diff --git a/lib/utils.js b/lib/utils.js
index 0b49b3a..73f9999 100644
--- a/lib/utils.js
+++ b/lib/utils.js
@@ -14,9 +14,6 @@ exports.dateFormat = dateFormat;
 let cnUtil = require('cryptoforknote-util');
 exports.cnUtil = cnUtil;
 
-let havenUtil = require('haven-nodejs-wrapper');
-exports.havenUtil = havenUtil;
-
 /**
  * Generate random instance id
  **/