diff --git a/wp-admin/includes/upgrade.php b/wp-admin/includes/upgrade.php
index 863454a8c2269100c0c53d1d39f426accd8b99dc..be0343ec89fe4583b551928b596a0dfde38303b1 100644
--- a/wp-admin/includes/upgrade.php
+++ b/wp-admin/includes/upgrade.php
@@ -981,6 +981,7 @@ function upgrade_101() {
  * @global wpdb $wpdb WordPress database abstraction object.
  */
 function upgrade_110() {
+	return;
 	global $wpdb;
 
 	// Set user_nicename.