The New Zealander was suspended following a routine test by the Voluntary Anti-Doping Association on the day of his shock loss to Fabio Wardley in October returned a positive result for cocaine."I'm pleased to confirm my provisional suspension is lifted and I'll be back in the ring soon," former WBO heavyweight champion Parker, 34, said in a statement."I've been advised to say no more for now while details are finalised."UKAD have yet to comment in response to Parker's remarks.Parker suffered an 11th-round stoppage defeat by British boxer Wardley and lost his status as WBO mandatory challenger to then undisputed heavyweight champion Oleksandr Usyk.