removing a source of non-determinism
removing a source of non-determinism

Reviewed By: beicy

Differential Revision: D34409258

fbshipit-source-id: a156baed5b753298fa180aca822eb26c21100a2f

facebook/redex,facebook/redex,facebook/redex,facebook/redex,facebook/redex,facebook/redex,facebook/redex,facebook/redex,facebook/redex