diff --git a/doc/v3/api_samples/extension-info/extensions-get-resp.json b/doc/v3/api_samples/extension-info/extensions-get-resp.json
index 1ee70325681b..0f8df1c991e0 100644
--- a/doc/v3/api_samples/extension-info/extensions-get-resp.json
+++ b/doc/v3/api_samples/extension-info/extensions-get-resp.json
@@ -3,7 +3,6 @@
         "alias": "flavors",
         "description": "Flavors Extension.",
         "name": "flavors",
-        "namespace": "http://docs.openstack.org/compute/core/flavors/v3",
         "version": 1
     }
-}
\ No newline at end of file
+}
diff --git a/doc/v3/api_samples/extension-info/extensions-list-resp.json b/doc/v3/api_samples/extension-info/extensions-list-resp.json
index d25cdf57cdeb..a83faeeb44ed 100644
--- a/doc/v3/api_samples/extension-info/extensions-list-resp.json
+++ b/doc/v3/api_samples/extension-info/extensions-list-resp.json
@@ -4,15 +4,13 @@
             "alias": "extensions",
             "description": "Extension information.",
             "name": "extensions",
-            "namespace": "http://docs.openstack.org/compute/core/extension_info/api/v3",
             "version": 1
         },
         {
             "alias": "flavors",
             "description": "Flavors Extension.",
             "name": "flavors",
-            "namespace": "http://docs.openstack.org/compute/core/flavors/v3",
             "version": 1
         }
     ]
-}
\ No newline at end of file
+}
diff --git a/nova/api/openstack/compute/plugins/__init__.py b/nova/api/openstack/compute/plugins/__init__.py
index 7a50de01ffdf..42c8b1280933 100644
--- a/nova/api/openstack/compute/plugins/__init__.py
+++ b/nova/api/openstack/compute/plugins/__init__.py
@@ -48,7 +48,6 @@ class LoadedExtensionInfo(object):
             LOG.debug(_('Ext alias: %s'), extension.alias)
             LOG.debug(_('Ext description: %s'),
                       ' '.join(extension.__doc__.strip().split()))
-            LOG.debug(_('Ext namespace: %s'), extension.namespace)
             LOG.debug(_('Ext version: %i'), extension.version)
         except AttributeError as ex:
             LOG.exception(_("Exception loading extension: %s"), unicode(ex))
diff --git a/nova/api/openstack/compute/plugins/v3/access_ips.py b/nova/api/openstack/compute/plugins/v3/access_ips.py
index 8e72b27541cd..04169c465e2f 100644
--- a/nova/api/openstack/compute/plugins/v3/access_ips.py
+++ b/nova/api/openstack/compute/plugins/v3/access_ips.py
@@ -79,8 +79,6 @@ class AccessIPs(extensions.V3APIExtensionBase):
 
     name = "AccessIPs"
     alias = ALIAS
-    namespace = ("http://docs.openstack.org/compute/ext/"
-                 "os-access-ips/api/v3")
     version = 1
     v4_key = '%s:access_ip_v4' % ALIAS
     v6_key = '%s:access_ip_v6' % ALIAS
diff --git a/nova/api/openstack/compute/plugins/v3/admin_password.py b/nova/api/openstack/compute/plugins/v3/admin_password.py
index 757834e35fba..d52a71b57b75 100644
--- a/nova/api/openstack/compute/plugins/v3/admin_password.py
+++ b/nova/api/openstack/compute/plugins/v3/admin_password.py
@@ -67,8 +67,6 @@ class AdminPassword(extensions.V3APIExtensionBase):
 
     name = "AdminPassword"
     alias = ALIAS
-    namespace = ("http://docs.openstack.org/compute/ext/"
-                 "os-admin-password/api/v3")
     version = 1
 
     def get_resources(self):
diff --git a/nova/api/openstack/compute/plugins/v3/agents.py b/nova/api/openstack/compute/plugins/v3/agents.py
index 8ba5d4a3a87d..868b1166e4d8 100644
--- a/nova/api/openstack/compute/plugins/v3/agents.py
+++ b/nova/api/openstack/compute/plugins/v3/agents.py
@@ -145,7 +145,6 @@ class Agents(extensions.V3APIExtensionBase):
 
