Eventually, he was invaded by the Mori clan and killed himself in 1557, and the Ouchi family was demolished in less than 6 years after Yoshitaka's death.
やがて、毛利氏の侵攻を受けて弘治3年（1557年）に自害し、大内家は義隆の死から6年足らずで滅ぶこととなった。