diff --git a/local-cli/server/middleware/getDevToolsMiddleware.js b/local-cli/server/middleware/getDevToolsMiddleware.js
index 3f13fe3abe581c..c47c697ff98e06 100644
--- a/local-cli/server/middleware/getDevToolsMiddleware.js
+++ b/local-cli/server/middleware/getDevToolsMiddleware.js
@@ -5,12 +5,12 @@
  * This source code is licensed under the BSD-style license found in the
  * LICENSE file in the root directory of this source tree. An additional grant
  * of patent rights can be found in the PATENTS file in the same directory.
+ *
+ * @format
  */
 'use strict';
 
-const fs = require('fs');
 const launchChrome = require('../util/launchChrome');
-const path = require('path');
 
 const {exec} = require('child_process');
 
@@ -21,7 +21,8 @@ function launchChromeDevTools(port) {
 }
 
 function escapePath(pathname) {
-  return '"' + pathname + '"'; // " Can escape paths with spaces in OS X, Windows, and *nix
+  // " Can escape paths with spaces in OS X, Windows, and *nix
+  return '"' + pathname + '"';
 }
 
 function launchDevTools({port, projectRoots}, isChromeConnected) {
@@ -31,7 +32,7 @@ function launchDevTools({port, projectRoots}, isChromeConnected) {
     var projects = projectRoots.map(escapePath).join(' ');
     var command = customDebugger + ' ' + projects;
     console.log('Starting custom debugger by executing: ' + command);
-    exec(command, function (error, stdout, stderr) {
+    exec(command, function(error, stdout, stderr) {
       if (error !== null) {
         console.log('Error while starting custom debugger: ' + error);
       }
@@ -44,29 +45,22 @@ function launchDevTools({port, projectRoots}, isChromeConnected) {
 
 module.exports = function(options, isChromeConnected) {
   return function(req, res, next) {
-    if (req.url === '/debugger-ui') {
-      var debuggerPath = path.join(__dirname, '..', 'util', 'debugger.html');
-      res.writeHead(200, {'Content-Type': 'text/html'});
-      fs.createReadStream(debuggerPath).pipe(res);
-    } else if (req.url === '/debuggerWorker.js') {
-      var workerPath = path.join(__dirname, '..', 'util', 'debuggerWorker.js');
-      res.writeHead(200, {'Content-Type': 'application/javascript'});
-      fs.createReadStream(workerPath).pipe(res);
-    } else if (req.url === '/launch-safari-devtools') {
+    if (req.url === '/launch-safari-devtools') {
       // TODO: remove `console.log` and dev tools binary
       console.log(
         'We removed support for Safari dev-tools. ' +
-        'If you still need this, please let us know.'
+          'If you still need this, please let us know.',
       );
     } else if (req.url === '/launch-chrome-devtools') {
       // TODO: Remove this case in the future
       console.log(
         'The method /launch-chrome-devtools is deprecated. You are ' +
-        ' probably using an application created with an older CLI with the ' +
-        ' packager of a newer CLI. Please upgrade your application: ' +
-        'https://facebook.github.io/react-native/docs/upgrading.html');
-        launchDevTools(options, isChromeConnected);
-        res.end('OK');
+          ' probably using an application created with an older CLI with the ' +
+          ' packager of a newer CLI. Please upgrade your application: ' +
+          'https://facebook.github.io/react-native/docs/upgrading.html',
+      );
+      launchDevTools(options, isChromeConnected);
+      res.end('OK');
     } else if (req.url === '/launch-js-devtools') {
       launchDevTools(options, isChromeConnected);
       res.end('OK');
diff --git a/local-cli/server/runServer.js b/local-cli/server/runServer.js
index 9167b43e02b998..d9eae75b11ca2a 100644
--- a/local-cli/server/runServer.js
+++ b/local-cli/server/runServer.js
@@ -97,6 +97,10 @@ function runServer(
   const app = connect()
     .use(loadRawBodyMiddleware)
     .use(connect.compress())
+    .use(
+      '/debugger-ui',
+      connect.static(path.join(__dirname, 'util', 'debugger-ui')),
+    )
     .use(
       getDevToolsMiddleware(args, () => wsProxy && wsProxy.isChromeConnected()),
     )
diff --git a/local-cli/server/util/debuggerWorker.js b/local-cli/server/util/debugger-ui/debuggerWorker.js
similarity index 100%
rename from local-cli/server/util/debuggerWorker.js
rename to local-cli/server/util/debugger-ui/debuggerWorker.js
diff --git a/local-cli/server/util/debugger.html b/local-cli/server/util/debugger-ui/index.html
similarity index 100%
rename from local-cli/server/util/debugger.html
rename to local-cli/server/util/debugger-ui/index.html