Clearing outdated search results comes down to one question: do you control the...

https://dibz.me/blog/whats-the-safest-way-to-remove-a-page-without-causing-a-bigger-seo-mess-1073

Clearing outdated search results comes down to one question: do you control the site? If you own it, update the page and use Google’s "Refresh Outdated Content" tool to force an index update