The Papua New Guinea prime minister, Peter O'Neill, says a suggestion that an Australian-led regional force be sent to PNG to ensure a free and safe election is unwarranted and premature.
The newspaper, The National, says such a move would undermine the work of the Electoral Commission and police.
A Melbourne University professor, Scott Flower told a conference last week that he doubted security resources inside PNG could prevent violence, intimidation and ballot hijacking in the June election.
He says Australia should urgently consider organising a regional security force.
Mr O'Neill says the Electoral Commission has the constitutional responsibility to take charge, run and deliver a successful general election this year.
He says there are likely to be security challenges but he is confident that the plans to deal with such issues.