diff --git a/lib/server.js b/lib/server.js
index 39a3477..3935b8b 100644
--- a/lib/server.js
+++ b/lib/server.js
@@ -1,6 +1,5 @@
 const Duplex = require('stream').Duplex;
 const browserChannel = require('browserchannel').server;
-const util = require('util');
 
 module.exports = function(backend, serverOptions) {
   return browserChannel(serverOptions, function(client, connectRequest) {