Old content often resurfaces through search engine caching, confusing your...

https://stateofseo.com/should-i-301-redirect-old-urls-or-leave-a-404-the-reality-of-content-decay/

Old content often resurfaces through search engine caching, confusing your users and hurting your site's authority. Instead of letting legacy pages linger, perform a thorough content audit to identify what needs to stay and what should be retired