Good thought, Arlee. Make sure you've got a male and female. The males have a blue or purplish cere above their beaks, the female's is white or brown.
Go ahead and separate them, they can kill each other, and quickly!
Country is correct, they do not use nesting materials. Sometimes the hen's bum will molt during the nesting period, and she will use the feathers. So don't worry if her bum is naked *ha*
I've never heard of a male not wanting the female in the nest, especially during mating season. Usually...