2 Chronicles 19:1

REBUKED BY THE PROPHET; JEHOSHAPHAT DOES BETTER;

JEHU THE SEER REBUKES JEHOSHAPHAT

"And Jehoshaphat the king of Judah returned to his house in peace in Jerusalem. And Jehu the son of Hanani the seer went out to meet him, and said to king Jehoshaphat, Shouldest thou help the wicked, and love them that hate Jehovah? for this thing wrath is upon thee from before Jehovah. Nevertheless there are good things found in thee, in that thou hast put away the Asheroth out of the land, and hast set thy heart to seek God."

In the appraisal of Jehoshaphat's reign, it was, in a general sense, approved, despite the serious, even sinful, mistakes, one of which was that marriage with the daughter of Ahab which he arranged for his heir and successor to the throne.

Also, note that nothing is said here about the removal of the high places, despite the fact that 2 Chronicles 17:6 states that he took away the high places, indicating that the citizens had, in the meanwhile, rebuilt them. This was done many times in the history of Judah.