diff --git a/example/web/tdweb/src/index.js b/example/web/tdweb/src/index.js
index 7134c433..728a5888 100644
--- a/example/web/tdweb/src/index.js
+++ b/example/web/tdweb/src/index.js
@@ -1,6 +1,5 @@
 import MyWorker from './worker.js';
 //import localforage from 'localforage';
-//import './third_party/broadcastchannel.js';
 import BroadcastChannel from 'broadcast-channel';
 import uuid4 from 'uuid/v4';
 import log from './logger.js';
diff --git a/example/web/tdweb/src/third_party/broadcastchannel.js b/example/web/tdweb/src/third_party/broadcastchannel.js
deleted file mode 100644
index a3c46629..00000000
--- a/example/web/tdweb/src/third_party/broadcastchannel.js
+++ /dev/null
@@ -1,83 +0,0 @@
-// from https://gist.github.com/inexorabletash/52f437d1451d12145264
-(function(global) {
-  var channels = [];
-
-  function BroadcastChannel(channel) {
-    var $this = this;
-    channel = String(channel);
-
-    var id = '$BroadcastChannel$' + channel + '$';
-
-    channels[id] = channels[id] || [];
-    channels[id].push(this);
-
-    this._name = channel;
-    this._id = id;
-    this._closed = false;
-    this._mc = new MessageChannel();
-    this._mc.port1.start();
-    this._mc.port2.start();
-
-    global.addEventListener('storage', function(e) {
-      if (e.storageArea !== global.localStorage) return;
-      if (e.newValue === null) return;
-      if (e.key.substring(0, id.length) !== id) return;
-      var data = JSON.parse(e.newValue);
-      $this._mc.port2.postMessage(data);
-    });
-  }
-
-  BroadcastChannel.prototype = {
-    // BroadcastChannel API
-    get name() { return this._name; },
-    postMessage: function(message) {
-      var $this = this;
-      if (this._closed) {
-        var e = new Error();
-        e.name = 'InvalidStateError';
-        throw e;
-      }
-      var value = JSON.stringify(message);
-
-      // Broadcast to other contexts via storage events...
-      var key = this._id + String(Date.now()) + '$' + String(Math.random());
-      global.localStorage.setItem(key, value);
-      setTimeout(function() { global.localStorage.removeItem(key); }, 500);
-
-      // Broadcast to current context via ports
-      channels[this._id].forEach(function(bc) {
-        if (bc === $this) return;
-        bc._mc.port2.postMessage(JSON.parse(value));
-      });
-    },
-    close: function() {
-      if (this._closed) return;
-      this._closed = true;
-      this._mc.port1.close();
-      this._mc.port2.close();
-
-      var index = channels[this._id].indexOf(this);
-      channels[this._id].splice(index, 1);
-    },
-
-    // EventTarget API
-    get onmessage() { return this._mc.port1.onmessage; },
-    set onmessage(value) { this._mc.port1.onmessage = value; },
-    addEventListener: function(type, listener /*, useCapture*/) {
-      return this._mc.port1.addEventListener.apply(this._mc.port1, arguments);
-    },
-    removeEventListener: function(type, listener /*, useCapture*/) {
-      return this._mc.port1.removeEventListener.apply(this._mc.port1, arguments);
-    },
-    dispatchEvent: function(event) {
-      return this._mc.port1.dispatchEvent.apply(this._mc.port1, arguments);
-    }
-  };
-
-  if (global.BroadcastChannel) {
-    console.log("already has native BroadcastChannel");
-  } else {
-    global.BroadcastChannel = BroadcastChannel;
-    console.log("use polyfill for BroadcastChannel");
-  }
-}(window.top));