diff --git a/ironic/objects/base.py b/ironic/objects/base.py
index d7b4aebd27..14ef1aadfe 100644
--- a/ironic/objects/base.py
+++ b/ironic/objects/base.py
@@ -17,8 +17,6 @@
 from oslo_log import log as logging
 from oslo_versionedobjects import base as object_base
 
-from ironic.common import exception
-from ironic.common.i18n import _
 from ironic.objects import fields as object_fields
 
 
@@ -29,30 +27,6 @@ class IronicObjectRegistry(object_base.VersionedObjectRegistry):
     pass
 
 
-# Object versioning rules
-#
-# Each service has its set of objects, each with a version attached. When
-# a client attempts to call an object method, the server checks to see if
-# the version of that object matches (in a compatible way) its object
-# implementation. If so, cool, and if not, fail.
-def check_object_version(server, client):
-    try:
-        client_major, _client_minor = client.split('.')
-        server_major, _server_minor = server.split('.')
-        client_minor = int(_client_minor)
-        server_minor = int(_server_minor)
-    except ValueError:
-        raise exception.IncompatibleObjectVersion(
-            _('Invalid version string'))
-
-    if client_major != server_major:
-        raise exception.IncompatibleObjectVersion(
-            dict(client=client_major, server=server_major))
-    if client_minor > server_minor:
-        raise exception.IncompatibleObjectVersion(
-            dict(client=client_minor, server=server_minor))
-
-
 class IronicObject(object_base.VersionedObject):
     """Base class and object factory.
 
@@ -94,17 +68,3 @@ class IronicObject(object_base.VersionedObject):
 class IronicObjectSerializer(object_base.VersionedObjectSerializer):
     # Base class to use for object hydration
     OBJ_BASE_CLASS = IronicObject
-
-
-def obj_to_primitive(obj):
-    """Recursively turn an object into a python primitive.
-
-    An IronicObject becomes a dict
-    """
-    if isinstance(obj, IronicObject):
-        result = {}
-        for key, value in obj.items():
-            result[key] = obj_to_primitive(value)
-        return result
-    else:
-        return obj
diff --git a/ironic/objects/utils.py b/ironic/objects/utils.py
deleted file mode 100644
index f732d731fa..0000000000
--- a/ironic/objects/utils.py
+++ /dev/null
@@ -1,36 +0,0 @@
-#    Copyright 2013 IBM Corp.
-#
-#    Licensed under the Apache License, Version 2.0 (the "License"); you may
-#    not use this file except in compliance with the License. You may obtain
-#    a copy of the License at
-#
-#         http://www.apache.org/licenses/LICENSE-2.0
-#
-#    Unless required by applicable law or agreed to in writing, software
-#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
-#    License for the specific language governing permissions and limitations
-#    under the License.
-
-"""Utility methods for objects"""
-from datetime import datetime
-
-from oslo_utils import timeutils
-
-
-def dt_serializer(name):
-    """Return a datetime serializer for a named attribute."""
-    def serializer(self, name=name):
-        if getattr(self, name) is not None:
-            return datetime.isoformat(getattr(self, name))
-        else:
-            return None
-    return serializer
-
-
-def dt_deserializer(instance, val):
-    """A deserializer method for datetime attributes."""
-    if val is None:
-        return None
-    else:
-        return timeutils.parse_isotime(val)
diff --git a/ironic/tests/objects/test_objects.py b/ironic/tests/objects/test_objects.py
index 1bcef6632a..c001b906d0 100644
--- a/ironic/tests/objects/test_objects.py
+++ b/ironic/tests/objects/test_objects.py
@@ -18,14 +18,12 @@ import gettext
 import iso8601
 
 from oslo_context import context
-from oslo_utils import timeutils
 from oslo_versionedobjects import base as object_base
 from oslo_versionedobjects import exception as object_exception
 import six
 
 from ironic.objects import base
 from ironic.objects import fields
-from ironic.objects import utils
 from ironic.tests import base as test_base
 
 gettext.install('ironic')
@@ -94,34 +92,6 @@ class TestSubclassedObject(MyObj):
     fields = {'new_field': fields.StringField()}
 
 
-class TestUtils(test_base.TestCase):
-
-    def test_dt_serializer(self):
-        class Obj(object):
-            foo = utils.dt_serializer('bar')
-
-        obj = Obj()
-        obj.bar = timeutils.parse_isotime('1955-11-05T00:00:00+00:00')
-        self.assertEqual('1955-11-05T00:00:00+00:00', obj.foo())
-        obj.bar = None
-        self.assertIsNone(obj.foo())
-        obj.bar = 'foo'
-        self.assertRaises(TypeError, obj.foo)
-
-    def test_dt_deserializer(self):
-        dt = timeutils.parse_isotime('1955-11-05T00:00:00Z')
-        self.assertEqual(utils.dt_deserializer(None, dt.isoformat()), dt)
-        self.assertIsNone(utils.dt_deserializer(None, None))
-        self.assertRaises(ValueError, utils.dt_deserializer, None, 'foo')
-
-    def test_obj_to_primitive_dict(self):
-        myobj = MyObj(self.context)
-        myobj.foo = 1
-        myobj.bar = 'foo'
-        self.assertEqual({'foo': 1, 'bar': 'foo'},
-                         base.obj_to_primitive(myobj))
-
-
 class _BaseTestCase(test_base.TestCase):
     def setUp(self):
         super(_BaseTestCase, self).setUp()