Clearing old Google results boils down to whether you own the site. If you...

https://kilo-wiki.win/index.php/Trailing_Slash_vs._No_Trailing_Slash:_Can_That_Keep_an_Old_URL_Indexed%3F

Clearing old Google results boils down to whether you own the site. If you control it, delete the page and ensure it returns a true 404 error—avoid “soft” 404s, where a page looks empty but sends a successful signal to Google