Pyongyang did not elaborate on the statement, but in 2017, state media referred to North Korea's first test launch of an ICBM as part of a "package of gifts" for the U.S.
The Intermediate-Range Nuclear Forces Treaty was signed in 1987 by President Ronald Reagan and Soviet leader Mikhail Gorbachev. The U.S. has long accused Russia of refusing to comply with its terms.
The U.S. and Russia seem increasingly interested in battlefield nuclear weapons. Arms control advocates fear a return to the darkest days of the Cold War.
Secretary of State Mike Pompeo said the U.S. will suspend its obligations under the 1987 INF treaty as of Saturday and pull out in six months if Russia isn't deemed to be in compliance.
The national security adviser said the U.S. will leave the INF Treaty "in due course" — and that President Trump and Russian President Vladimir Putin would like to speak directly again next month.
He told reporters in Seoul on Wednesday that the country will take steps to disarm in two and a half years. But details of the agreement between President Trump and Kim Jong Un remain vague.
President Trump says he expects to know quickly whether North Korea is serious about surrendering its nuclear weapons. But Pyongyang has fooled the U.S. in the past.