     name = "Agents"
     alias = ALIAS
-    namespace = "http://docs.openstack.org/compute/ext/agents/api/v3"
     version = 1
 
     def get_resources(self):
diff --git a/nova/api/openstack/compute/plugins/v3/aggregates.py b/nova/api/openstack/compute/plugins/v3/aggregates.py
index 7db4f19598aa..08f7d5e10af2 100644
--- a/nova/api/openstack/compute/plugins/v3/aggregates.py
+++ b/nova/api/openstack/compute/plugins/v3/aggregates.py
@@ -227,7 +227,6 @@ class Aggregates(extensions.V3APIExtensionBase):
 
     name = "Aggregates"
     alias = ALIAS
-    namespace = "http://docs.openstack.org/compute/ext/aggregates/api/v3"
     version = 1
 
     def get_resources(self):
diff --git a/nova/api/openstack/compute/plugins/v3/attach_interfaces.py b/nova/api/openstack/compute/plugins/v3/attach_interfaces.py
index 6c0c4225b7d0..799c0cb450c3 100644
--- a/nova/api/openstack/compute/plugins/v3/attach_interfaces.py
+++ b/nova/api/openstack/compute/plugins/v3/attach_interfaces.py
@@ -174,7 +174,6 @@ class AttachInterfaces(extensions.V3APIExtensionBase):
 
     name = "AttachInterfaces"
     alias = ALIAS
-    namespace = "http://docs.openstack.org/compute/ext/interfaces/api/v3"
     version = 1
 
     def get_resources(self):
diff --git a/nova/api/openstack/compute/plugins/v3/availability_zone.py b/nova/api/openstack/compute/plugins/v3/availability_zone.py
index 5c72bea5fc22..f3bb1c6ba16b 100644
--- a/nova/api/openstack/compute/plugins/v3/availability_zone.py
+++ b/nova/api/openstack/compute/plugins/v3/availability_zone.py
@@ -127,8 +127,6 @@ class AvailabilityZone(extensions.V3APIExtensionBase):
 
     name = "AvailabilityZone"
     alias = ALIAS
-    namespace = ("http://docs.openstack.org/compute/ext/"
-                 "availabilityzone/api/v3")
     version = 1
 
     def get_resources(self):
diff --git a/nova/api/openstack/compute/plugins/v3/block_device_mapping.py b/nova/api/openstack/compute/plugins/v3/block_device_mapping.py
index 11fd6da32329..14ba43acec52 100644
--- a/nova/api/openstack/compute/plugins/v3/block_device_mapping.py
+++ b/nova/api/openstack/compute/plugins/v3/block_device_mapping.py
@@ -32,8 +32,6 @@ class BlockDeviceMapping(extensions.V3APIExtensionBase):
 
     name = "BlockDeviceMapping"
     alias = ALIAS
-    namespace = ("http://docs.openstack.org/compute/ext/"
-                 "blockdevicemapping/api/v3")
     version = 1
 
     def get_resources(self):
diff --git a/nova/api/openstack/compute/plugins/v3/cells.py b/nova/api/openstack/compute/plugins/v3/cells.py
index 07bd641f45c2..d461aa475337 100644
--- a/nova/api/openstack/compute/plugins/v3/cells.py
+++ b/nova/api/openstack/compute/plugins/v3/cells.py
@@ -331,7 +331,6 @@ class Cells(extensions.V3APIExtensionBase):
 
     name = "Cells"
     alias = ALIAS
-    namespace = "http://docs.openstack.org/compute/ext/cells/api/v3"
     version = 1
 
     def get_resources(self):
diff --git a/nova/api/openstack/compute/plugins/v3/certificates.py b/nova/api/openstack/compute/plugins/v3/certificates.py
index a4a1a0399870..519153d6fdf9 100644
--- a/nova/api/openstack/compute/plugins/v3/certificates.py
+++ b/nova/api/openstack/compute/plugins/v3/certificates.py
@@ -74,8 +74,6 @@ class Certificates(extensions.V3APIExtensionBase):
 
