The Quickest Way to Uninstall CCleaner on Mac Part 4. How to Manually Uninstall CCleaner on Mac? Part 3. If you've been fed up with CCleaner and need to get rid of it from the Mac, follow this simple tutorial to discover how to remove it entirely and securely, as this article will show you how to delete CCleaner and all of its remnants using various techniques.Ĭontents: Part 1. Several people have also noticed that CCleaner remains on their device even though they have deleted it. However, you may need to uninstall CCleaner on Mac for a variety of reasons, including resolving software crashes by removing and then reinstalling the software or just replacing it with something else. It may remove hazardous applications and malware from temporary internet files, as well as erroneous Windows Registry items, from a PC device. It's a useful tool that cleans up possibly undesirable items on a variety of platforms, including Mac OS X, Windows, Android, and others. CCleaner (previously Crap Cleaner) is a memory cleanup and computer system optimization utility created by Piriform.