A harvesting machine including a harvesting unit and a system for recovering crop detached by the harvesting unit. The recovering system including at least one conveyor adapted to recover the crop detached by the harvesting unit and to convey the crop along a conveying path. The recovering system comprising a removing device for removing debris elements that might be conveyed with the detached crop. The removing device including two rotary organs which form therebetween a mouth that is adjacent to the conveying path to be able to catch debris elements protruding from the conveyor. The mouth converging into an inner gripping zone formed by a narrow gap between the rotary organs. The removing device further including a drive unit for the rotation of at least one of the two rotary organs to extract from the conveyor any debris element caught by the mouth and then gripped between the rotary organs.
