# The poweredByHeader has been removed #### Why This Error Occurred Starting at Next.js version 5.0.0 the `poweredByHeader` option has been removed. #### Possible Ways to Fix It If you still want to remove `x-powered-by` you can use one of the custom-server examples. And then manually remove the header using `res.removeHeader('x-powered-by')` ### Useful Links - [Custom Server documentation + examples](https://github.com/zeit/next.js#custom-server-and-routing)