If you need to hide pages from search results, use the right tool for the job....

https://www.bookmarkingtraffic.win/if-you-need-to-hide-pages-from-search-results-start-by-adding-a-noindex-tag

If you need to hide pages from search results, use the right tool for the job. Add a "noindex" tag to the page code for a clean, permanent removal. If you need it gone immediately, use the Google Search Console Removals tool to hide it temporarily