diff --git a/letsencrypt/cli.py b/letsencrypt/cli.py
index f2b4f9d4f..bbff3411b 100644
--- a/letsencrypt/cli.py
+++ b/letsencrypt/cli.py
@@ -288,8 +288,8 @@ def _create_subparsers(parser):
 
     # the order of add_subparser() calls is important: it defines the
     # order in which subparser names will be displayed in --help
-    parser_run = add_subparser("run", run)
-    parser_auth = add_subparser("auth", auth)
+    add_subparser("run", run)
+    add_subparser("auth", auth)
     parser_install = add_subparser("install", install)
     parser_plugins = add_subparser("plugins", plugins_cmd)
     parser_revoke = add_subparser("revoke", revoke)
diff --git a/letsencrypt/client.py b/letsencrypt/client.py
index 34a5aefdd..bd467b13d 100644
--- a/letsencrypt/client.py
+++ b/letsencrypt/client.py
@@ -100,7 +100,7 @@ class Client(object):
 
         self.account.save()
 
-    def obtain_certificate(self, domains, cert_path, chain_path, csr=None):
+    def obtain_certificate(self, domains, csr=None):
         """Obtains a certificate from the ACME server.
 
         :meth:`.register` must be called before :meth:`.obtain_certificate`
@@ -109,9 +109,6 @@ class Client(object):
 
         :param set domains: domains to get a certificate
 
-        :param str cert_path: Candidate path to a certificate.
-        :param str chain_path: Candidate path to a certificate chain.
-
         :param csr: CSR must contain requested domains, the key used to generate
             this CSR can be different than self.authkey
         :type csr: :class:`CSR`