diff --git a/lib/modules/ens/embarkjs.js b/lib/modules/ens/embarkjs.js
index dd3439549..ad10035e0 100644
--- a/lib/modules/ens/embarkjs.js
+++ b/lib/modules/ens/embarkjs.js
@@ -245,7 +245,6 @@ __embarkENS.lookup = function (address, callback) {
 };
 
 __embarkENS.registerSubDomain = function (name, address, callback) {
-  const self = this;
   callback = callback || function () {};
 
   if (!web3.eth.defaultAccount) {