     name = "Certificates"
     alias = ALIAS
-    namespace = ("http://docs.openstack.org/compute/ext/"
-                 "certificates/api/v3")
     version = 1
 
     def get_resources(self):
diff --git a/nova/api/openstack/compute/plugins/v3/config_drive.py b/nova/api/openstack/compute/plugins/v3/config_drive.py
index 303c731afcef..ca644b359674 100644
--- a/nova/api/openstack/compute/plugins/v3/config_drive.py
+++ b/nova/api/openstack/compute/plugins/v3/config_drive.py
@@ -58,7 +58,6 @@ class ConfigDrive(extensions.V3APIExtensionBase):
 
     name = "ConfigDrive"
     alias = ALIAS
-    namespace = "http://docs.openstack.org/compute/ext/config_drive/api/v3"
     version = 1
 
     def get_controller_extensions(self):
diff --git a/nova/api/openstack/compute/plugins/v3/console_output.py b/nova/api/openstack/compute/plugins/v3/console_output.py
index 45fb68d0d560..2585ecb4f573 100644
--- a/nova/api/openstack/compute/plugins/v3/console_output.py
+++ b/nova/api/openstack/compute/plugins/v3/console_output.py
@@ -85,8 +85,6 @@ class ConsoleOutput(extensions.V3APIExtensionBase):
 
     name = "ConsoleOutput"
     alias = ALIAS
-    namespace = ("http://docs.openstack.org/compute/core/"
-                 "console-output/api/v3")
     version = 1
 
     def get_controller_extensions(self):
diff --git a/nova/api/openstack/compute/plugins/v3/consoles.py b/nova/api/openstack/compute/plugins/v3/consoles.py
index 3f6b42e6cf55..7258681b9947 100644
--- a/nova/api/openstack/compute/plugins/v3/consoles.py
+++ b/nova/api/openstack/compute/plugins/v3/consoles.py
@@ -100,7 +100,6 @@ class Consoles(extensions.V3APIExtensionBase):
 
     name = "Consoles"
     alias = "consoles"
-    namespace = "http://docs.openstack.org/compute/core/consoles/v3"
     version = 1
 
     def get_resources(self):
diff --git a/nova/api/openstack/compute/plugins/v3/deferred_delete.py b/nova/api/openstack/compute/plugins/v3/deferred_delete.py
index 9642ed11de05..3351ebb88627 100644
--- a/nova/api/openstack/compute/plugins/v3/deferred_delete.py
+++ b/nova/api/openstack/compute/plugins/v3/deferred_delete.py
@@ -77,8 +77,6 @@ class DeferredDelete(extensions.V3APIExtensionBase):
 
     name = "DeferredDelete"
     alias = "os-deferred-delete"
-    namespace = ("http://docs.openstack.org/compute/ext/"
-                 "deferred-delete/api/v3")
     version = 1
 
     def get_controller_extensions(self):
diff --git a/nova/api/openstack/compute/plugins/v3/evacuate.py b/nova/api/openstack/compute/plugins/v3/evacuate.py
index 1539f1d272bd..2ac939b15016 100644
--- a/nova/api/openstack/compute/plugins/v3/evacuate.py
+++ b/nova/api/openstack/compute/plugins/v3/evacuate.py
@@ -92,7 +92,6 @@ class Evacuate(extensions.V3APIExtensionBase):
 
     name = "Evacuate"
     alias = ALIAS
-    namespace = "http://docs.openstack.org/compute/ext/evacuate/api/v3"
     version = 1
 
     def get_resources(self):
diff --git a/nova/api/openstack/compute/plugins/v3/extended_availability_zone.py b/nova/api/openstack/compute/plugins/v3/extended_availability_zone.py
index 8cc234920c93..9e22dd2c920a 100644
--- a/nova/api/openstack/compute/plugins/v3/extended_availability_zone.py
+++ b/nova/api/openstack/compute/plugins/v3/extended_availability_zone.py
@@ -60,8 +60,6 @@ class ExtendedAvailabilityZone(extensions.V3APIExtensionBase):
 
