Yesterday in Strasbourg, Mr Junker unveiled plans to merge the Commission and Council leaders creating “one powerful president”.
But Budapest’s foreign minister Peter Szijjarto dismissed the ideas as a dead end.
As the EU plunges into a debate of its future after Brexit, Mr Szijjarto said giving up national powers was not the right direction to go in.
He told Reuters: “I definitely do not share the approach… that (the) less sovereignty on the level of the member states, the stronger the EU will be.
“I think it is a dead end street.”

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Hungary has also been the most vocal opponent of the EU migration policy and, along with Serbia, challenged an EU ruling that member states must take in a quota of refugees and asylum.
German Chancellor Angela Merkel has urged Hungary to quickly implement the court ruling, but Szijjarto called it a “very dangerous” political decision.
He said: “We will always fight against obligatory quotas, we will never hide our opinion that illegal migration poses a huge threat on Europe, and this position of ours remains our position, regardless of any kind of pressure that has been put on us.”
The one area he supported integration was defence, claiming this would strengthen member states and the bloc as a whole.
But he also disagreed with a common taxation policy. Hungary has one of the EU’s lowest personal income tax rates at 15 percent, and a corporate tax rate of just nine per cent.
When asked in the interview late on Tuesday if Hungary could accept a common EU finance minister and budget, Mr Szijjarto said: “I understand if this is a scenario then first it only can be a scenario for the euro zone, and since we are not members of the euro zone, this question will be decided without asking our opinion.”
The Hungarians are the latest to criticise Mr Juncker’s shock proposals. Former Ukip leader Nigel Farage called it the most “open and honest and truly worrying” speeches he has ever heard from the EU chief and accused him of a European power grab.
He said: “The message is very clear: Brexit has happened, new steam ahead. One powerful president for the whole of the EU.”
A finance minister with fresh powers. “All I can say is thank God we’re leaving because you’ve learned nothing from Brexit.”
After the speech Danish Prime Minister, Lars Løkke Rasmussen tweeted his disagreement, writing: “EUCO (European Commission) is important member state institution. Let’s not mix roles and competences. Need @eucopresident as voice of member states.”