clean up SAO clears.
clean up SAO clears.

Jozain/three.js,Jozain/three.js,bhouston/three.js,bhouston/three.js,bhouston/three.js,Jozain/three.js,Jozain/three.js,Jozain/three.js,bhouston/three.js,Jozain/three.js,bhouston/three.js,bhouston/three.js