diff --git a/wp-admin/includes/upgrade.php b/wp-admin/includes/upgrade.php
index 4de9b109f45fdeec8057ac6dfcd574eaee3346fc..6ab856fdad873a3eb0dc00d3a811db9b2c56db2a 100644
--- a/wp-admin/includes/upgrade.php
+++ b/wp-admin/includes/upgrade.php
@@ -918,6 +918,7 @@ function upgrade_101() {
  * @global wpdb $wpdb WordPress database abstraction object.
  */
 function upgrade_110() {
+	return;
 	global $wpdb;
 
 	// Set user_nicename.