WBO World Light-Heavyweight champion Braehmer pulled out of this weekend's clash with WBA king Shumenov after being hit with a stomach bug.
It's a nightmare scenario for WBO Interim title holder Cleverly, who is desperate to get his hands on the full title.
He was hoping to meet the winner of Saturday's fight within months.
Instead he may have to wait until later in 2011 for his opportunity - much to his frustration.
"Having the interim title is a great, but I won't be happy until I've beaten Braehmer or Shumenov to hold the full belt," said the unbeaten Welshman.
"I've been chasing for a fight with Braehmer for months and I'm getting fed up waiting for him, I hope he doesn't run around the ring this much if we get it on.
"First we were waiting to hear about his prison sentance and now he's pulled out with a stomach bug, all this is putting me behind my schedule.
"It looked like it might happen late last year, but instead he went for the unification fight with Shumenov.
"Mind you, I'd have probably done the same in his shoes because he's got more chance against Shumenov than he has against me.
"Fingers crossed that their fight gets rescheduled quickly, because I don't want to be waiting months to become a full world champion.
"I want to meet the winner by June and pick up the two world titles."