When create PhysicBodies using Object Editor, create some 2-3 geometric mesh then remove some and create any physics, it will try to create physic for removed mesh as well, this can be easily seen using static mesh physic.

Hi,

You need to either use right click on mesh parts in the list of "Mesh" editor and select "erase".

Or

Use "Togge Parts" in the "Physics" editor

I thought it's a bug, but I'll just do it that way.