To improve water-removal ability.

This device for removing water in a water jet loom comprises a water-eliminating pipe equipped with a rolling area around which a woven fabric is rolled. The water-removing pipe provides either one of one or more suction ports contacting with the woven fabric, one or more recessed parts recessed from the outer peripheral surface of the water-eliminating pipe and one ore more protruded parts protruded from the outer peripheral surface in a state extending to weaving width direction in the rolling area.