If you need to hide pages from search results, start by adding a "noindex" tag...

https://www.adirs-bookmarks.win/to-remove-pages-from-google-add-a-noindex-meta-tag-to-the-html-head-of-the

If you need to hide pages from search results, start by adding a "noindex" tag to the page header. This tells Google to drop the URL from its index naturally