Guayadeque Music Player

how do you remove a path from collections? Am I missing something or is it a bug but when going into Preferences/Collections/MyMusic I see the paths are added currently and I'm able to add more with (+) button but I cannot remove them with (-) button how come? The button (-) just remains dimmed all the time, doesn't matter if I click once or twice it's just not active.

You have selected the path you wanted to delete ?

I've managed it just by highlighting the path, clicking the - button then clicking accept.