C. F. Keil and Franz Delitzsch on 2 Chronicles 17:6

2Ch 17:6

This blessing encouraged Jehoshaphat to extirpate from the land all idolatrous worship, and to teach the people the law of the Lord. לב נּבהּ, usually sensu malo, to be haughty, proud, cf. e.g., 2Ch 26:16; 2Ch 32:25; here sensu bono, of rising courage to advance in ways pleasing to God: and he removed the high places also, etc. עוד points back to 2Ch 17:3 : not only did he himself keep far from the Baals, but he removed, besides, all memorials of the Baal-worship from Judah. On בּמות and אשׁרים, see on 2Ch 14:2.