Former defence minister Hishammuddin Hussein has slammed Putrajaya's decision to scrap the Saudi-backed King Salman Centre for International Peace (KSCIP) project.

On Sunday, Defence Minister Mohamad Sabu announced that the KSCIP, which was supposed to have been built on a 16-ha plot of land in Putrajaya, has been cancelled.

Speaking to reporters today, Hishammuddin said Mat Sabu's 'honeymoon period' is over, and it is time to government and administer the Ministry of Defence (Mindef).