Human remains have been found in an abandoned car near Leeman on Saturday

Police will prepare a report for the coroner following the discovery of human remains near Leeman at the weekend.

On Saturday, police were advised of human remains located in an abandoned vehicle 20km south of Leeman.

According to a WA Police spokeswoman, the remains had been there for some time and a forensic examination determined the death was not suspicious.

The identity of the deceased is not been confirmed, but is believed to be a long-term missing person.