diff --git a/nova/api/openstack/compute/routes.py b/nova/api/openstack/compute/routes.py
index c0e9c31f76e4..cf8c6ec4ab09 100644
--- a/nova/api/openstack/compute/routes.py
+++ b/nova/api/openstack/compute/routes.py
@@ -327,6 +327,10 @@ server_remote_consoles_controller = functools.partial(_create_controller,
     remote_consoles.RemoteConsolesController, [], [])
 
 
+server_security_groups_controller = functools.partial(_create_controller,
+    security_groups.ServerSecurityGroupController, [], [])
+
+
 server_tags_controller = functools.partial(_create_controller,
     server_tags.ServerTagsController, [], [])
 
@@ -744,6 +748,9 @@ ROUTE_LIST = (
     ('/servers/{server_id}/remote-consoles', {
         'POST': [server_remote_consoles_controller, 'create']
     }),
+    ('/servers/{server_id}/os-security-groups', {
+        'GET': [server_security_groups_controller, 'index']
+    }),
     ('/servers/{server_id}/tags', {
         'GET': [server_tags_controller, 'index'],
         'PUT': [server_tags_controller, 'update_all'],
diff --git a/nova/api/openstack/compute/security_groups.py b/nova/api/openstack/compute/security_groups.py
index 888a39a806e2..965d4d795997 100644
--- a/nova/api/openstack/compute/security_groups.py
+++ b/nova/api/openstack/compute/security_groups.py
@@ -507,14 +507,10 @@ class SecurityGroups(extensions.V21APIExtensionBase):
         return []
 
     def get_resources(self):
-        server_secgrp_ext = extensions.ResourceExtension(
-            ALIAS,
-            controller=ServerSecurityGroupController(),
-            parent=dict(member_name='server', collection_name='servers'))
         secgrp_rules_ext = extensions.ResourceExtension(
             'os-security-group-rules',
             controller=SecurityGroupRulesController())
-        return [server_secgrp_ext, secgrp_rules_ext]
+        return [secgrp_rules_ext]
 
 
 # NOTE(gmann): This function is not supposed to use 'body_deprecated_param'