     name = "ExtendedAvailabilityZone"
     alias = ALIAS
-    namespace = ("http://docs.openstack.org/compute/ext/"
-                 "extended_availability_zone/api/v3")
     version = 1
 
     def get_controller_extensions(self):
diff --git a/nova/api/openstack/compute/plugins/v3/extended_server_attributes.py b/nova/api/openstack/compute/plugins/v3/extended_server_attributes.py
index 6691091cbd60..5fdc418e0f07 100644
--- a/nova/api/openstack/compute/plugins/v3/extended_server_attributes.py
+++ b/nova/api/openstack/compute/plugins/v3/extended_server_attributes.py
@@ -62,8 +62,6 @@ class ExtendedServerAttributes(extensions.V3APIExtensionBase):
 
     name = "ExtendedServerAttributes"
     alias = ALIAS
-    namespace = ("http://docs.openstack.org/compute/ext/"
-                 "extended_server_attributes/api/v3")
     version = 1
 
     def get_controller_extensions(self):
diff --git a/nova/api/openstack/compute/plugins/v3/extended_status.py b/nova/api/openstack/compute/plugins/v3/extended_status.py
index 9d42705f8cc2..66258c6a9f78 100644
--- a/nova/api/openstack/compute/plugins/v3/extended_status.py
+++ b/nova/api/openstack/compute/plugins/v3/extended_status.py
@@ -59,8 +59,6 @@ class ExtendedStatus(extensions.V3APIExtensionBase):
 
     name = "ExtendedStatus"
     alias = ALIAS
-    namespace = ("http://docs.openstack.org/compute/ext/"
-                 "extended_status/api/v3")
     version = 1
 
     def get_controller_extensions(self):
diff --git a/nova/api/openstack/compute/plugins/v3/extended_volumes.py b/nova/api/openstack/compute/plugins/v3/extended_volumes.py
index b4e3450d9ffa..83d69eb6b9fc 100644
--- a/nova/api/openstack/compute/plugins/v3/extended_volumes.py
+++ b/nova/api/openstack/compute/plugins/v3/extended_volumes.py
@@ -223,8 +223,6 @@ class ExtendedVolumes(extensions.V3APIExtensionBase):
 
     name = "ExtendedVolumes"
     alias = ALIAS
-    namespace = ("http://docs.openstack.org/compute/ext/"
-                 "extended_volumes/api/v3")
     version = 1
 
     def get_controller_extensions(self):
diff --git a/nova/api/openstack/compute/plugins/v3/extension_info.py b/nova/api/openstack/compute/plugins/v3/extension_info.py
index 7f6e294aff59..a09cdf10ab97 100644
--- a/nova/api/openstack/compute/plugins/v3/extension_info.py
+++ b/nova/api/openstack/compute/plugins/v3/extension_info.py
@@ -34,7 +34,6 @@ class ExtensionInfoController(object):
         ext_data['name'] = ext.name
         ext_data['alias'] = ext.alias
         ext_data['description'] = ext.__doc__
-        ext_data['namespace'] = ext.namespace
         ext_data['version'] = ext.version
         return ext_data
 
@@ -81,7 +80,6 @@ class ExtensionInfo(extensions.V3APIExtensionBase):
 
     name = "extensions"
     alias = "extensions"
-    namespace = "http://docs.openstack.org/compute/core/extension_info/api/v3"
     version = 1
 
     def get_resources(self):
diff --git a/nova/api/openstack/compute/plugins/v3/flavor_access.py b/nova/api/openstack/compute/plugins/v3/flavor_access.py
index 44bd7802f8dd..3e138765c567 100644
--- a/nova/api/openstack/compute/plugins/v3/flavor_access.py
+++ b/nova/api/openstack/compute/plugins/v3/flavor_access.py
@@ -156,7 +156,6 @@ class FlavorAccess(extensions.V3APIExtensionBase):
 
     name = "FlavorAccess"
     alias = ALIAS
-    namespace = "http://docs.openstack.org/compute/core/%s/api/v3" % ALIAS
     version = 1
 
