After Emperor Wucheng's death, Emperor Wucheng's son Gao Yan, the Prince of Langya, was displeased with the authority that He Shikai was still wielding, and killed him in a coup in 571, but subsequently was himself killed.
Upon Emperor Wucheng's passing, his son Gao Yan, the ruler of Langya, grew resentful of He Shikai's lingering power and staged a rebellion in 571, but ultimately met a similar fate.