With Foss and McCully already having fallen on their swords, which cabinet minister do readers believe should get the chop: Brownlee, Smith or Upston? With readers' poll result.
The decision comes just a day after Corrections Minister Sam Lotu-Iiga revealed he would not contest next year’s election either.
"It's called renewal and keeping the party fresh and forward focused. Contrast that to all the ancient old fossils in Labour"