Become a MacRumors Supporter for $50/year with no ads, ability to filter front page stories, and private forums.
I'm confused are you trying to restore it all to one partition? AKA are you trying to remove BootCamp?

Cause you can't remove OS X and just keep BootCamp.

If you want to do the former, you can rerun BootCamp assistant.
 
i like superduper particularly.

just in case you want to backup windows, WinClone works for that.
 
Register on MacRumors! This sidebar will go away, and you'll see fewer ads.