# File lib/fog/aws/requests/compute/restore_address_to_classic.rb, line 27
        def restore_address_to_classic(public_ip)
          response      = Excon::Response.new

          address = self.data[:addresses][public_ip]

          if address
            if address[:origin] == 'vpc'
              raise Fog::Compute::AWS::Error.new("InvalidState => You cannot migrate an Elastic IP address that was originally allocated for use in EC2-VPC to EC2-Classic.")
            end

            address['domain']       = 'standard'
            address.delete("allocationId")

            response.status = 200
            response.body = {
              'requestId' => Fog::AWS::Mock.request_id,
              'publicIp'  => public_ip,
              'status'    => "InClassic"
            }

            response
          else
            raise Fog::Compute::AWS::NotFound.new("Address does not exist")
          end
        end