2 Kings 15:35

However the high places were not taken away: the people still sacrificed and burned incense in the high places. He built the upper gate of the house of the LORD.

2 Kings 12:3

However the high places were not taken away; the people still sacrificed and burnt incense in the high places.

2 Chronicles 23:20

He took the captains of hundreds, and the nobles, and the governors of the people, and all the people of the land, and brought down the king from the house of the LORD: and they came through the upper gate to the king's house, and set the king on the throne of the kingdom.

2 Kings 15:4

However the high places were not taken away: the people still sacrificed and burnt incense in the high places.

2 Kings 18:4

He removed the high places, and broke the pillars, and cut down the Asherah: and he broke in pieces the bronze serpent that Moses had made; for in those days the children of Israel burned incense to it; and he called it Nehushtan.

2 Chronicles 27:3-9

He built the Upper Gate of the house of the LORD, and he carried out considerable work on the wall of Ophel.

2 Chronicles 32:12

Hasn't the same Hezekiah taken away his high places and his altars, and commanded Judah and Jerusalem, saying, 'You shall worship before one altar, and on it you shall burn incense?'

Treasury of Scripture Knowledge

Summary

Howbeit the high places were not removed: the people sacrificed and burned incense still in the high places. He built the higher gate of the house of the LORD.

The higher gate

Bible References

Howbeit

2 Kings 15:4
However the high places were not taken away: the people still sacrificed and burnt incense in the high places.
2 Kings 18:4
He removed the high places, and broke the pillars, and cut down the Asherah: and he broke in pieces the bronze serpent that Moses had made; for in those days the children of Israel burned incense to it; and he called it Nehushtan.
2 Chronicles 32:12
Hasn't the same Hezekiah taken away his high places and his altars, and commanded Judah and Jerusalem, saying, 'You shall worship before one altar, and on it you shall burn incense?'

The higher gate

2 Chronicles 27:3
He built the Upper Gate of the house of the LORD, and he carried out considerable work on the wall of Ophel.