The Ministry of Defense (MoD) said the operations were launched by 215th Corps of the Afghan National Army and Afghan National Police (ANP) forces.
A statement by MoD said the operations were conducted in Khash Rod district where at least 8 militants were also wounded.
The statement further added that 2 vehicles used by the anti-government armed militants were also destroyed during the raids.
The anti-government armed militant groups including the Taliban insurgents have not commented regarding the report so far.
The Afghan security forces have stepped up crackdown on anti-government armed militant groups across the country to suppress the activities of the groups as they prepare increase attacks as part of their spring offensive.
Nimroz is among the relatively volatile provinces in western Afghanistan where anti-government armed militant groups are actively operating in a number of its remote districts and often carry out insurgency activities.