Cleaning up old search results depends entirely on who owns the site. If you...

https://www.apu-bookmarks.win/clearing-outdated-google-results-comes-down-to-one-question-do-you-own-the-1

Cleaning up old search results depends entirely on who owns the site. If you control the page, update it to a 410 error or redirect it, then use the Search Console "Removals" tool to speed up the process