diff --git a/test_auth_token_middleware.py b/test_auth_token_middleware.py
index 2329b18..39bc0ff 100644
--- a/test_auth_token_middleware.py
+++ b/test_auth_token_middleware.py
@@ -158,7 +158,7 @@ class TimezoneFixture(fixtures.Fixture):
     def __init__(self, new_tz):
         super(TimezoneFixture, self).__init__()
         self.tz = new_tz
-        self.old_tz = os.environ.get('TZ', None)
+        self.old_tz = os.environ.get('TZ')
 
     def setUp(self):
         super(TimezoneFixture, self).setUp()
diff --git a/utils.py b/utils.py
index 3256dd3..d973399 100644
--- a/utils.py
+++ b/utils.py
@@ -134,7 +134,7 @@ class TestResponse(requests.Response):
                 self.headers.update(headers)
             # Fake the text attribute to streamline Response creation
             # _content is defined by requests.Response
-            self._content = data.get('text', None)
+            self._content = data.get('text')
         else:
             self.status_code = data
 
diff --git a/v2_0/fakes.py b/v2_0/fakes.py
index c8de539..214ea71 100644
--- a/v2_0/fakes.py
+++ b/v2_0/fakes.py
@@ -48,7 +48,7 @@ class FakeHTTPClient(fakes.FakeClient):
                                  (method, url, callback))
 
         # Note the call
-        self.callstack.append((method, url, kwargs.get('body', None)))
+        self.callstack.append((method, url, kwargs.get('body')))
 
         if not hasattr(self, callback):
             raise AssertionError('Called unknown API method: %s %s, '
@@ -56,7 +56,7 @@ class FakeHTTPClient(fakes.FakeClient):
                                  (method, url, callback))
 
         # Note the call
-        self.callstack.append((method, url, kwargs.get('body', None)))
+        self.callstack.append((method, url, kwargs.get('body')))
 
         status, body = getattr(self, callback)(**kwargs)
         r = utils.TestResponse({