---
description: Next.js will add the `x-powered-by` header by default. Learn to opt-out of it here.
# Disabling x-powered-by
By default Next.js will add the `x-powered-by` header. To opt-out of it, open `next.config.js` and disable the `poweredByHeader` config:
```js
module.exports = {
poweredByHeader: false,
}
```
## Related
<div class="card">
<a href="/docs/api-reference/next.config.js/introduction.md">
<b>Introduction to next.config.js:</b>
<small>Learn more about the configuration file used by Next.js.</small>
</a>
</div>
