Abstract: The invention relates to a planing device mounted on machines for processing ice. The inventive device is used in the area of the ice surface located close to the barrier and comprises a blade which is mounted with the carrier thereof on the lateral wall of the planing side that is provided on the machine. The planing device rests with an edge on the ice surface. The invention is characterized in that the blade can be moved from a lifted non-operating position into the working position by means of a driving mechanism.