South Korea’s military said Saturday it detected North Korea removing some of its loudspeakers from the inter-Korean border, days after the South dismantled its own front-line speakers used for anti-North Korean propaganda broadcasts,

In recent months, North Korean loudspeakers have blared howling animals, pounding gongs, and other noises in response to South Korean propaganda and K-pop, irritating border residents.

Relations between the two Koreas were at an all time low in years under South Korea’s former President Yoon Suk Yeol, who was impeached over his martial law declaration last December, as the two sides engaged in tit-for-tat psychological warfare campaigns.