There is a possibility that Kiyomori was behind these dismissals, intending them as a means of protecting Shigemori's position by placing Yorimori, who sometimes showed a tendency to act independently, under complete control.
解官の背景には、独自の動きを見せていた頼盛を完全な統制下に置くことで、重盛の地位を守ろうとする清盛の意思が介在していた可能性もある。