diff --git a/src/NodeRSA.js b/src/NodeRSA.js
index 6ac90b6..7cea9d4 100644
--- a/src/NodeRSA.js
+++ b/src/NodeRSA.js
@@ -5,17 +5,12 @@
  * License MIT
  */
 
-var constants = require('constants');
 var rsa = require('./libs/rsa.js');
 var _ = require('./utils')._;
 var utils = require('./utils');
 var schemes = require('./schemes/schemes.js');
 var formats = require('./formats/formats.js');
 
-if (typeof constants.RSA_NO_PADDING === "undefined") {
-    //patch for node v0.10.x, constants do not defined
-    constants.RSA_NO_PADDING = 3;
-}
 
 module.exports = (function () {
     var SUPPORTED_HASH_ALGORITHMS = {