I'm trying to remove XFCE from my fedora installation in favor of kde.  I tried #yum remove @xfce but I got this...Running transaction checkERROR with transaction check vs depsolve:desktop-backgrounds-compat is needed by (installed) lightdm-gtk-1.6.1-3.fc20.x86_64 You could try running: rpm -Va --nofiles --nodigestNot sure where to go from here.
Removing XFCE on fedora20
fedora;yum;xfce