# apt-get remove kdebase-workspace-bin

Reading package lists...
Building dependency tree...
Reading state information...
Package kdebase-workspace-bin is not installed, so not removed
You might want to run `apt-get -f install' to correct these:
The following packages have unmet dependencies:
  ksysguard: Depends: kdebase-workspace-bin but it is not going to be installed
E: Unmet dependencies. Try 'apt-get -f install' with no packages (or specify a solution).