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Removing content from Google can take many forms. The content may be on your site or somewhere else. You can remove content from your website fairly quickly and easily. You can remove it from Google or the entire web. You can ask Google to remove content from its properties, such as YouTube, Blogger, and others if it violates our policies. You can ask Google to remove content that violates its policies if it lives on someone else’s website. But it will be removed only from Google Search results.
If you have content control, it’s just a matter of using the right tools and you have to decide, whether you need to remove it permanently or temporarily.
If you need to remove something urgently, you should probably start by submitting a request on Search Console for a temporary removal, then you can work on a permanent solution.
If you do not have content control, it might be more challenging to remove it.
For content hosted on a Google service such as YouTube, Blogger, or Ads, google provide a troubleshooter to help you remove the content. For other websites, the best option is to contact the website owner. But you might still be able to remove the content from Google Search in some special cases.
If you want to remove content that you control from Google Search, i recommend one of three things:
Return a 404 or 410 HTTP response whenever the content is requested; protect your content with a password, so that it cannot be accessed by Googlebot or others on the web; or use a noindex metatag to indicate that the page should not be indexed. Simply redirecting an old page with a 301 response or using a robots.txt directive might not be enough to remove the old content from Google Search results. This is what you should do to remove the content from Search permanently, so be careful.
If your intention is just to hide the page until you fix it, you should use Search Console to do so. A temporary removal request is a way to quickly remove content on your site from Google Search results. A successful request lasts only about six months, which should be enough for you to find a solution to either allow the content to be seen or to remove it permanently. In other words, such a request will only hide the pages from Search results, but they’ll still be crawled and indexed and will reappear when the request expires.
Removing a page won’t affect if a page has a manual actions, if your website has been hacked, if you want to tell Google which version of a page you want us to index, if you’re moving your site to another domain, or if you want to remove pages that are not helpful or updated.
To remove content from the web, which you don’t control and is not hosted on a Google service, your best option is to contact the owner of the website to request for the content to be removed. Try sending a message via the contact link that is usually available in websites.
Here are some examples of information Google might take off Search results:
Copyright and other legal removals; child sexual abuse content; nonconsensual, explicit, or intimate personal images; involuntary fake pornography; financial, medical, and national ID information; and more.
https://support.google.com/legal/troubleshooter/1114905
