Clearing old search results is all about access. If you own the site, delete or...

https://www.romeo-bookmarks.win/to-scrub-outdated-search-results-first-check-who-owns-the-site-if-you-control

Clearing old search results is all about access. If you own the site, delete or update the page and request a recrawl in Google Search Console. If you don’t control it, use the "Refresh Outdated Content" tool to force an update