An apparatus to separate a tendon connecting a breast fillet of a gutted poultry body, from which wings have been removed, to a carcass of the poultry body, has a transport apparatus having a transport unit which is driven in a revolving manner, and a holding apparatus fastened thereto to hold the poultry body or part thereof during processing, and a means for separating the tendon. The means for separating is movable from a standby position into a separating position and back. The transport unit, with the holding apparatus, with the formation of a transport path, transports the poultry body or the part thereof in a direction of transport, with the anus side leading, in the direction towards the means for separating. The means for separating the tendon includes at least one combination tool which has a portion that displaces the breast fillet and a portion that separates the tendon.