31 In the eighteenth year of King Jehoshaphat of Judah, Jehoram son of Ahab became king over Israel in Samaria; he reigned twelve years. 2 He did what was evil in the sight of the Lord, though not like his father and mother, for he removed the pillar of Baal that his father had made. 3 Nevertheless he clung to the sin of Jeroboam son of Nebat, which he caused Israel to commit; he did not depart from it.
Matthew Henry's Commentary on 2 Kings 3:1-3
Commentary on 2 Kings 3:1-5
(Read 2 Kings 3:1-5)
Jehoram took warning by God's judgment, and put away the image of Baal, yet he maintained the worship of the calves. Those do not truly repent or reform, who only part with the sins they lose by, but continue to love the sins that they think to gain by.