flux icon
F.lux is quite popular among computer users who spend a lot of time working on the computer, especially in the dark. However, f.lux takes up a lot of RAM space, so if your Mac works slowly, you should uninstall some apps working in the background, including f.lux. In this article, we will give a full guide of 2 ways to remove the f.lux application completely.


  1. Uninstall f.lux manually.
  2. Uninstall f.lux using App Cleaner & Uninstaller.

Uninstall f.lux on Mac manually

When you remove applications by just moving them to Trash, their support files remain on your MacBook or iMac. It’s very important to clean up traces of deleted applications so as to prevent cluttering of disk space. Please follow the guide to uninstall f.lux accurately and completely on your macOS system.

  1. Quit f.lux. For this, click on its icon in the toolbar → select Quit f.lux.
  2. f.lux uninstall

  3. Then go to the Applications folder in the Finder → find the f.lux executable file there and remove it.
  4. remove f.lux

  5. Now, you should find support files of f.lux stored in the Library folder. While the Finder window is still open, click Go in the Menu Bar → select Go to Folder.
  6. remove f.lux service files

  7. Type ~/Library in the search field and click Go.
  8. uninstall f.lux app

  9. Here you can preview all the support files of the apps installed on your Mac. Take a look at the following subfolders’ content to find the f.lux files, and remove all its service items found:

    • ~Library/Application Support/…
    • ~Library /Caches/…
    • ~Library /Preferences/…
    • ~Library/Preferences/…
    • ~Library/Logs/…

f.lux uninstalling
These five steps should always be taken when you want to uninstall any program on your Mac. However, there is one more way of removing f.lux. It needs just three easy steps. Learn how to uninstall f.lux with App Cleaner & Uninstaller.

Uninstall f.lux  utility with App Cleaner & Uninstaller

  1. Download App Cleaner & Uninstaller.
  2. The application will scan all your installed programs. When the scan is complete, find f.lux and select all its files.
  3. how to uninstall flux

  4. Click the Remove button and confirm its uninstalling.

Note, App Cleaner & Uninstaller also shows the leftovers of already deleted applications in the Remaining Files tab. If you have already moved f.lux to Trash but haven’t cleaned up its caches, go to the Remaining Files tab and remove the traces of f.lux.

uninstall flux

Articles you may be interested in: