Throughout 2015 there was a move to rein in influential political figures. Clive Palmer’s voting bloc reduced after two PUP senators resigned and that checked the party’s momentum. The resignation of Green’s leader Christine Milne was unexpected and her replacement swift. The Speaker—who had kept the House in order but not in harmony—finally succumbed to pressure over expenses and resigned. Discontented Liberal politicians acted in September to rid themselves of electoral liabilities.