Disable/remove it from autostart. Open System Settings, go to: Workspace > Startup and Shutdown > Autostart, or just type "Autostart" from search menu bar. Click on Latte, Then remove it by click button "-" (Remove)
[Screenshot] Remove Latte Dock from Autostart
Best Answer
According to the FAQ page of the project on GitHub, there are two ways to do this.
You can either edit
~/.config/kwinrc
and addor run the following commands in terminal
then, in either case, reload KWin: