diff --git a/js/src/redux/providers/compilerWorker.js b/js/src/redux/providers/compilerWorker.js
deleted file mode 100644
index 60a07355f..000000000
--- a/js/src/redux/providers/compilerWorker.js
+++ /dev/null
@@ -1,177 +0,0 @@
-// Copyright 2015, 2016 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 solc from 'solc/browser-wrapper';
-import { isWebUri } from 'valid-url';
-
-self.solcVersions = {};
-self.files = {};
-self.lastCompile = {
-  sourcecode: '',
-  result: '',
-  version: ''
-};
-
-// eslint-disable-next-line no-undef
-onmessage = (event) => {
-  const message = JSON.parse(event.data);
-
-  switch (message.action) {
-    case 'compile':
-      compile(message.data);
-      break;
-    case 'load':
-      load(message.data);
-      break;
-    case 'setFiles':
-      setFiles(message.data);
-      break;
-    case 'close':
-      close();
-      break;
-  }
-};
-
-function setFiles (files) {
-  const prevFiles = self.files;
-  const nextFiles = files.reduce((obj, file) => {
-    obj[file.name] = file.sourcecode;
-    return obj;
-  }, {});
-
-  self.files = {
-    ...prevFiles,
-    ...nextFiles
-  };
-}
-
-function findImports (path) {
-  if (self.files[path]) {
-    if (self.files[path].error) {
-      return { error: self.files[path].error };
-    }
-
-    return { contents: self.files[path] };
-  }
-
-  if (isWebUri(path)) {
-    console.log('[worker] fetching', path);
-
-    fetch(path)
-      .then((r) => r.text())
-      .then((c) => {
-        console.log('[worker]', 'got content at ' + path);
-        self.files[path] = c;
-
-        postMessage(JSON.stringify({
-          event: 'try-again'
-        }));
-      })
-      .catch((e) => {
-        console.error('[worker]', 'fetching', path, e);
-        self.files[path] = { error: e };
-      });
-
-    return { error: '__parity_tryAgain' };
-  }
-
-  console.log(`[worker] path ${path} not found...`);
-  return { error: 'File not found' };
-}
-
-function compile (data, optimized = 1) {
-  const { sourcecode, build } = data;
-  const { longVersion } = build;
-
-  if (self.lastCompile.sourcecode === sourcecode && self.lastCompile.longVersion === longVersion) {
-    return postMessage(JSON.stringify({
-      event: 'compiled',
-      data: self.lastCompile.result
-    }));
-  }
-
-  fetchSolc(build)
-    .then((compiler) => {
-      const input = {
-        '': sourcecode
-      };
-
-      const compiled = compiler.compile({ sources: input }, optimized, findImports);
-
-      self.lastCompile = {
-        version: longVersion, result: compiled,
-        sourcecode
-      };
-
-      postMessage(JSON.stringify({
-        event: 'compiled',
-        data: compiled
-      }));
-    });
-}
-
-function load (build) {
-  postMessage(JSON.stringify({
-    event: 'loading',
-    data: true
-  }));
-
-  fetchSolc(build)
-    .then(() => {
-      postMessage(JSON.stringify({
-        event: 'loading',
-        data: false
-      }));
-    })
-    .catch(() => {
-      postMessage(JSON.stringify({
-        event: 'loading',
-        data: false
-      }));
-    });
-}
-
-function fetchSolc (build) {
-  const { path, longVersion } = build;
-
-  if (self.solcVersions[path]) {
-    return Promise.resolve(self.solcVersions[path]);
-  }
-
-  const URL = `https://raw.githubusercontent.com/ethereum/solc-bin/gh-pages/bin/${path}`;
-  console.log(`[worker] fetching solc-bin ${longVersion} at ${URL}`);
-
-  return fetch(URL)
-    .then((r) => r.text())
-    .then((code) => {
-      const solcCode = code.replace(/^var Module;/, 'var Module=self.__solcModule;');
-      self.__solcModule = {};
-
-      console.log(`[worker] evaluating ${longVersion}`);
-
-      // eslint-disable-next-line no-eval
-      eval(solcCode);
-
-      console.log(`[worker] done evaluating ${longVersion}`);
-
-      const compiler = solc(self.__solcModule);
-      self.solcVersions[path] = compiler;
-      return compiler;
-    })
-    .catch((e) => {
-      console.error('fetching solc', e);
-    });
-}