 He was removed from the party's parliamentary faction after it was definitively announced that Eerdmans would be on the Eén NL candidate list for the 2006 elections.For the 2006 Dutch general election, Eerdmans split with the LPF to form a new political party called One NL with Marco Pastors of Livable Rotterdam.After the dismal result of One NL in the 2006 elections, Eerdmans left Dutch politics.