And some troops also have been implicated in sexual abuse.
But citing the AP story, Haley said after the vote that while the departure of the peacekeepers "is seen as a success, unfortunately it's a nightmare for many in Haiti who will never be able to forget and live with brutal scars".
The Security Council has acknowledged the completion of Haiti's presidential election, along with the inauguration of its new president, as a "major milestone towards stabilisation " in the Caribbean country.
Members of a Formed Police Unit serving with the UN Stabilization Mission in Haiti (MINUSTAH) patrol a neighborhood in the capital, Port-au-Prince (2009).
The Haiti operation was marred by the deaths of almost 10,000civilians from a cholera epidemic in 2010 that was blamed on Nepali troops, who were said to have introduced the disease through improper waste disposal.
In this August 16, 2016 photo, a Brazilian U.N. peacekeeper opens a gate at the U.N. base in the Cite Soleil slum of Port-au-Prince, Haiti.
US Ambassador to the United Nations Nikki Haley said sex abuse by UN peacekeepers "must stop" and that the United States will continue to demand that countries hold accountable soldiers who face allegations while serving under the UN flag.
MINUSTAH was created by the Council in the aftermath of the 2004 resignation of President Jean-Bertrand Aristide as the country, rocked riots and insurgencies, plunged into chaos.
Nine children in the Haiti sex ring - some as young as 12 - told United Nations investigators how Sri Lankan peacekeepers offered them snacks or money for sex.
The UN said the new mission was also authorised to "protect civilians under imminent threat of physical violence, within its capabilities and areas of deployment, as needed".
United Nations peacekeepers have been accused of sexual abuse and blamed for the cholera outbreak.
"The reason why we don't have a lot of trouble these days is because the United Nations people are still around". But it seems few Haitians will be sad to see them go.
Some Haitians are anxious that the chronically dismal economy will get even worse.
"They should have been out of here a long time ago. So I would urge you to check with, with the Sri Lankans", spokesperson for the Secretary General Stéphane Dujarric said to the press on Thursday. Haiti suffered from deadly cholera which claimed the lives of 1,00,000 citizens."Imagine if the U.N. was going to the United States and raping children and bringing cholera".
Sri Lankan peacekeepers have been revealed to be embroiled in a pedophile circle in Haiti that sexually abuses and exploits minors.