Former National Minister Chris Penk's decision not to contest the coming election brings an abrupt end to the political career of a rising star.

Chris Penk says he has decided he will not seek re-election as an MP in November, after Prime Minister Christopher Luxon removed his ministerial portfolios earlier on Wednesday.

Chris Penk has decided not to seek re-election in November, hours after the prime minister stripped him of his portfolios for his role in a leadership challenge.

Former National Minister Chris Penk's decision not to contest the coming election brings an abrupt end to the political career of a rising star.