You can remove CleanMyMac 3 is by simply dragging it to the Trash. However, by doing this, as with removing any other app, it will leave application leftovers on your Mac.
It is recommended to use the Uninstaller module of CleanMyMac 3 for complete removal. And here's how you do that:
We will be pleased if you drop us a note why you've decided not to use the application further and uninstall it from your Mac.
Read more: How to Uninstall Apps on a Mac?
Clean, optimize, and maintain your Mac with the all-new CleanMyMac 3. It scans every inch of your system, removes gigabytes of junk in just two clicks, and monitors the health of your Mac.