If a pastor is informed that a member has without notice united with a church of another denomination, the pastor shall make diligent inquiry. The ONLY way to be ENTIRELY removed from The UMC is transfer.This is grounded in our theology of baptism and membership. The Book of Discipline provides that members can be removed from the membership role if they "transfer, die or have withdrawn from membership." You can do is to end your membership in The UMC. Send a letter requesting removal, the board will have to vote on it and they usually require an official request. One of the largest Protestant denominations in the US is losing congregations over disputes over LGBTQ clergy and samesex marriage.