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Uninstalling

To properly uninstall felix86, you need to remove the felix86 binary, the rootfs, and potential binfmt_misc installations.

Uninstalling from binfmt_misc

The felix86 -u command should uninstall from binfmt_misc: 

sudo felix86 -u

Or, if you prefer doing it manually: 

sudo rm /etc/binfmt.d/felix86-*
sudo rm /usr/lib/binfmt.d/felix86-*
sudo rm /usr/local/lib/binfmt.d/felix86-*
sudo rm /run/binfmt.d/felix86-*

Restart systemd-binfmt to finalize in the current session: 

sudo systemctl daemon-reload
sudo systemctl restart systemd-binfmt

Deleting the rootfs

If you don’t remember the rootfs path, it can be obtained with felix86 -g: 

sudo rm -rf /path/to/rootfs

Deleting configuration files

The felix86 configuration files are stored in $HOME/.config/felix86 

rm -rf ~/.config/felix86

Deleting /opt/felix86

The felix86 binary itself and thunks exist in /opt/felix86: 

sudo rm -rf /opt/felix86


sudo rm /usr/bin/felix86

In older versions of felix86 (25.11 and prior) you also need to remove felix86-mounter: 

sudo rm /usr/bin/felix86-mounter