Moss

I have a questions about moss. I know that it is good to have around the tree but I have moss growing at the base of my bonsai plants, on the Nebari. Should I take it off. I feel like it will bring pests and diseases that will hurt the trees. I have attached 3 pictures below. Any advice would be appreciated. Thanks.

There is so little that it is not worth worrying about, just leave it, or if you don't want to then remove it, the moss will not cause a problem when there is so little