diff --git a/nova/api/openstack/common.py b/nova/api/openstack/common.py
index 925b0918f1..00693efbf0 100644
--- a/nova/api/openstack/common.py
+++ b/nova/api/openstack/common.py
@@ -27,7 +27,6 @@ import six.moves.urllib.parse as urlparse
 import webob
 from webob import exc
 
-from nova.api.validation import parameter_types
 from nova.compute import task_states
 from nova.compute import utils as compute_utils
 from nova.compute import vm_states
@@ -59,8 +58,6 @@ QUOTAS = quota.QUOTAS
 
 CONF.import_opt('enable', 'nova.cells.opts', group='cells')
 
-VALID_NAME_REGEX = re.compile(parameter_types.valid_name_regex, re.UNICODE)
-
 
 XML_NS_V11 = 'http://docs.openstack.org/compute/api/v1.1'
 
diff --git a/nova/api/openstack/compute/legacy_v2/contrib/server_groups.py b/nova/api/openstack/compute/legacy_v2/contrib/server_groups.py
index 553f946c71..88bf573d05 100644
--- a/nova/api/openstack/compute/legacy_v2/contrib/server_groups.py
+++ b/nova/api/openstack/compute/legacy_v2/contrib/server_groups.py
@@ -22,6 +22,7 @@ from webob import exc
 from nova.api.openstack import common
 from nova.api.openstack import extensions
 from nova.api.openstack import wsgi
+from nova.api.validation import parameter_types
 import nova.exception
 from nova.i18n import _
 from nova.i18n import _LE
@@ -109,7 +110,7 @@ class ServerGroupController(wsgi.Controller):
             if field == 'name':
                 utils.check_string_length(value, field,
                                           min_length=1, max_length=255)
-                if not common.VALID_NAME_REGEX.search(value):
+                if not parameter_types.valid_name_regex_obj.search(value):
                     msg = _("Invalid format for name: '%s'") % value
                     raise nova.exception.InvalidInput(reason=msg)
             elif field == 'policies':
diff --git a/nova/api/validation/parameter_types.py b/nova/api/validation/parameter_types.py
index 01facad978..1e55df42a6 100644
--- a/nova/api/validation/parameter_types.py
+++ b/nova/api/validation/parameter_types.py
@@ -100,6 +100,9 @@ valid_name_leading_trailing_spaces_regex = (
         'no_ws': re.escape(_get_printable_no_ws())})
 
 
+valid_name_regex_obj = re.compile(valid_name_regex, re.UNICODE)
+
+
 boolean = {
     'type': ['boolean', 'string'],
     'enum': [True, 'True', 'TRUE', 'true', '1', 'ON', 'On', 'on',
diff --git a/nova/compute/flavors.py b/nova/compute/flavors.py
index 3ea9c6158d..36e0179191 100644
--- a/nova/compute/flavors.py
+++ b/nova/compute/flavors.py
@@ -51,7 +51,6 @@ LOG = logging.getLogger(__name__)
 # create flavor names in locales that use them, however flavor IDs are limited
 # to ascii characters.
 VALID_ID_REGEX = re.compile("^[\w\.\- ]*$")
-VALID_NAME_REGEX = re.compile(parameter_types.valid_name_regex, re.UNICODE)
 
 # NOTE(dosaboy): This is supposed to represent the maximum value that we can
 # place into a SQL single precision float so that we can check whether values
@@ -111,7 +110,7 @@ def create(name, memory, vcpus, root_gb, ephemeral_gb=0, flavorid=None,
     utils.check_string_length(name, 'name', min_length=1, max_length=255)
 
     # ensure name does not contain any special characters
-    valid_name = VALID_NAME_REGEX.search(name)
+    valid_name = parameter_types.valid_name_regex_obj.search(name)
     if not valid_name:
         msg = _("Flavor names can only contain printable characters "
                 "and horizontal spaces.")