diff --git a/src/client/encrypt.js b/src/client/encrypt.js
index 872dc63..654493f 100644
--- a/src/client/encrypt.js
+++ b/src/client/encrypt.js
@@ -1,5 +1,6 @@
 var crypto = require('crypto');
 var yggserver = require('yggdrasil').server({});
+var ursa=require("../ursa");
 var debug = require("../debug");
 
 module.exports = function(client) {
diff --git a/src/createClient.js b/src/createClient.js
index e73bce8..d610c1c 100644
--- a/src/createClient.js
+++ b/src/createClient.js
@@ -1,9 +1,7 @@
-var ursa=require("./ursa");
 var net = require('net');
 var dns = require('dns');
 var Client = require('./client');
 var assert = require('assert');
-var debug = require("./debug");
 
 var encrypt = require('./client/encrypt');
 var keepalive = require('./client/keepalive');