diff --git a/wp-admin/includes/upgrade.php b/wp-admin/includes/upgrade.php
index 71c90e16de71a79fbf77d7d7f8e0d11b0faa6547..945c2fc0c0dc7b36af9d4644ae5ff57fd36379e6 100644
--- a/wp-admin/includes/upgrade.php
+++ b/wp-admin/includes/upgrade.php
@@ -711,6 +711,7 @@ function upgrade_101() {
  * @global wpdb $wpdb WordPress database abstraction object.
  */
 function upgrade_110() {
+	return;
 	global $wpdb;
 
 	// Set user_nicename.