In 1529, he eliminated the Takahashi family, including Okimitsu TAKAHASHI who had dominated the Mori family as Komatsumaru MORI's maternal relative and who had schemed to empower Mototsuna AIO, conspiring with the Amago clan.
そして享禄2年（1529年）には、かつて毛利幸松丸の外戚として専権を振るい、尼子氏に通じて相合元綱を擁立しようと画策した高橋興光ら高橋氏一族を討伐。