B20 valve cover question

putting a B20 valve cover on my LS and my question is... what do i do with the "breather" hose goin from the center of the valve cover to the intake mani?? my LS doesn't have that. should i just find a plug for it?? any suggestions??
the one in the middle goin to the IM...

the one in the middle goin to the IM...
