A flush actuator assembly for a plumbing fixture includes a housing, a handle and a lever. The housing is configured to be removably coupled to the plumbing fixture. The handle is pivotally and removably coupled to the housing. The handle includes a stem configured to extend through the plumbing fixture and into the housing. The arm is removably coupled to the stem within the housing. The arm is configured to pivot with the handle. The lever is at least partially disposed in the housing, and is configured to be selectively disengaged from the stem to removably couple the handle to the housing.