King Asa also removed his grandmother Maacah from her position as queen mother because she had made a detestable Asherah pole. Asa chopped down the pole, crushed it, and burned it in the Kidron Valley.
Jewish Publication Society of America Version (JPS1917) - 2 Chronicles 15:16 >And also Maacah the mother of Asa the king, he removed her from being queen, because she had made an abominable image for an Asherah; and Asa cut down her image, and made dust of it, and burnt it at the brook Kidron.