Dr Nick Smith's three portfolios have been split among three ministers after his resignation from Cabinet.
David Carter will take over Local Government, Amy Adams will take over Environment, and Tim Groser will get Climate Change Issues.
Amy Adams will relinquish Internal Affairs to Chris Tremain, who has been promoted into cabinet from his ministerial position outside Cabinet.
Mr Tremain will relinquish Consumer Affairs to Tauranga MP Simon Bridges, who has been appointed a minister outside Cabinet
Mr Bridges will also become Associate Climate Change Minister, standing in for Mr Groser when he is travelling as Trade Minister as he does frequently, and Associate Transport Minister.