You need to include every dependent package on that command ("rpm -e package_1 package_2 ... package_n"). I also think you can use the "--force" option, but this isn't usually a good idea.
Why don't you use the Add/Remove Applications tool instead? It takes care of all the dependencies for you.
"I'd crawl over an acre of 'Visual This++' and 'Integrated Development That' to get to gcc, Emacs, and gdb. Thank you."
-- Vance Petree, Virginia Power