How to remove lxqt-config from Debian 9 (Stretch)

Uninstall lxqt-config

To remove just lxqt-config package itself from Debian 9 (Stretch) execute on terminal:

sudo apt-get remove lxqt-config

To remove the lxqt-config package and any other dependant package which are no longer needed from Debian Stretch.

sudo apt-get remove --auto-remove lxqt-config

If you also want to delete configuration and/or data files of lxqt-config from Debian Stretch then this will work:

sudo apt-get purge lxqt-config

To delete configuration and/or data files of lxqt-config and it's dependencies from Debian Stretch then execute:

sudo apt-get purge --auto-remove lxqt-config