Asya Karapetyan
Content marketer, who specializes in Mac how-to guides
October 3, 2022
minutes to read

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.
    Quit  Flux context menu command
  2. Then go to the Applications folder in the Finder → find the f.lux executable file there and remove it.
    Move to Trash
  3. 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.
    Go to Folder menu command
  4. Type ~/Library in the search field and click Go.
    Go to the Library folder window

  5. 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/…

Flux Caches folder
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. Click the Remove button and confirm its uninstalling.

Flux application selected for complete remoaval
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.

Flux remaining files selected for removal

App Cleaner & Uninstaller icon

App Cleaner & Uninstaller

Uninstall any Mac application in 2 minutes

Supported systems: macOS 10.13-13
Update v. 8.1.3 Jan 2023

Articles you may be interested in:

Scroll to Top