According to the local government officials, the airstrike was carried out early on Thursday morning targeting a gathering of the militants in Torkhel area.
The provincial governor spokesman Ataullah Khogyani confirmed that the militants killed in the air raid belonged to Haqqani terrorist network.
In the meantime, a security official said a commander of the militants was also among those killed in the airstrike.
The official further added that the militants had key role in a deadly attack on Afghan Local Police (ALP) forces check post in Jalrez district two weeks ago.
The anti-government armed militant groups have not commented regarding the report so far.
Wardak is among the relatively volatile provinces where anti-government armed militant groups are actively operating in a number of its districts and frequently carry out insurgency activities.