diff --git a/database/updates.inc b/database/updates.inc
index 1481197573358007fdc933624f8a92787ffd10d8..6fbaa385842110b01d2e9cbb93db57b9e9cccb95 100644
--- a/database/updates.inc
+++ b/database/updates.inc
@@ -1971,6 +1971,7 @@ function update_111() {
   $ret = array();
 
   if ($GLOBALS['db_type'] == 'mysql') {
+    $ret[] = update_sql('DELETE FROM {variable} WHERE name LIKE 'throttle_%';
     $ret[] = update_sql('ALTER TABLE {sessions} ADD PRIMARY KEY sid (sid)');
   }