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

https://smoothdecorator.com/i-noindexed-the-page-but-google-keeps-crawling-it-is-that-normal/

If you need to hide pages from search results, use the right tool for the job. Add a noindex tag to the page header to tell Google to drop it from their index. For urgent removals, use the Google Search Console Removals tool to hide content temporarily