I also use a dummy preset.. called “EMPTY”.
It is pretty easy to do, and is functionally identical to having an empty slot
When you do this, camn, you still have to scroll past the “Empty” presets when using the pedal, yes? It’s so much better when the slots are truly empty, so that they don’t have to be scrolled past, the pedal simply skips over them. You don’t have a way to do this, do you?