Clearing outdated search results comes down to one question: do you control the...

https://record-wiki.win/index.php/When_Should_I_Request_Reindexing_in_Search_Console_After_Removing_Text%3F

Clearing outdated search results comes down to one question: do you control the site? If you own it, update the page and use the "Refresh Outdated Content" tool in Google Search Console to nudge them to re-crawl