Birmingham Erdington MP Jack Dromey has admitted that the city's voters are likely to reject an elected mayor.
He said: "The straws in the wind are that it is likely to be a No vote, but we will see."
David Cameron's dream of elected mayors in Britain's major cities looks to be in tatters after the the idea was rejected in referendums.
People in Nottingham, Coventry and Birmingham will this week get the chance to decide whether they want mayors to lead their cities.
Liam Byrne the Birmingham Hodge Hill MP is to resign from the shadow cabinet to stand for mayor in Birmingham.