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

https://www.cool-bookmarks.win/to-hide-pages-from-google-use-the-noindex-meta-tag-in-your-page-header-to

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. For urgent privacy needs, use the Search Console Removals tool to hide content quickly