1 Kings 2:45-46

EasyEnglish Bible

⁴⁵ But the Lord will bless me, King Solomon. David's descendants will continue to serve the Lord as kings for ever.’

⁴⁶ Then the king commanded Jehoiada's son Benaiah to punish Shimei with death. So Benaiah went and he killed Shimei.

So Solomon now ruled the kingdom with complete authority.