diff --git a/packages/webapp/webapp_server.js b/packages/webapp/webapp_server.js
index 3097ad2e58..5f309a59ef 100644
--- a/packages/webapp/webapp_server.js
+++ b/packages/webapp/webapp_server.js
@@ -1179,9 +1179,7 @@ function runWebAppServer() {
    */
   // Packages and apps can add handlers to this via WebApp.expressHandlers.
   // They are inserted before our default handler.
-  var packageAndAppHandlers = express();
-  packageAndAppHandlers.set('x-powered-by', false);
-  packageAndAppHandlers.set('etag', false);
+  var packageAndAppHandlers = createExpressApp()
   app.use(packageAndAppHandlers);
 
   var suppressConnectErrors = false;