To provide a chip removing device capable of correctly removing chips by consistently pressing a brush against saw teeth at a predetermined pressure without changing or regulating the fitting position even when the brush is worn.

In a circular saw cutting machine equipped with a circular saw 4 on a saw frame 1, a supporting member 11 for rotatably supporting a rotary brush 9 to remove chips adhered to the saw teeth 8 of the circular saw 4 is fitted to the saw frame 1 so that an outer circumferential portion of the rotary brush 9 bites in the saw teeth 8, and a coil spring 13 for urging the outer circumferential portion of the rotary brush 9 in a pressing direction against the saw teeth 8 is provided on the chip removing device 7 in the circular saw cutting machine.