diff --git a/cms/envs/common.py b/cms/envs/common.py
index 01e3f891fb..967c442a28 100644
--- a/cms/envs/common.py
+++ b/cms/envs/common.py
@@ -837,7 +837,7 @@ COURSES_WITH_UNSAFE_CODE = []
 DEBUG = False
 SESSION_COOKIE_SECURE = False
 SESSION_SAVE_EVERY_REQUEST = False
-SESSION_SERIALIZER = 'openedx.core.lib.session_serializers.PickleV2Serializer'
+SESSION_SERIALIZER = 'openedx.core.lib.session_serializers.PickleSerializer'
 SESSION_COOKIE_DOMAIN = ""
 SESSION_COOKIE_NAME = 'sessionid'
 
diff --git a/lms/envs/common.py b/lms/envs/common.py
index 13f2891ec3..2989bc2f55 100644
--- a/lms/envs/common.py
+++ b/lms/envs/common.py
@@ -1100,7 +1100,7 @@ DEBUG = False
 USE_TZ = True
 SESSION_COOKIE_SECURE = False
 SESSION_SAVE_EVERY_REQUEST = False
-SESSION_SERIALIZER = 'openedx.core.lib.session_serializers.PickleV2Serializer'
+SESSION_SERIALIZER = 'openedx.core.lib.session_serializers.PickleSerializer'
 SESSION_COOKIE_DOMAIN = ""
 SESSION_COOKIE_NAME = 'sessionid'
 
diff --git a/openedx/core/lib/session_serializers.py b/openedx/core/lib/session_serializers.py
index 9a401c6152..1c08802a5b 100644
--- a/openedx/core/lib/session_serializers.py
+++ b/openedx/core/lib/session_serializers.py
@@ -5,7 +5,7 @@ import pickle
 import six
 
 
-class PickleV2Serializer(object):
+class PickleSerializer(object):
     """
     Set the pickle protocol version explicitly because we don't want
     to have session thrashing when we upgrade to newer versions of