diff --git a/ceilometer/objectstore/swift_middleware.py b/ceilometer/objectstore/swift_middleware.py
index a630bf28a..751b06873 100644
--- a/ceilometer/objectstore/swift_middleware.py
+++ b/ceilometer/objectstore/swift_middleware.py
@@ -96,9 +96,9 @@ class CeilometerMiddleware(object):
         def iter_response(iterable):
             iterator = iter(iterable)
             try:
-                chunk = iterator.next()
+                chunk = next(iterator)
                 while not chunk:
-                    chunk = iterator.next()
+                    chunk = next(iterator)
             except StopIteration:
                 chunk = ''
 
@@ -109,7 +109,7 @@ class CeilometerMiddleware(object):
                 while chunk:
                     bytes_sent += len(chunk)
                     yield chunk
-                    chunk = iterator.next()
+                    chunk = next(iterator)
             finally:
                 try:
                     self.publish_sample(env,
diff --git a/ceilometer/tests/compute/pollsters/test_cpu.py b/ceilometer/tests/compute/pollsters/test_cpu.py
index 783276c05..c95321bec 100644
--- a/ceilometer/tests/compute/pollsters/test_cpu.py
+++ b/ceilometer/tests/compute/pollsters/test_cpu.py
@@ -20,7 +20,6 @@
 import time
 
 import mock
-import six
 
 from ceilometer.compute import manager
 from ceilometer.compute.pollsters import cpu
@@ -43,7 +42,7 @@ class TestCPUPollster(base.TestPollsterBase):
         ))
 
         def inspect_cpus(name):
-            return six.next(next_value)
+            return next(next_value)
 
         self.inspector.inspect_cpus = mock.Mock(side_effect=inspect_cpus)
 
@@ -92,7 +91,7 @@ class TestCPUUtilPollster(base.TestPollsterBase):
         ))
 
         def inspect_cpu_util(name, duration):
-            return six.next(next_value)
+            return next(next_value)
 
         self.inspector.inspect_cpu_util = (mock.
                                            Mock(side_effect=inspect_cpu_util))
diff --git a/ceilometer/tests/compute/pollsters/test_memory.py b/ceilometer/tests/compute/pollsters/test_memory.py
index f1c805a97..969518eb8 100644
--- a/ceilometer/tests/compute/pollsters/test_memory.py
+++ b/ceilometer/tests/compute/pollsters/test_memory.py
@@ -14,7 +14,6 @@
 #    under the License.
 
 import mock
-import six
 
 from ceilometer.compute import manager
 from ceilometer.compute.pollsters import memory
@@ -35,7 +34,7 @@ class TestMemoryPollster(base.TestPollsterBase):
         ))
 
         def inspect_memory_usage(instance, duration):
-            return six.next(next_value)
+            return next(next_value)
 
         (self.inspector.
          inspect_memory_usage) = mock.Mock(side_effect=inspect_memory_usage)
diff --git a/ceilometer/tests/profiler/test_notifications.py b/ceilometer/tests/profiler/test_notifications.py
index 943f71b19..e923b0536 100644
--- a/ceilometer/tests/profiler/test_notifications.py
+++ b/ceilometer/tests/profiler/test_notifications.py
@@ -43,7 +43,7 @@ class ProfilerNotificationsTestCase(test.BaseTestCase):
 
     def test_process_notification(self):
         prof = notifications.ProfilerNotifications(None)
-        info = prof.process_notification(NOTIFICATION).next()
+        info = next(prof.process_notification(NOTIFICATION))
 
         self.assertEqual(NOTIFICATION["payload"]["name"], info.name)
         self.assertEqual(sample.TYPE_GAUGE, info.type)