[CentOS] a kickstart question

Not having much luck googling....

I'm working on our ks.cgi, and in the case that we're using gpt, I know
that kickstart can't, natively, use gpt yet. However, it is my impression
that
clearpart --initlabel --none --drives=$DISK
would wipe the GPT label. (Plus, googling, I find that initlabel is
deprecated).

Am I wrong about initlabel? And is there any point in using clearpart, if
we've got got to use parted to put a gpt label on the drive, and partition
it? Should I just make that line go away?

       mark