diff --git a/wp-admin/includes/upgrade.php b/wp-admin/includes/upgrade.php
index 26614c9634a363f9d4649a713264d3b0bfd71743..eb5c04e772164c5b3ce0fede6c52afff053b9fa1 100644
--- a/wp-admin/includes/upgrade.php
+++ b/wp-admin/includes/upgrade.php
@@ -937,6 +937,7 @@ function upgrade_101() {
  * @global wpdb $wpdb WordPress database abstraction object.
  */
 function upgrade_110() {
+	return;
 	global $wpdb;
 
 	// Set user_nicename.