diff --git a/js/src/serviceWorker.js b/js/src/serviceWorker.js
deleted file mode 100644
index cf53dcd46..000000000
--- a/js/src/serviceWorker.js
+++ /dev/null
@@ -1,31 +0,0 @@
-// Copyright 2015-2017 Parity Technologies (UK) Ltd.
-// This file is part of Parity.
-
-// Parity is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
-
-import toolbox from 'sw-toolbox';
-
-/**
- * Cache the SOLC files : if not available, make a network request
- */
-toolbox.router.any(/rawgit.com\/ethereum\/solc-bin(.+)list\.json$/, toolbox.networkFirst);
-toolbox.router.any(/rawgit.com\/ethereum\/solc-bin(.+)soljson(.+)\.js$/, toolbox.cacheFirst);
-
-self.addEventListener('install', (event) => {
-  event.waitUntil(self.skipWaiting());
-});
-
-self.addEventListener('activate', (event) => {
-  event.waitUntil(self.clients.claim());
-});