     def get_resources(self):
diff --git a/nova/api/openstack/compute/plugins/v3/flavor_manage.py b/nova/api/openstack/compute/plugins/v3/flavor_manage.py
index 72eef0e1f434..5ed4f10e09f9 100644
--- a/nova/api/openstack/compute/plugins/v3/flavor_manage.py
+++ b/nova/api/openstack/compute/plugins/v3/flavor_manage.py
@@ -98,7 +98,6 @@ class FlavorManage(extensions.V3APIExtensionBase):
 
     name = "FlavorManage"
     alias = ALIAS
-    namespace = "http://docs.openstack.org/compute/core/%s/api/v3" % ALIAS
     version = 1
 
     def get_controller_extensions(self):
diff --git a/nova/api/openstack/compute/plugins/v3/flavor_rxtx.py b/nova/api/openstack/compute/plugins/v3/flavor_rxtx.py
index cb5e14b4533e..bdcf7ff6dc2a 100644
--- a/nova/api/openstack/compute/plugins/v3/flavor_rxtx.py
+++ b/nova/api/openstack/compute/plugins/v3/flavor_rxtx.py
@@ -54,7 +54,6 @@ class FlavorRxtx(extensions.V3APIExtensionBase):
 
     name = "FlavorRxtx"
     alias = ALIAS
-    namespace = "http://docs.openstack.org/compute/ext/%s/api/v3" % ALIAS
     version = 1
 
     def get_controller_extensions(self):
diff --git a/nova/api/openstack/compute/plugins/v3/flavors.py b/nova/api/openstack/compute/plugins/v3/flavors.py
index 59cb3990dcfb..65a16b779637 100644
--- a/nova/api/openstack/compute/plugins/v3/flavors.py
+++ b/nova/api/openstack/compute/plugins/v3/flavors.py
@@ -119,7 +119,6 @@ class Flavors(extensions.V3APIExtensionBase):
     """Flavors Extension."""
     name = "flavors"
     alias = "flavors"
-    namespace = "http://docs.openstack.org/compute/core/flavors/v3"
     version = 1
 
     def get_resources(self):
diff --git a/nova/api/openstack/compute/plugins/v3/flavors_extraspecs.py b/nova/api/openstack/compute/plugins/v3/flavors_extraspecs.py
index e00c062ba615..625e9962f97b 100644
--- a/nova/api/openstack/compute/plugins/v3/flavors_extraspecs.py
+++ b/nova/api/openstack/compute/plugins/v3/flavors_extraspecs.py
@@ -118,7 +118,6 @@ class FlavorsExtraSpecs(extensions.V3APIExtensionBase):
     """Flavors Extension."""
     name = 'FlavorsExtraSpecs'
     alias = FlavorExtraSpecsController.ALIAS
-    namespace = "http://docs.openstack.org/compute/core/%s/v3" % alias
     version = 1
 
     def get_resources(self):
diff --git a/nova/api/openstack/compute/plugins/v3/hide_server_addresses.py b/nova/api/openstack/compute/plugins/v3/hide_server_addresses.py
index a33e63c65ca4..1d4f9df8b913 100644
--- a/nova/api/openstack/compute/plugins/v3/hide_server_addresses.py
+++ b/nova/api/openstack/compute/plugins/v3/hide_server_addresses.py
@@ -79,8 +79,6 @@ class HideServerAddresses(extensions.V3APIExtensionBase):
 
     name = 'HideServerAddresses'
     alias = ALIAS
-    namespace = ('http://docs.openstack.org/compute/ext/'
-                 'hide_server_addresses/api/v3')
     version = 1
 
     def get_controller_extensions(self):
diff --git a/nova/api/openstack/compute/plugins/v3/hosts.py b/nova/api/openstack/compute/plugins/v3/hosts.py
index b0221654cd88..7bfa6f652c29 100644
--- a/nova/api/openstack/compute/plugins/v3/hosts.py
+++ b/nova/api/openstack/compute/plugins/v3/hosts.py
@@ -310,7 +310,6 @@ class Hosts(extensions.V3APIExtensionBase):
 
     name = "Hosts"
     alias = ALIAS
-    namespace = "http://docs.openstack.org/compute/ext/hosts/api/v3"
     version = 1
 
