Yes. You have to keep them separated for their own safety.They should not be let to roam together, even if under supervision. It only takes a literal second for them to go tumbling and tossing without discriminating between you or themselves. Do your best to keep them in separate rooms with an additional layer of door in between these two. As i said, i learned it the hard way. If you're interested, here's what happened.
Little bit of a blood warning though.
Last year's August i rushed with bonding my boys when Lümi was neutered only for a month and Storm for two, since we "had" to move fast.
I thought it would be fine since Lümi was the kissiest cuddliest buckling (then around 7m/o). I forgot to think about Storm (then around 6m/o) being the big bossy buck that he is.
And look what it got the white boy into, only because i couldn't stop him from slipping through the door fast enough. He got a visible amount of ear bitten off.
Lümi regained his usual self but failed to permanently bond with the other ever again, mostly due to Storm rejecting him, (second attempt a month later failed with a fight), nine months later he went unexpectedly.
Despite seemingly hating one another, Storm still got mighty depressed when his housemate left.
We found him a teen girl, got her spayed and waited two months.
(note that randomly choosing an intact one to buddy up with a fixed one is not really a good idea, as it might often fail and the rabbit would have no safe return, like my bohs had it, but my country has no shelters to pre-screen fixed partners from)
Might've been a rare case but Iris gave kisses on their first date. They've been together for three months now with a super solid bond. Look at the goofery Storm had committed! Iris was totally fine with it.
So definetly, if applicable at all, cease your itch for doing stuff fast.
The time won't run from you. In some cases, slow and steady just results in a higher chance of being permanent and stable.
Stay safe and keep us updated on how your buckling is healing.