diff --git a/db.methods.js b/db.methods.js
index 55cf699fe..8f8f5409f 100644
--- a/db.methods.js
+++ b/db.methods.js
@@ -1,4 +1,3 @@
-require('es6-promise').polyfill();
 
 var assert = require('assert');
 var web3 = require('../index.js');
diff --git a/eth.methods.js b/eth.methods.js
index 5baedb884..002268565 100644
--- a/eth.methods.js
+++ b/eth.methods.js
@@ -1,5 +1,3 @@
-require('es6-promise').polyfill();
-
 var assert = require('assert');
 var web3 = require('../index.js');
 var u = require('./utils.js');
diff --git a/shh.methods.js b/shh.methods.js
index 2e7e1387b..fe2dae71d 100644
--- a/shh.methods.js
+++ b/shh.methods.js
@@ -1,5 +1,3 @@
-require('es6-promise').polyfill();
-
 var assert = require('assert');
 var web3 = require('../index.js');
 var u = require('./utils.js');
diff --git a/web3.methods.js b/web3.methods.js
index 3ff4103e3..1b5792110 100644
--- a/web3.methods.js
+++ b/web3.methods.js
@@ -1,5 +1,3 @@
-require('es6-promise').polyfill();
-
 var assert = require('assert');
 var web3 = require('../index.js');
 var u = require('./utils.js');