To clear outdated results from Google, first check if you control the site. If...

https://sierra-wiki.win/index.php/How_to_Fix_the_Ghosting_Problem:_Removing_Old_AMP_Pages_from_Google

To clear outdated results from Google, first check if you control the site. If you own it, delete the page and ensure it returns a true 404 error, then use Google’s "Refresh Outdated Content" tool