The staunch Brexiteer said the Labour and SNP leaders are entitled to attempt to dip their oar into the European Union.
However, he insisted suggestions they will have any influence over the final negotiations is nonsense – and if they tempt Brussels’ into punishing the UK, then leaving the EU without a deal will benefit Britons.
Speaking exclusively to Express.co.uk, he said: “They’re entitled to, they’re opposition politicians and the job of the opposition is to oppose.
“But the negotiations will be done by the British government, and although the result wasn’t as good as we hoped for, the Conservatives won the election.
“Mrs May is the Prime Minister, David Davis is the Brexit Secretary.