     def get_resources(self):
diff --git a/nova/api/openstack/compute/plugins/v3/hypervisors.py b/nova/api/openstack/compute/plugins/v3/hypervisors.py
index 0de516ecf1eb..007b8853859a 100644
--- a/nova/api/openstack/compute/plugins/v3/hypervisors.py
+++ b/nova/api/openstack/compute/plugins/v3/hypervisors.py
@@ -156,7 +156,6 @@ class Hypervisors(extensions.V3APIExtensionBase):
 
     name = "Hypervisors"
     alias = ALIAS
-    namespace = "http://docs.openstack.org/compute/ext/hypervisors/api/v3"
     version = 1
 
     def get_resources(self):
diff --git a/nova/api/openstack/compute/plugins/v3/instance_actions.py b/nova/api/openstack/compute/plugins/v3/instance_actions.py
index 8fcd0cd48a9b..792d8ac2d96f 100644
--- a/nova/api/openstack/compute/plugins/v3/instance_actions.py
+++ b/nova/api/openstack/compute/plugins/v3/instance_actions.py
@@ -93,8 +93,6 @@ class InstanceActions(extensions.V3APIExtensionBase):
 
     name = "InstanceActions"
     alias = ALIAS
-    namespace = ("http://docs.openstack.org/compute/ext/"
-                 "instance-actions/api/v3")
     version = 1
 
     def get_resources(self):
diff --git a/nova/api/openstack/compute/plugins/v3/instance_usage_audit_log.py b/nova/api/openstack/compute/plugins/v3/instance_usage_audit_log.py
index 9f0831cf5e86..1b0d509e4f42 100644
--- a/nova/api/openstack/compute/plugins/v3/instance_usage_audit_log.py
+++ b/nova/api/openstack/compute/plugins/v3/instance_usage_audit_log.py
@@ -125,7 +125,6 @@ class InstanceUsageAuditLog(extensions.V3APIExtensionBase):
     """Admin-only Task Log Monitoring."""
     name = "InstanceUsageAuditLog"
     alias = ALIAS
-    namespace = "http://docs.openstack.org/ext/services/api/v3"
     version = 1
 
     def get_resources(self):
diff --git a/nova/api/openstack/compute/plugins/v3/ips.py b/nova/api/openstack/compute/plugins/v3/ips.py
index ed19d22a4f17..654ba1566a25 100644
--- a/nova/api/openstack/compute/plugins/v3/ips.py
+++ b/nova/api/openstack/compute/plugins/v3/ips.py
@@ -70,7 +70,6 @@ class IPs(extensions.V3APIExtensionBase):
 
     name = "ips"
     alias = "ips"
-    namespace = "http://docs.openstack.org/compute/core/ips/v3"
     version = 1
 
     def get_resources(self):
diff --git a/nova/api/openstack/compute/plugins/v3/keypairs.py b/nova/api/openstack/compute/plugins/v3/keypairs.py
index 364cbcacd55e..a3acf550d778 100644
--- a/nova/api/openstack/compute/plugins/v3/keypairs.py
+++ b/nova/api/openstack/compute/plugins/v3/keypairs.py
@@ -170,7 +170,6 @@ class Keypairs(extensions.V3APIExtensionBase):
 
     name = "Keypairs"
     alias = ALIAS
-    namespace = "http://docs.openstack.org/compute/core/keypairs/api/v3"
     version = 1
 
     def get_resources(self):
diff --git a/nova/api/openstack/compute/plugins/v3/lock_server.py b/nova/api/openstack/compute/plugins/v3/lock_server.py
index 75646321fda9..e2d398269ae5 100644
--- a/nova/api/openstack/compute/plugins/v3/lock_server.py
+++ b/nova/api/openstack/compute/plugins/v3/lock_server.py
@@ -67,7 +67,6 @@ class LockServer(extensions.V3APIExtensionBase):
 
     name = "LockServer"
     alias = ALIAS
-    namespace = "http://docs.openstack.org/compute/ext/%s/api/v3" % ALIAS
     version = 1
 
