Simply send a letter and wish them God's blessing. Explain that you are moving and are ending you membership.Write a letter to or call the church's office and ask to withdraw membership and remove your information from their records. A good church will let you attend even if you are not a member. Many churches will let you take part in many activities without membership. Many churches have abandoned membership as an outdated relic incompatible with effective governance in a modern world. The erasure of the member from the membership rolls. b.