CentOS - Jun 2009 - kickstart not install evolution

I wish to NOT install evolution during my kickstart process...
In the %packages section I put a line

-evolution

but it still installed evolution.
How can I keep evolution from being installed in the kickstart process?

jerry

------------------ snippit of kickstart -----------
%packages
@base-x
@dialup
@gnome-desktop
@base
@development-libs
@core
@x-software-development
@development-tools
@web-server
@graphical-internet
@sound-and-video
@legacy-software-development
@editors
@smb-server
@ftp-server
sendmail
sendmail-cf
mesa-libGLU-devel
device-mapper-multipath
-evolution
mod_ssl

openssl
ImageMagick

> I wish to NOT install evolution during my kickstart process...
> In the %packages section I put a line
>
> -evolution
>
> but it still installed evolution.
> How can I keep evolution from being installed in the kickstart process?
>
>   
find out what package is requiring it and remove that also -