Thank you. I figured it out, I guess. Simple really. If I select a component in the list, which seems like the normal thing to do,and right-click the "delete" function is grayed out. But for all the non-selected items on the list it is there to use.
This is not very clear at first for, if I don't click on it, the component is not identified, except by where I hover the mouse (even the warning doesn't name the component).
I guess I just hate the component window, and will not worry about what's in it or not, and go on avoiding it.