Two men arrested on suspicion of murdering 57 year old prison officer Nick Medlin have been released from bail.
Hamsphire Constabulary confirmed a 31 year old and a 26 year old will face no further action.
Mr Medlin died in the early hours of Christmas Day in Ventnor.
Michael John Hudson, of no fixed address, pleaded not guilty to manslaughter at Winchester Crown Court.
His trial is due to take place on 2 July.