diff --git a/nova/api/ec2/cloud.py b/nova/api/ec2/cloud.py
index e723176f2033..5e85cd88a1ee 100644
--- a/nova/api/ec2/cloud.py
+++ b/nova/api/ec2/cloud.py
@@ -23,7 +23,6 @@ datastore.
 """
 
 import base64
-import re
 import time
 
 from nova.api.ec2 import ec2utils
@@ -38,7 +37,6 @@ from nova import exception
 from nova import flags
 from nova.image import s3
 from nova import network
-from nova.openstack.common import excutils
 from nova.openstack.common import log as logging
 from nova.openstack.common import timeutils
 from nova import quota
diff --git a/nova/api/metadata/base.py b/nova/api/metadata/base.py
index 2964d57f1910..61bc9cad00d5 100644
--- a/nova/api/metadata/base.py
+++ b/nova/api/metadata/base.py
@@ -23,14 +23,10 @@ import os
 
 from nova.api.ec2 import ec2utils
 from nova import block_device
-from nova import compute
 from nova import context
 from nova import db
-from nova import exception
 from nova import flags
 from nova import network
-from nova.openstack.common import log as logging
-from nova import volume
 
 FLAGS = flags.FLAGS
 flags.DECLARE('dhcp_domain', 'nova.network.manager')
diff --git a/nova/api/openstack/compute/contrib/config_drive.py b/nova/api/openstack/compute/contrib/config_drive.py
index 49f0aef787bf..a2b354365095 100644
--- a/nova/api/openstack/compute/contrib/config_drive.py
+++ b/nova/api/openstack/compute/contrib/config_drive.py
@@ -17,18 +17,11 @@
 
 """Config Drive extension"""
 
-import webob
-import webob.exc
-
 from nova.api.openstack.compute import servers
-from nova.api.openstack.compute import views
 from nova.api.openstack import extensions
 from nova.api.openstack import wsgi
 from nova.api.openstack import xmlutil
-from nova.compute import api as compute_api
-from nova import exception
 from nova import flags
-from nova.openstack.common import log as logging
 
 
 FLAGS = flags.FLAGS
diff --git a/nova/api/openstack/compute/contrib/instance_usage_audit_log.py b/nova/api/openstack/compute/contrib/instance_usage_audit_log.py
index 3c3588860a23..87dfee13c2e0 100644
--- a/nova/api/openstack/compute/contrib/instance_usage_audit_log.py
+++ b/nova/api/openstack/compute/contrib/instance_usage_audit_log.py
@@ -17,12 +17,9 @@
 
 
 import datetime
-from webob import exc
 
 from nova.api.openstack import extensions
-from nova import context as nova_context
 from nova import db
-from nova import exception
 from nova import flags
 from nova import utils
 
diff --git a/nova/api/openstack/compute/contrib/security_groups.py b/nova/api/openstack/compute/contrib/security_groups.py
index 1705bdd26d6f..a45aac442590 100644
--- a/nova/api/openstack/compute/contrib/security_groups.py
+++ b/nova/api/openstack/compute/contrib/security_groups.py
@@ -29,9 +29,7 @@ from nova import compute
 from nova import db
 from nova import exception
 from nova import flags
-from nova.openstack.common import excutils
 from nova.openstack.common import log as logging
-from nova import utils
 
 
 LOG = logging.getLogger(__name__)
diff --git a/nova/compute/manager.py b/nova/compute/manager.py
index 2a664160f5ac..e850626231dc 100644
--- a/nova/compute/manager.py
+++ b/nova/compute/manager.py
@@ -37,10 +37,8 @@ terminating it.
 import contextlib
 import functools
 import inspect
-import os
 import socket
 import sys
-import tempfile
 import time
 import traceback
 
diff --git a/nova/compute/rpcapi.py b/nova/compute/rpcapi.py
index 526654d9fba5..aa3d32e34738 100644
--- a/nova/compute/rpcapi.py
+++ b/nova/compute/rpcapi.py
@@ -22,7 +22,6 @@ from nova import exception
 from nova import flags
 from nova.openstack.common import jsonutils
 from nova.openstack.common import rpc
-from nova.openstack.common.rpc import common as rpc_common
 import nova.openstack.common.rpc.proxy
 
 
diff --git a/nova/scheduler/driver.py b/nova/scheduler/driver.py
index 324b89edbaa8..94fc6f5fe09a 100644
--- a/nova/scheduler/driver.py
+++ b/nova/scheduler/driver.py
@@ -31,7 +31,6 @@ from nova import flags
 from nova import notifications
 from nova.openstack.common import cfg
 from nova.openstack.common import importutils
-from nova.openstack.common import jsonutils
 from nova.openstack.common import log as logging
 from nova.openstack.common import rpc
 from nova.openstack.common import timeutils
diff --git a/nova/scheduler/host_manager.py b/nova/scheduler/host_manager.py
index 91593b67b474..0403dffdf5ef 100644
--- a/nova/scheduler/host_manager.py
+++ b/nova/scheduler/host_manager.py
@@ -17,7 +17,6 @@
 Manage hosts in the current zone.
 """
 
-import datetime
 import UserDict
 
 from nova import db
diff --git a/nova/test.py b/nova/test.py
index a8a2464cebf2..da1f173871c8 100644
--- a/nova/test.py
+++ b/nova/test.py
@@ -38,7 +38,6 @@ from nova.openstack.common import timeutils
 from nova import service
 from nova import tests
 from nova.tests import fake_flags
-from nova.virt import fake
 
 
 test_opts = [
diff --git a/nova/tests/test_metadata.py b/nova/tests/test_metadata.py
index 62822f721654..7b415f740a3f 100644
--- a/nova/tests/test_metadata.py
+++ b/nova/tests/test_metadata.py
@@ -22,7 +22,6 @@ import base64
 from copy import copy
 import re
 
-import stubout
 import webob
 
 from nova.api.metadata import base
@@ -33,7 +32,6 @@ from nova import exception
 from nova import flags
 from nova import network
 from nova import test
-from nova.tests import fake_network
 
 FLAGS = flags.FLAGS
 
diff --git a/nova/tests/test_misc.py b/nova/tests/test_misc.py
index ee77dca3b217..87971a6a9493 100644
--- a/nova/tests/test_misc.py
+++ b/nova/tests/test_misc.py
@@ -14,7 +14,6 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import commands
 import errno
 import glob
 import os
diff --git a/nova/tests/test_pipelib.py b/nova/tests/test_pipelib.py
index 26ab82ffd125..96e6b08a92b6 100644
--- a/nova/tests/test_pipelib.py
+++ b/nova/tests/test_pipelib.py
@@ -16,7 +16,6 @@
 from nova.cloudpipe import pipelib
 from nova import context
 from nova import crypto
-from nova import db
 from nova import flags
 from nova import test
 from nova import utils
diff --git a/nova/utils.py b/nova/utils.py
index b05e0956d223..9b71e07c55be 100644
--- a/nova/utils.py
+++ b/nova/utils.py
@@ -37,7 +37,6 @@ import sys
 import tempfile
 import threading
 import time
-import types
 import uuid
 from xml.sax import saxutils