Getting rid of outdated Google results depends on one thing: whether you...

https://reportz.io/technology/how-do-i-keep-dead-urls-from-creating-a-bad-user-experience-in-search/

Getting rid of outdated Google results depends on one thing: whether you control the website. If it’s your site, fix the content or 404 the page and let Google re-crawl it. Use the "Refresh Outdated Content" tool to speed things up