delete git origin

$ git remote -v
# View current remotes
> origin  https://github.com/OWNER/REPOSITORY.git (fetch)
> origin  https://github.com/OWNER/REPOSITORY.git (push)
> destination  https://github.com/FORKER/REPOSITORY.git (fetch)
> destination  https://github.com/FORKER/REPOSITORY.git (push)

$ git remote rm destination
# Remove remote
$ git remote -v
# Verify it's gone
> origin  https://github.com/OWNER/REPOSITORY.git (fetch)
> origin  https://github.com/OWNER/REPOSITORY.git (push)

git remote rm origin

git remote rm destination