I have extras unchecked but when I click on a smart object and go into free transform mode the controls are back. I have to hit Ctrl-H TWICE to get them to go away, do my transformation, and then exit transform. Every time I do a transform they come back. I've turned off everything. Show is set to none. The extras options have everything unchecked. The program is just not following these settings whatsoever. Of course I have the selection tool set to not show transform controls as well. But the damn extras keep coming back, like a persistent rash.