If you need to scrub outdated search results, the first step is determining if...
https://dibz.me/blog/whats-the-safest-way-to-remove-a-page-without-causing-a-bigger-seo-mess-1073
If you need to scrub outdated search results, the first step is determining if you own the site. If you control it, delete the page and ensure it returns a proper 404 status. Then, use Google’s "Refresh Outdated Content" tool to signal the crawl