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.
Snippet Library
Redirects snippets for WordPress
Snippets that send visitors where they should go: redirect after login or logout, from attachment pages, old URLs and empty searches, or to a maintenance page. Quick fixes when you only need a few redirects, not a redirection plugin.