Android: how to make it no space between 2 button in a horizontal linearlayout

Question

I just found I cannot remove the space between 2 buttons even if I set the layout_marginRight and layout_marginLeft as below. But it make sense if

Answer 1

Please look at Bryan's answer. With my answer both buttons overlap. Bryans answer shows the real size of the buttons.

Old answer:

Just set the android:layout_marginRight of the first button to "-8dip" or even more. Than the space between the two buttons will get smaller.