The White Sox optioned Davitt to Triple-A Charlotte after Sunday's 9-1 win over the Rays.
Davitt was called up ahead of Sunday's contest and tossed an inning of relief, allowing one run on two hits while striking out one. The right-hander is expected to be replaced on the 26-man active roster by the newly acquired Luis Castillo, who is expected to make his White Sox debut during the team's upcoming series versus the Red Sox.