---
description: Remove from response all headers that start with a certain name.
title: Remove response headers
image: https://developers.cloudflare.com/og-docs.png
---

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# Remove response headers

Remove from response all headers that start with a certain name.

Last updated Aug 24, 2026|Copy as Markdown|[View as Markdown](https://docs-durable-objects-instance-replaced-errors.previews.developers.cloudflare.com/rules/snippets/examples/remove-response-headers/index.md)|[Agent setup](https://docs-durable-objects-instance-replaced-errors.previews.developers.cloudflare.com/agent-setup/)

```js
export default {
	async fetch(request) {
		// Define the prefix of the headers you want to remove
		const headerPrefix = "x-header-";

		// Receive response from the origin
		const response = await fetch(request);

		// Create a new Headers object to modify response headers
		const newHeaders = new Headers(response.headers);

		// Remove headers that start with the specified prefix
		for (const [key] of newHeaders.entries()) {
			if (key.startsWith(headerPrefix)) {
				newHeaders.delete(key);
			}
		}

		// Return the modified response with updated headers
		return new Response(response.body, {
			status: response.status,
			headers: newHeaders,
		});
	},
};
```

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```json
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```