Cleaning up old Google search results comes down to one question: do you...

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

Cleaning up old Google search results comes down to one question: do you control the site? If you own it, delete the page and ensure it returns a proper 404 status. Then, use the "Refresh Outdated Content" tool to clear the cache