House lawmakers are doubting that a vote on an Obamacare repeal bill will happen Thursday night, as the White House tries to hammer out a last-minute deal to get conservatives on board.

House leadership is still aiming to vote on the American Health Care Act on Thursday, which is the seventh anniversary of the signing of Obamacare. But as GOP leaders and the White House work to reach a deal, members are doubtful they will vote Thursday.