This Bible contradiction is from the Skeptic's Annotated Bible.
1 Kings 15:14 View context
But the high places were not removed: nevertheless Asa's heart was perfect with the LORD all his days.
2 Chronicles 15:17 View context
But the high places were not taken away out of Israel: nevertheless the heart of Asa was perfect all his days.
2 Chronicles 16:7 View context
And at that time Hanani the seer came to Asa king of Judah, and said unto him, Because thou hast relied on the king of Syria, and not relied on the LORD thy God, therefore is the host of the king of Syria escaped out of thine hand.