RNZ reports the fight was due to be held on October 29th in Manchester, having been originally postponed in July when Fury suffered an ankle injury.
"Tyson has this week been declared medically unfit to fight," his promoters Hennessy Sports said in a statement without elaborating.
"Medical specialists have advised that the condition is too severe to allow him to participate in the rematch and that he will require treatment before going back into the ring.
