Pseudobulb with no leaf

Just curious, what should I do... I have a nice and healty Bulbophyllum growing in my terrarium. Everything is nice and dandy, except one leaf dropped long time ago and all that's left is a nice and healty pseudobulb. Should I just leave it alone or cut it off and put a bit of sulphur on it?

Here's a pic, but it's a poor one. The leafless pseudobulb is at the top, sticking straight up, hidden behind the leaf. There is a 2nd one at 7 o'clock too. Suggestions would be appreciated!



EDIT: oops...I posted this from Admin account, sorry, this is Marty