John Bercow has claimed Brexit is Britain's "biggest foreign policy mistake" since the war.
At a meeting with the Foreign Press Assocation (FPA) in London, the former Commons Speaker revealed his true thoughts on Britain's exit from the European Union.
"I'm no longer the Speaker, I don't have to remain impartial now and if you asked me honestly do I think that Brexit is good for our global standing? The honest answer is no, I don't," he said.
"I think that Brexit is the biggest foreign policy mistake in the post-war period, and that is my honest view."
He continued: "The honest answer is that I don't think it helps the UK. Let me say for the umpteenth time, for the avoidance of doubt that I believe I was always fair in the chair."
Mr Bercow - who retired as Speaker on October 31 - added that it was "better" for the country to remain in the EU.
During his 10-year tenure as Speaker, Mr Bercow has been accused of having an anti-Brexit bias; an accusation he vehemently denies.
Ex-Labour MP Kate Hoey alleged that he had been a "Remain Speaker" in an interview with talkRADIO, and Sir Bernard Jenkin said he had been guilty of “pleasing one lot and not the other” in Commons debates on Brexit.
On Monday, 62-year-old Sir Lindsay Hoyle was elected as Mr Bercow's successor.
The former deputy Speaker won the final round of voting with 325 votes against the 213 cast for fellow contender Chris Bryant.
In his victory speech, he pledged to change the House of Commons "for the better".
talkRADIO: Your election station