diff --git a/www/settings/inner.js b/www/settings/inner.js
index 990057e25..f706595f4 100644
--- a/www/settings/inner.js
+++ b/www/settings/inner.js
@@ -1161,7 +1161,6 @@ define([
                         h('i.fa.fa-check'),
                         h('span', Messages.mfa_enable)
                     ]);
-                    var $confirmBtn = $(confirmOTP);
                     var lock = false;
 
                     confirmOTP.addEventListener('click', function () {