Cabinet minister Mathias Cormann is not resiling from his critical role in last year's Liberal leadership spill, despite being labelled disloyal by some of his colleagues.
Senator Cormann abandoned former prime minister Malcolm Turnbull to support his leadership rival Peter Dutton, in what proved a pivotal moment during the August insurrection.
He insists he would "100 per cent" do the same thing again because he had the best interests of the party and the country at heart.
"If I was focused on my personal popularity at the time, I would have gone and run for the hills. I would have gone and hid under the carpet," Senator Cormann told ABC News on Tuesday.
"But I had a job to do, I had a responsibility. I was in a unique position to help resolve a very difficult situation for the government at the time."
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Former foreign minister Julie Bishop has labelled Senator Cormann "the most disloyal man in politics", in a new book by political journalist Niki Savva.
Nonetheless, Senator Cormann says he holds Ms Bishop in very high regard.
"She's obviously made an outstanding contribution to our country, through an extensive period of public service, a long period of public service," he said.
"I'm not going to provide any commentary on these things."
