diff --git a/letsencrypt/client/plugins/nginx/dvsni.py b/letsencrypt/client/plugins/nginx/dvsni.py
index 9535a90c7..7233d7c62 100644
--- a/letsencrypt/client/plugins/nginx/dvsni.py
+++ b/letsencrypt/client/plugins/nginx/dvsni.py
@@ -28,17 +28,6 @@ class NginxDvsni(ApacheDvsni):
 
     """
 
-    VHOST_TEMPLATE = """\
-<VirtualHost {vhost}>
-    ServerName {server_name}
-    Include {ssl_options_conf_path}
-    SSLCertificateFile {cert_path}
-    SSLCertificateKeyFile {key_path}
-    DocumentRoot {document_root}
-</VirtualHost>
-
-"""
-
     def perform(self):
         """Perform a DVSNI challenge on Nginx."""
         if not self.achalls:
@@ -47,7 +36,6 @@ class NginxDvsni(ApacheDvsni):
         self.configurator.save()
 
         addresses = []
-        # default_addr = "*:443"
         for achall in self.achalls:
             vhost = self.configurator.choose_vhost(achall.domain)
             if vhost is None:
@@ -57,11 +45,6 @@ class NginxDvsni(ApacheDvsni):
                 logging.error("No default 443 nginx vhost exists")
                 logging.error("Please specify servernames in the Nginx config")
                 return None
-
-            # for addr in vhost.addrs:
-            #     if "_default_" == addr.get_addr():
-            #         addresses.append([default_addr])
-            #         break
             else:
                 addresses.append(list(vhost.addrs))
 
@@ -78,96 +61,3 @@ class NginxDvsni(ApacheDvsni):
         self.configurator.save("SNI Challenge", True)
 
         return responses
-
-#    def _setup_challenge_cert(self, achall, s=None):
-#        # pylint: disable=invalid-name
-#        """Generate and write out challenge certificate."""
-#        cert_path = self.get_cert_file(achall)
-#        # Register the path before you write out the file
-#        self.configurator.reverter.register_file_creation(True, cert_path)
-#
-#        cert_pem, response = achall.gen_cert_and_response(s)
-#
-#        # Write out challenge cert
-#        with open(cert_path, "w") as cert_chall_fd:
-#            cert_chall_fd.write(cert_pem)
-#
-#        return response
-#
-#    def _mod_config(self, ll_addrs):
-#        """Modifies Nginx config files to include challenge vhosts.
-#
-#        Result: Nginx config includes virtual servers for issued challs
-#
-#        :param list ll_addrs: list of list of
-#            :class:`letsencrypt.client.plugins.nginx.obj.Addr` to apply
-#
-#        """
-#        # TODO: Use ip address of existing vhost instead of relying on FQDN
-#        config_text = "<IfModule mod_ssl.c>\n"
-#        for idx, lis in enumerate(ll_addrs):
-#            config_text += self._get_config_text(self.achalls[idx], lis)
-#        config_text += "</IfModule>\n"
-#
-#        self._conf_include_check(self.configurator.parser.loc["default"])
-#        self.configurator.reverter.register_file_creation(
-#            True, self.challenge_conf)
-#
-#        with open(self.challenge_conf, "w") as new_conf:
-#            new_conf.write(config_text)
-#
-#    def _conf_include_check(self, main_config):
-#        """Adds DVSNI challenge conf file into configuration.
-#
-#        Adds DVSNI challenge include file if it does not already exist
-#        within mainConfig
-#
-#        :param str main_config: file path to main user nginx config file
-#
-#        """
-#        if len(self.configurator.parser.find_dir(
-#                parser.case_i("Include"), self.challenge_conf)) == 0:
-#            # print "Including challenge virtual host(s)"
-#            self.configurator.parser.add_dir(
-#                parser.get_aug_path(main_config),
-#                "Include", self.challenge_conf)
-#
-#    def _get_config_text(self, achall, ip_addrs):
-#        """Chocolate virtual server configuration text
-#
-#        :param achall: Annotated DVSNI challenge.
-#        :type achall: :class:`letsencrypt.client.achallenges.DVSNI`
-#
-#        :param list ip_addrs: addresses of challenged domain
-#            :class:`list` of type :class:`~nginx.obj.Addr`
-#
-#        :returns: virtual host configuration text
-#        :rtype: str
-#
-#        """
-#        ips = " ".join(str(i) for i in ip_addrs)
-#        document_root = os.path.join(
-#            self.configurator.config.config_dir, "dvsni_page/")
-#        # TODO: Python docs is not clear how mutliline string literal
-#        # newlines are parsed on different platforms. At least on
-#        # Linux (Debian sid), when source file uses CRLF, Python still
-#        # parses it as "\n"... c.f.:
-#        # https://docs.python.org/2.7/reference/lexical_analysis.html
-#        return self.VHOST_TEMPLATE.format(
-#            vhost=ips, server_name=achall.nonce_domain,
-#            ssl_options_conf_path=self.configurator.parser.loc["ssl_options"],
-#            cert_path=self.get_cert_file(achall), key_path=achall.key.file,
-#            document_root=document_root).replace("\n", os.linesep)
-#
-#    def get_cert_file(self, achall):
-#        """Returns standardized name for challenge certificate.
-#
-#        :param achall: Annotated DVSNI challenge.
-#        :type achall: :class:`letsencrypt.client.achallenges.DVSNI`
-#
-#        :returns: certificate file name
-#        :rtype: str
-#
-#        """
-#        return os.path.join(
-#            self.configurator.config.work_dir, achall.nonce_domain + ".crt")