I see some files in a directory owned by 
filesystem-2.0.7-1
kdebase-2.0.20010122-1
kdeadmin-2.0.20010122-1
and don't belong to any package and should be cleandup by respective rpm
packages when deinstalling packages.
--- List of files
/etc/X11/applnk/Games
/etc/X11/applnk/Games/xpuzzles
/etc/X11/applnk/Utilities
/etc/X11/applnk/Internet
/etc/X11/applnk/Applications
/etc/X11/applnk/Multimedia
/etc/X11/applnk/Graphics
/etc/X11/applnk/Editors
/etc/X11/X
/etc/X11/XF86Config
/etc/X11/gdm
/etc/X11/gdm/Sessions
/etc/X11/gdm/Init
/etc/X11/gdm/PostSession
/etc/X11/gdm/PreSession
/etc/X11/XF86Config-4.old
/etc/X11/app-defaults
/etc/X11/app-defaults/Beforelight
/etc/X11/app-defaults/Bitmap
/etc/X11/app-defaults/Bitmap-color
/etc/X11/app-defaults/Chooser
/etc/X11/app-defaults/Clock-color
/etc/X11/app-defaults/Editres
/etc/X11/app-defaults/Editres-color
/etc/X11/app-defaults/Viewres
/etc/X11/app-defaults/XCalc
/etc/X11/app-defaults/XCalc-color
/etc/X11/app-defaults/XClipboard
/etc/X11/app-defaults/XClock
/etc/X11/app-defaults/XConsole
/etc/X11/app-defaults/XF86Cfg
/etc/X11/app-defaults/XFontSel
/etc/X11/app-defaults/XLoad
/etc/X11/app-defaults/XLogo
/etc/X11/app-defaults/XLogo-color
/etc/X11/app-defaults/XSm
/etc/X11/app-defaults/XTerm
/etc/X11/app-defaults/XTerm-color
/etc/X11/app-defaults/Xditview
/etc/X11/app-defaults/Xditview-chrtr
/etc/X11/app-defaults/Xedit
/etc/X11/app-defaults/Xedit-color
/etc/X11/app-defaults/Xfd
/etc/X11/app-defaults/Xgc
/etc/X11/app-defaults/Xmag
/etc/X11/app-defaults/Xman
/etc/X11/app-defaults/Xmessage
/etc/X11/app-defaults/Xvidtune
/etc/X11/XF86Config-4