רַ֥ק הַבָּמ֖וֹת לֹא־סָ֑רוּ ע֥וֹד הָעָ֛ם מְזַבְּחִ֥ים וּֽמְקַטְּרִ֖ים בַּבָּמֽוֹת׃
However the high places were not taken away; the people still sacrificed and offered in the high places.
Read midrashic interpretation of II Kings 15:4: and classical rabbinic exegesis.