# File lib/openshift-origin-msg-broker-mcollective/lib/openshift/mcollective_application_container_proxy.rb, line 145
      def unreserve_uid(uid, district_uuid=nil)
        if Rails.configuration.msg_broker[:districts][:enabled]
          if @district
            district_uuid = @district.uuid
          else
            district_uuid = get_district_uuid unless district_uuid
          end
          if district_uuid && district_uuid != 'NONE'
            OpenShift::DataStore.instance.unreserve_district_uid(district_uuid, uid)
          end
        end
      end