He faces a maximum penalty on both charges of three years in jail or a $4000 fine.
He was remanded on bail to appear before a judge in the Rotorua District Court on December 17.
Andy Hill appeared for Kavanagh.
Police said in a statement on Tuesday Bennett, 63, was found dead by a hunting companion in Te Urewera.
Bennett was a Paeroa construction business owner and ran for the Hauraki District Council in 2022.
Kelly Makiha is a senior journalist who has reported for the Rotorua Daily Post for more than 25 years, covering mainly police, court, human interest and social issues.