TEHRAN -- Iranian Foreign Ministry on Monday warned against any "adverse consequences" of ending the US sanctions waivers on oil imports from Iran.

"Given the illegal nature of the US sanctions, Iran has not and will not consider any value for the waivers granted" by the United States to some customers of the Iranian oil, Iran's Foreign Ministry Spokesman Abbas Mousavi said in a statement.

"However, in view of the negative effects in politics of these sanctions ... Iranian Foreign Ministry has been continuously in touch with relevant domestic institutions while holding comprehensive consultations with many foreign partners, including Europeans," Mousavi added.

On Monday, the White House announced that US President Donald Trump has decided not to re-issue the sanctions waivers allowing major importers to continue buying Iran's oil when they expire in early May.

Iran will make appropriate decision over the US new move and will make it public, Mousavi said.