Premier Colin Barnett's chief-of-staff Deidre Willmott is moving to a new role with the state government due to a potential conflict of interest while the government's director of communications has been asked to 'sit' on his resignation.

Premier Colin Barnett's chief-of-staff Deidre Willmott is moving to a new role with the state government due to a potential conflict of interest while the government's director of communications has been asked to 'sit' on his resignation.