# Redirect Old AMP Addresses After Removing AMP

> After you stop using an AMP plugin, permanently redirects the old /amp/ and ?amp=1 addresses to the normal pages, so search engines and shared links do not hit errors.

- Type: PHP
- Runs: Run everywhere
- Category: [Redirects](https://wpide.com/library/category/redirects/)
- Tags: redirects, amp, seo
- Author: WPIDE Team
- Installs: 0
- Updated: 2026-10-28
- Page: https://wpide.com/library/redirect-old-amp-urls/

## Code

```php
add_action( 'template_redirect', function () {
    // Leave everything alone while an AMP plugin is active.
    if ( function_exists( 'amp_is_request' ) || function_exists( 'is_amp_endpoint' ) || defined( 'AMPFORWP_VERSION' ) ) {
        return;
    }

    $uri  = isset( $_SERVER['REQUEST_URI'] ) ? wp_unslash( $_SERVER['REQUEST_URI'] ) : '';
    $path = (string) wp_parse_url( $uri, PHP_URL_PATH );
    $home = wp_parse_url( home_url() );
    $base = $home['scheme'] . '://' . $home['host'] . ( isset( $home['port'] ) ? ':' . $home['port'] : '' );

    // ?amp=1 or ?amp on any page: drop the parameter.
    if ( isset( $_GET['amp'] ) ) {
        wp_safe_redirect( remove_query_arg( 'amp', $base . $uri ), 301 );
        exit;
    }

    // /my-post/amp/ that no longer exists: go to /my-post/.
    if ( is_404() && preg_match( '#^(.*)/amp/?$#i', $path, $m ) && '' !== $m[1] ) {
        $query = (string) wp_parse_url( $uri, PHP_URL_QUERY );

        wp_safe_redirect( $base . user_trailingslashit( $m[1] ) . ( '' !== $query ? '?' . $query : '' ), 301 );
        exit;
    }
}, 1 );
```

## Notes

Does nothing while an AMP plugin is active.

## How to use it

Install the free WPIDE plugin (https://wordpress.org/plugins/wpide/), find "Redirect Old AMP Addresses After Removing AMP" in its snippet library and add it in one click; or create a new PHP snippet in WPIDE (or any code snippets plugin) and paste the code above. More snippets: https://wpide.com/library/