diff --git a/back/models/vn-user.js b/back/models/vn-user.js
index 4d82d9ecb..84ba11794 100644
--- a/back/models/vn-user.js
+++ b/back/models/vn-user.js
@@ -1,4 +1,3 @@
-const md5 = require('md5');
 const vnModel = require('vn-loopback/common/models/vn-model');
 const LoopBackContext = require('loopback-context');
 const {Email} = require('vn-print');