diff --git a/ceilometermiddleware/swift.py b/ceilometermiddleware/swift.py
index f9c7605..e6baa81 100644
--- a/ceilometermiddleware/swift.py
+++ b/ceilometermiddleware/swift.py
@@ -45,12 +45,12 @@ before "proxy-server" and add the following filter in the file:
     # Logging level control
     log_level = WARNING
 """
+import datetime
 import functools
 import logging
 
 from oslo_config import cfg
 import oslo_messaging
-from oslo_utils import timeutils
 from pycadf import event as cadf_event
 from pycadf.helper import api
 from pycadf import measurement as cadf_measurement
@@ -231,7 +231,7 @@ class Swift(object):
         except ValueError:
             return
 
-        now = timeutils.utcnow().isoformat()
+        now = datetime.datetime.utcnow().isoformat()
 
         resource_metadata = {
             "path": path,
diff --git a/ceilometermiddleware/tests/test_swift.py b/ceilometermiddleware/tests/test_swift.py
index 4c0f43e..8e9cbf7 100644
--- a/ceilometermiddleware/tests/test_swift.py
+++ b/ceilometermiddleware/tests/test_swift.py
@@ -12,10 +12,8 @@
 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 # License for the specific language governing permissions and limitations
 # under the License.
-
 import mock
 from oslo_config import cfg
-from oslo_utils import timeutils
 import six
 
 from ceilometermiddleware import swift
@@ -312,9 +310,9 @@ class TestSwift(tests_base.TestCase):
             list(app(req.environ, self.start_response))
             self.assertEqual(0, len(notify.call_args_list))
 
-    @mock.patch.object(timeutils, 'utcnow')
-    def test_emit_event_fail(self, mocked_time):
-        mocked_time.side_effect = Exception("a exception")
+    @mock.patch('six.moves.urllib.parse.quote')
+    def test_emit_event_fail(self, mocked_func):
+        mocked_func.side_effect = Exception("a exception")
         app = swift.Swift(FakeApp(body=["test"]), {})
         req = FakeRequest('/1.0/account/container',
                           environ={'REQUEST_METHOD': 'GET'})
diff --git a/requirements.txt b/requirements.txt
index 6dc4241..4ba8f82 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,6 @@
 
 oslo.config>=3.9.0 # Apache-2.0
 oslo.messaging>=4.5.0 # Apache-2.0
-oslo.utils>=3.5.0 # Apache-2.0
 pbr>=1.6 # Apache-2.0
 pycadf!=2.0.0,>=1.1.0 # Apache-2.0
 six>=1.9.0 # MIT