Story highlights The Games are scheduled for February 9 to 25

Moon and Trump also spoke about the denuclearization of the Korean Peninsula

Seoul (CNN) US President Donald Trump and South Korean President Moon Jae-in have agreed not to hold joint military drills during the Winter Olympic Games in February, Korea's presidential office has said.

The announcement follows a diplomatic breakthrough that re-established communications between North and South Korea, though US officials took a skeptical stance Thursday about Kim's sincerity in soothing tensions.

In a phone call on Thursday, Trump and Moon "agreed not to host joint military drills during the period of Pyeongchang Olympics," in South Korea, the Blue House in Seoul said in a statement. The Games are scheduled for February 9 to 25.

A senior US military official also confirmed to CNN that there would be no joint exercises during the Games.

North Korean leader Kim Jong Un has long bemoaned the joint US-South Korean drills and has often called them a direct threat to Pyongyang.

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