A US government aid agency, the Millennium Challenge Corporation, said earlier in the week that its board deferred a vote on a renewal of the development assistance package for the Philippines "subject to a further review of concerns around rule of law and civil liberties."
The agency has clearly not voted to scrap or approve the aid package, but Duterte unleashed an expletives-laden tirade upon his arrival in his southern hometown of Davao after back-to-back visits to Cambodia and Singapore.
"I understand that we have been stricken out of the Millennium Challenge. Well, good, I welcome it," Duterte said with apparent sarcasm.
"We can survive without American money," he said.
"But you know, America, you might also be put to notice. Prepare to leave the Philippines, prepare for the eventual repeal or the abrogation of the Visiting Forces Agreement," he said, referring to a 1998 accord that governs American forces visiting the Philippines for joint combat exercises.
Speaking with reporters Friday, Duterte also told US workers or troops to “start packing.”
"You know, tit for tat ... if you can do this, so (can) we. It ain't a one-way traffic," Duterte said, adding tauntingly, "Bye-bye America."
The US Embassy in Manila did not immediately respond to a request for comment.
The Philippines was a US colony from 1898 until the 1940s. The island group hosted permanent US military bases until the Philippine government ordered them removed 25 years ago.
As many as 600 US troops are currently stationed in the Philippines, and at least two major training exercises involving American and other forces are held in the country each year.