A conveyor system of a sugarcane harvesting machine includes an inclined conveyor having a first shaft at a lower end and a second shaft at an upper end thereof. The belt is driven along the inclined conveyor between the first shaft and the second shaft, and the belt includes an upper portion and a lower portion between the lower end and the upper end. A floor is partially disposed between the upper portion and the lower portion of the belt, and a wiper is coupled to a bottom end of the belt such that the wiper extends from the belt in a direction towards the floor. As the upper portion of the belt travels from the lower end to the upper end of the inclined conveyor, the wiper moves with the belt and contacts and moves material that collects on a top surface of the floor.