Sportswear giant, Nike, has scrapped its 20 per cent discount for police officers in Victoria.

Nike's controversial deal became a target for anti-globalisation protesters who demonstrate weekly outside the sportswear firm's flagship Melbourne store.

Protesters claimed the discount compromised police impartiality and guaranteed a large force presence at rallies.

Nike said it has withdrawn the discount because of concerns over its appropriateness.

The Victorian government had asked the police chief commissioner to review ethics guidelines