diff --git a/packages/hippy-debug-server/server/index.js b/packages/hippy-debug-server/server/index.js
index b7a73f31d..585530d26 100644
--- a/packages/hippy-debug-server/server/index.js
+++ b/packages/hippy-debug-server/server/index.js
@@ -53,18 +53,6 @@ async function startDevServer(args) {
     if (verbose) {
       logger.info('Received url request', ctx.url);
     }
-    // Response entry js file for debugging
-    if (ctx.path === '/index.bundle') {
-      if (verbose) {
-        logger.info('Reading entry', entry);
-      }
-      const jsContent = fs.readFileSync(entry);
-      ctx.res.writeHead(200, {
-        'Content-Type': 'application/javascript',
-      });
-      ctx.res.write(jsContent);
-      return ctx.res.end();
-    }
 
     // Response the content of version request
     if (ctx.path === '/json/version') {
diff --git a/packages/hippy-debug-server/utils/mimes.js b/packages/hippy-debug-server/utils/mimes.js
index eef972c5b..f3458f1c4 100644
--- a/packages/hippy-debug-server/utils/mimes.js
+++ b/packages/hippy-debug-server/utils/mimes.js
@@ -21,6 +21,7 @@ const mimeTypes = {
   wma: 'audio/x-ms-wma',
   wmv: 'video/x-ms-wmv',
   xml: 'text/xml',
+  bundle: 'application/javascript',
 };
 
 function parseMimeType(pathName) {