# File lib/openshift-origin-msg-broker-mcollective/lib/openshift/mcollective_application_container_proxy.rb, line 247
      def remove_env_var(app, gear, key)
        args = Hash.new
        args['--with-app-uuid'] = app.uuid
        args['--with-container-uuid'] = gear.uuid
        args['--with-key'] = key
        result = execute_direct(@@C_CONTROLLER, 'env-var-remove', args)
        parse_result(result)
      end