_replace( '_ts', '', $row->meta_key ) ) );
-		}
-	}
-}
-endif;
-add_action( 'wp_rss_gc', 'rss_gc' );
-
 function retrieve_password_sitename( $title ) {
 	global $current_site;
 	return sprintf( __( '[%s] Password Reset' ), $current_site->site_name );