Northern Territory Opposition Leader Selena Uibo has confirmed bullying allegations within her office are being examined, but has declined to detail the nature of the complaints or how they are being investigated.

Ms Uibo, Australia's first female Indigenous leader of a political party, was questioned about the allegations last week following a leadership spill that saw Daly MLA Dheran Young replaced as deputy leader by Ed Smelt.

According to the NT News, the complaints are understood to centre on cultural safety concerns raised by Indigenous staff, including allegations involving a senior member of Ms Uibo's office and the Labor leader's handling of the reports.

"I understand that there has been some challenges around some of the internal workings of my office," she told journalists last week.

"I have addressed some of those, but there is still some work to be done in that space."

In a statement on Tuesday, Ms Uibo said she and her staff worked in a "highly charged political environment that is unique and unlike most workplaces".

"When concerns are raised within my office, I take them seriously. My focus is on ensuring appropriate processes are followed, supporting the wellbeing of those involved, and identifying any improvements that can strengthen our workplace culture," the opposition leader said.

"As Territory Labor Leader, I remain committed to maintaining a respectful, productive and effective Opposition that is focused on addressing the concerns of all Territorians."

The allegations emerged in the aftermath of a surprise caucus decision to remove Mr Young as deputy leader and replace him with Mr Smelt.

Leadership spill fallout

Mr Young, the member for Daly, is one of four Aboriginal Labor MPs in the Northern Territory Parliament. His replacement, the member for Nightcliff, entered parliament following a by-election in March and has just 15 sitting days of parliamentary experience.

Neither Mr Smelt nor Ms Uibo are aligned with a Labor faction. By contrast, the party's three other MLAs — Mr Young, Chansey Paech and Manuel Brown — are all nominally aligned with Labor's Left faction.

It is understood Mr Smelt won the deputy leadership ballot 3 votes to 2.

Ms Uibo told ABC Radio last week Mr Smelt would bring a "renewed focus on winning back the trust and confidence of the people of Darwin and the wider Territory".

"This is not a personal decision at all ... there was a caucus and Ed Smelt was elected as deputy opposition leader," she said.

She told reporters it was important to have someone representing Darwin in the leadership team.

"As the leader, looking at the best way to put our options for Territorians to decide in the next couple of years, having an urban and a bush perspective in our leadership does strengthen our team," Ms Uibo said on Friday.

"Not to say it wasn't already happening, but it does give confidence, particularly to the people of Darwin, the northern suburbs and Palmerston, which we know Labor needs to win back confidence and trust."

After being removed as deputy leader on Thursday evening, Mr Young said he was disappointed by the decision and would relinquish all 10 of his shadow portfolios, including Aboriginal affairs.

"It is a decision I wish has not occurred," he wrote on social media.

"I have always been clear about the direction I believe our party needs to take, the values we must stand for, and the reforms needed to make Labor stronger."