Plans to cut fire-fighting services in the rural area of Darwin have been scrapped.

It is the second mini-budget backflip in as many days after the Northern Territory Government dumped plans to charge a $20 fee for some Motor Vehicle Registry over-the-counter services.

Instead of removing firefighters from the Humpty Doo fire station, Chief Minister Terry Mills says a structural review of the Police, Fire and Emergency Services will be held to find "operational efficiencies".

He says the review will determine whether the body will continue to operate more efficiently as a tri-service or under an alternative structure.

"There will be a continuation of the service at Humpty Doo and there will be no reduction of services at the Palmerston fire station," he said.

"There is no additional cost.

"What I will be doing is looking at structural and organisational changes."