diff --git a/ckan/lib/repoze_plugins/auth_tkt.py b/ckan/lib/repoze_plugins/auth_tkt.py
index 8d073c1b6ec..75af0258111 100644
--- a/ckan/lib/repoze_plugins/auth_tkt.py
+++ b/ckan/lib/repoze_plugins/auth_tkt.py
@@ -27,8 +27,8 @@ def _get_cookies(self, *args, **kwargs):
 
         cookies = []
         for k, v in super_cookies:
-            replace_with = u'; HttpOnly' if self.httponly else u''
-            v = v.replace(u'; HttpOnly', u'') + replace_with
+            replace_with = '; HttpOnly' if self.httponly else ''
+            v = v.replace('; HttpOnly', '') + replace_with
             cookies.append((k, v))
 
         return cookies
@@ -36,7 +36,7 @@ def _get_cookies(self, *args, **kwargs):
 
 def make_plugin(secret=None,
                 secretfile=None,
-                cookie_name=u'auth_tkt',
+                cookie_name='auth_tkt',
                 secure=False,
                 include_ip=False,
                 timeout=None,
diff --git a/ckan/tests/test_coding_standards.py b/ckan/tests/test_coding_standards.py
index 3822619f3e4..944c57ca809 100644
--- a/ckan/tests/test_coding_standards.py
+++ b/ckan/tests/test_coding_standards.py
@@ -264,7 +264,6 @@ def find_unprefixed_string_literals(filename):
     u'ckan/lib/activity_streams.py',
     u'ckan/lib/activity_streams_session_extension.py',
     u'ckan/lib/app_globals.py',
-    u'ckan/lib/auth_tkt.py',
     u'ckan/lib/authenticator.py',
     u'ckan/lib/base.py',
     u'ckan/lib/captcha.py',
@@ -298,6 +297,7 @@ def find_unprefixed_string_literals(filename):
     u'ckan/lib/search/index.py',
     u'ckan/lib/search/query.py',
     u'ckan/lib/search/sql.py',
+    u'ckan/lib/repoze_plugins/auth_tkt.py',
     u'ckan/lib/uploader.py',
     u'ckan/logic/__init__.py',
     u'ckan/logic/action/__init__.py',