The EU, supported by the US, Qatar, and others, is moving to lift sanctions on Syria to aid its reconstruction and reintegration after years of conflict.
A small team will remain in Qatar to signal to the Americans that Israel is still willing to make efforts to reach a deal.
Economy Minister Nir Barkat called Qatar a terror-supporting state backing Hamas and urged its removal as a mediator.
Scott also emphasized that he finds Qatari influence on US campuses to be despicable. Qatar "can't continue to support Hamas."
The generous offer of advanced American arms, which Trump made to Saudi Crown Prince Mohammed bin Salman, was undoubtedly an unpleasant shock to Netanyahu.
The PMO contradicted a former senior member of the negotiating team who said an agreement could have already been reached.
Vance's visit comes after Trump's trip to the Gulf states, a tour that did not include a stop in Israel.