Cleaning up outdated Google search results depends entirely on whether you...

https://www.acid-bookmarks.win/cleaning-up-old-search-results-depends-entirely-on-who-controls-the-site-if

Cleaning up outdated Google search results depends entirely on whether you control the website. If you own the site, delete the page and ensure it returns a 404 or 410 error; then, use Google’s "Refresh Outdated Content" tool to signal the change