Caponize him! That's a good solution for most men too! 
As long as you are providing good nutritious food, clean water and a warm, dry clean place to sleep and lay eggs, you're done! If he isn't hurting them, I would just let the flock work out their own social issues. They know what they are doing.

As long as you are providing good nutritious food, clean water and a warm, dry clean place to sleep and lay eggs, you're done! If he isn't hurting them, I would just let the flock work out their own social issues. They know what they are doing.