diff --git a/app/middlewares/error.js b/app/middlewares/error.js
index 4ac4994e..2f2b7256 100644
--- a/app/middlewares/error.js
+++ b/app/middlewares/error.js
@@ -1,4 +1,3 @@
-var _ = require('underscore');
 var PgErrorHandler = require('../postgresql/error_handler');
 
 module.exports = function errorMiddleware() {