Genesis 35
2 Ref Then Jacob said to all his people, Put away the strange gods which are among you, and make yourselves clean, and put on a change of clothing:
3 Ref And let us go up to Beth-el: and there I will make an altar to God, who gave me an answer in the day of my trouble, and was with me wherever I went.
4 Ref Then they gave to Jacob all the strange gods which they had, and the rings which were in their ears; and Jacob put them away under the holy tree at Shechem.