Device for separating the wishbone from the coracoids of a carcass part of slaughtered poultry, which carcass part comprises: - a neck opening, - bone parts, that comprise: - at least a part of the wishbone, - at least a part of the coracoids, - at least one wishbone joint, connecting a free end of the wishbone and a free end of the coracoids, - at least a part of the rib cage, which device comprises: - a wishbone joint cutters actuator assembly, - two wishbone joint cutters (111, 311), which wishbone joint cutters (111, 311) are arranged on a support that has an outer contour, and which wishbone joint cutters (111, 311) are moveable from an inactive position to an active position and vice versa by the wishbone joint cutters actuator assembly, - a support actuator device, characterized in that, the support on which the wishbone joint cutters (111, 311) are arranged is moveable along a path by the support actuator assembly between a first position wherein the wishbone joint cutters (111, 311) are arranged outside the carcass part, and a second position, in which the wishbone joint cutters (111, 311) are arranged inside the carcass part, the path being such that the wishbone joint cutters (111, 311) are introduced into and removed from the carcass part via the neck opening, wherein during the movement of the support from the first position to the second position, at least for a part of the path between the neck opening and the second position, the wishbone joint cutters (111, 311) are in an inactive position, and wherein during the movement of the support from the second position to the first position, at least for a part of the path between the second position and the neck opening, the wishbone joint cutters (111, 311) are in an active position, in which active position the wishbone joint cutters (111, 311) project from the outer contour of the support and extend between the coracoids and the wishbone or between the bone parts of the wishbone joints. which carcass part comprises: - a neck opening, - bone parts, that comprise: - at least a part of the wishbone, - at least a part of the coracoids, - at least one wishbone joint, connecting a free end of the wishbone and a free end of the coracoids, - at least a part of the rib cage, - a neck opening, - bone parts, that comprise: - at least a part of the wishbone, - at least a part of the coracoids, - at least one wishbone joint, connecting a free end of the wishbone and a free end of the coracoids, - at least a part of the rib cage, - at least a part of the wishbone, - at least a part of the coracoids, - at least one wishbone joint, connecting a free end of the wishbone and a free end of the coracoids, - at least a part of the rib cage, which device comprises: - a wishbone joint cutters actuator assembly, - two wishbone joint cutters (111, 311), which wishbone joint cutters (111, 311) are arranged on a support that has an outer contour, and which wishbone joint cutters (111, 311) are moveable from an inactive position to an active position and vice versa by the wishbone joint cutters actuator assembly, - a support actuator device, - a wishbone joint cutters actuator assembly, - two wishbone joint cutters (111, 311), which wishbone joint cutters (111, 311) are arranged on a support that has an outer contour, and which wishbone joint cutters (111, 311) are moveable from an inactive position to an active position and vice versa by the wishbone joint cutters actuator assembly, - a support actuator device, characterized in that, the support on which the wishbone joint cutters (111, 311) are arranged is moveable along a path by the support actuator assembly between a first position wherein the wishbone joint cutters (111, 311) are arranged outside the carcass part, and a second position, in which the wishbone joint cutters (111, 311) are arranged inside the carcass part, the path being such that the wishbone joint cutters (111, 311) are introduced into and removed from the carcass part via the neck opening, wherein during the movement of the support from the first position to the second position, at least for a part of the path between the neck opening and the second position, the wishbone joint cutters (111, 311) are in an inactive position, and wherein during the movement of the support from the second position to the first position, at least for a part of the path between the second position and the neck opening, the wishbone joint cutters (111, 311) are in an active position, in which active position the wishbone joint cutters (111, 311) project from the outer contour of the support and extend between the coracoids and the wishbone or between the bone parts of the wishbone joints.