diff --git a/monasca_api/policies/__init__.py b/monasca_api/policies/__init__.py
index efeec4c00..413975193 100644
--- a/monasca_api/policies/__init__.py
+++ b/monasca_api/policies/__init__.py
@@ -16,7 +16,6 @@
 import os
 import pkgutil
 
-
 from oslo_config import cfg
 from oslo_log import log
 from oslo_utils import importutils
@@ -35,13 +34,6 @@ def roles_list_to_check_str(roles_list):
 
 security.register_opts(CONF)
 
-HEALTHCHECK_ROLES = roles_list_to_check_str(cfg.CONF.security.healthcheck_roles)
-VERSIONS_ROLES = roles_list_to_check_str(cfg.CONF.security.versions_roles)
-DEFAULT_AUTHORIZED_ROLES = roles_list_to_check_str(cfg.CONF.security.default_authorized_roles)
-READ_ONLY_AUTHORIZED_ROLES = roles_list_to_check_str(cfg.CONF.security.read_only_authorized_roles)
-AGENT_AUTHORIZED_ROLES = roles_list_to_check_str(cfg.CONF.security.agent_authorized_roles)
-DELEGATE_AUTHORIZED_ROLES = roles_list_to_check_str(cfg.CONF.security.delegate_authorized_roles)
-
 
 def load_policy_modules():
     """Load all modules that contain policies.
diff --git a/monasca_api/policies/alarms.py b/monasca_api/policies/alarms.py
index abedb2358..384e2d822 100644
--- a/monasca_api/policies/alarms.py
+++ b/monasca_api/policies/alarms.py
@@ -12,10 +12,16 @@
 # License for the specific language governing permissions and limitations
 # under the License.
 
+from oslo_config import cfg
 from oslo_policy import policy
 
-from monasca_api.policies import DEFAULT_AUTHORIZED_ROLES
-from monasca_api.policies import READ_ONLY_AUTHORIZED_ROLES
+from monasca_api import policies
+
+CONF = cfg.CONF
+DEFAULT_AUTHORIZED_ROLES = policies.roles_list_to_check_str(
+    cfg.CONF.security.default_authorized_roles)
+READ_ONLY_AUTHORIZED_ROLES = policies.roles_list_to_check_str(
+    cfg.CONF.security.read_only_authorized_roles)
 
 rules = [
     policy.DocumentedRuleDefault(
diff --git a/monasca_api/policies/delegate.py b/monasca_api/policies/delegate.py
index 7b0900154..76f36ef4d 100644
--- a/monasca_api/policies/delegate.py
+++ b/monasca_api/policies/delegate.py
@@ -12,9 +12,13 @@
 # License for the specific language governing permissions and limitations
 # under the License.
 
+from oslo_config import cfg
 from oslo_policy import policy
 
-from monasca_api.policies import DELEGATE_AUTHORIZED_ROLES
+from monasca_api import policies
+
+DELEGATE_AUTHORIZED_ROLES = policies.roles_list_to_check_str(
+    cfg.CONF.security.delegate_authorized_roles)
 
 rules = [
     policy.RuleDefault(
diff --git a/monasca_api/policies/healthcheck.py b/monasca_api/policies/healthcheck.py
index e91b94a39..96605a5f2 100644
--- a/monasca_api/policies/healthcheck.py
+++ b/monasca_api/policies/healthcheck.py
@@ -12,9 +12,13 @@
 # License for the specific language governing permissions and limitations
 # under the License.
 
+from oslo_config import cfg
 from oslo_policy import policy
 
-from monasca_api.policies import HEALTHCHECK_ROLES
+from monasca_api import policies
+
+CONF = cfg.CONF
+HEALTHCHECK_ROLES = policies.roles_list_to_check_str(cfg.CONF.security.healthcheck_roles)
 
 rules = [
     policy.DocumentedRuleDefault(
diff --git a/monasca_api/policies/metrics.py b/monasca_api/policies/metrics.py
index 79e6eb126..cf2614e23 100644
--- a/monasca_api/policies/metrics.py
+++ b/monasca_api/policies/metrics.py
@@ -12,12 +12,17 @@
 # License for the specific language governing permissions and limitations
 # under the License.
 
+from oslo_config import cfg
 from oslo_policy import policy
 
-from monasca_api.policies import AGENT_AUTHORIZED_ROLES
-from monasca_api.policies import DEFAULT_AUTHORIZED_ROLES
-from monasca_api.policies import READ_ONLY_AUTHORIZED_ROLES
+from monasca_api import policies
 
+CONF = cfg.CONF
+DEFAULT_AUTHORIZED_ROLES = policies.roles_list_to_check_str(
+    cfg.CONF.security.default_authorized_roles)
+READ_ONLY_AUTHORIZED_ROLES = policies.roles_list_to_check_str(
+    cfg.CONF.security.read_only_authorized_roles)
+AGENT_AUTHORIZED_ROLES = policies.roles_list_to_check_str(cfg.CONF.security.agent_authorized_roles)
 
 rules = [
     policy.DocumentedRuleDefault(
diff --git a/monasca_api/policies/notifications.py b/monasca_api/policies/notifications.py
index e98b3b28f..8743205db 100644
--- a/monasca_api/policies/notifications.py
+++ b/monasca_api/policies/notifications.py
@@ -12,11 +12,16 @@
 # License for the specific language governing permissions and limitations
 # under the License.
 
+from oslo_config import cfg
 from oslo_policy import policy
 
-from monasca_api.policies import DEFAULT_AUTHORIZED_ROLES
-from monasca_api.policies import READ_ONLY_AUTHORIZED_ROLES
+from monasca_api import policies
 
+CONF = cfg.CONF
+DEFAULT_AUTHORIZED_ROLES = policies.roles_list_to_check_str(
+    cfg.CONF.security.default_authorized_roles)
+READ_ONLY_AUTHORIZED_ROLES = policies.roles_list_to_check_str(
+    cfg.CONF.security.read_only_authorized_roles)
 
 rules = [
     policy.DocumentedRuleDefault(
diff --git a/monasca_api/policies/versions.py b/monasca_api/policies/versions.py
index d0add788f..1f1275375 100644
--- a/monasca_api/policies/versions.py
+++ b/monasca_api/policies/versions.py
@@ -12,9 +12,13 @@
 # License for the specific language governing permissions and limitations
 # under the License.
 
+from oslo_config import cfg
 from oslo_policy import policy
 
-from monasca_api.policies import VERSIONS_ROLES
+from monasca_api import policies
+
+CONF = cfg.CONF
+VERSIONS_ROLES = policies.roles_list_to_check_str(cfg.CONF.security.versions_roles)
 
 rules = [
     policy.DocumentedRuleDefault(