diff --git a/js/package.json b/js/package.json
index 1e0ea8b68..2b5563f8c 100644
--- a/js/package.json
+++ b/js/package.json
@@ -36,7 +36,7 @@
     "ci:build:npm": "NODE_ENV=production webpack --config webpack/npm",
     "start": "npm install && npm run build:lib && npm run build:dll && npm run start:app",
     "start:app": "node webpack/dev.server",
-    "clean": "rm -rf ./build ./coverage",
+    "clean": "rm -rf ./.build ./.coverage ./.happypack ./.npmjs ./build",
     "coveralls": "npm run testCoverage && coveralls < coverage/lcov.info",
     "lint": "eslint --ignore-path .gitignore ./src/",
     "lint:cached": "eslint --cache --ignore-path .gitignore ./src/",
diff --git a/js/webpack/dev.server.js b/js/webpack/dev.server.js
index 9e8bd1524..5ce285262 100644
--- a/js/webpack/dev.server.js
+++ b/js/webpack/dev.server.js
@@ -60,7 +60,7 @@ app.use(webpackHotMiddleware(compiler, {
 
 app.use(webpackDevMiddleware(compiler, {
   noInfo: false,
-  quiet: true,
+  quiet: false,
   progress: true,
   publicPath: webpackConfig.output.publicPath,
   stats: {