     def get_controller_extensions(self):
diff --git a/nova/api/openstack/compute/plugins/v3/migrations.py b/nova/api/openstack/compute/plugins/v3/migrations.py
index 41aef1d5d970..a0c600450ab8 100644
--- a/nova/api/openstack/compute/plugins/v3/migrations.py
+++ b/nova/api/openstack/compute/plugins/v3/migrations.py
@@ -42,7 +42,6 @@ class Migrations(extensions.V3APIExtensionBase):
     """Provide data on migrations."""
     name = "Migrations"
     alias = ALIAS
-    namespace = "http://docs.openstack.org/compute/ext/migrations/api/v3"
     version = 1
 
     def get_resources(self):
diff --git a/nova/api/openstack/compute/plugins/v3/multinic.py b/nova/api/openstack/compute/plugins/v3/multinic.py
index 2196d0422f9b..3cfbbfa8b378 100644
--- a/nova/api/openstack/compute/plugins/v3/multinic.py
+++ b/nova/api/openstack/compute/plugins/v3/multinic.py
@@ -80,7 +80,6 @@ class Multinic(extensions.V3APIExtensionBase):
 
     name = "Multinic"
     alias = ALIAS
-    namespace = "http://docs.openstack.org/compute/ext/multinic/api/v3"
     version = 1
 
     def get_controller_extensions(self):
diff --git a/nova/api/openstack/compute/plugins/v3/multiple_create.py b/nova/api/openstack/compute/plugins/v3/multiple_create.py
index 0bea6b7afe55..bc0cf1dbda05 100644
--- a/nova/api/openstack/compute/plugins/v3/multiple_create.py
+++ b/nova/api/openstack/compute/plugins/v3/multiple_create.py
@@ -33,8 +33,6 @@ class MultipleCreate(extensions.V3APIExtensionBase):
 
     name = "MultipleCreate"
     alias = ALIAS
-    namespace = ("http://docs.openstack.org/compute/ext/"
-                 "multiplecreate/api/v3")
     version = 1
 
     def get_resources(self):
diff --git a/nova/api/openstack/compute/plugins/v3/pci.py b/nova/api/openstack/compute/plugins/v3/pci.py
index a7e8fd856c2e..df04361ab47f 100644
--- a/nova/api/openstack/compute/plugins/v3/pci.py
+++ b/nova/api/openstack/compute/plugins/v3/pci.py
@@ -74,7 +74,6 @@ class Pci(extensions.V3APIExtensionBase):
     """Pci access support."""
     name = "PCIAccess"
     alias = ALIAS
-    namespace = "http://docs.openstack.org/compute/ext/%s/api/v3" % ALIAS
     version = 1
 
     def get_resources(self):
diff --git a/nova/api/openstack/compute/plugins/v3/quota_classes.py b/nova/api/openstack/compute/plugins/v3/quota_classes.py
index d09331aa0419..02201235c913 100644
--- a/nova/api/openstack/compute/plugins/v3/quota_classes.py
+++ b/nova/api/openstack/compute/plugins/v3/quota_classes.py
@@ -87,8 +87,6 @@ class QuotaClasses(extensions.V3APIExtensionBase):
 
     name = "QuotaClasses"
     alias = ALIAS
-    namespace = ("http://docs.openstack.org/compute/ext/"
-                 "quota-class-sets/api/v3")
     version = 1
 
     def get_resources(self):
diff --git a/nova/api/openstack/compute/plugins/v3/quota_sets.py b/nova/api/openstack/compute/plugins/v3/quota_sets.py
index adeeb90950e0..8af93a8624db 100644
--- a/nova/api/openstack/compute/plugins/v3/quota_sets.py
+++ b/nova/api/openstack/compute/plugins/v3/quota_sets.py
@@ -225,7 +225,6 @@ class QuotaSets(extensions.V3APIExtensionBase):
 
     name = "Quotas"
     alias = ALIAS
-    namespace = "http://docs.openstack.org/compute/ext/os-quotas-sets/api/v3"
     version = 1
 
     def get_resources(self):
diff --git a/nova/api/openstack/compute/plugins/v3/remote_consoles.py b/nova/api/openstack/compute/plugins/v3/remote_consoles.py
index a5f2e6f1009c..f3c63ec810d1 100644
--- a/nova/api/openstack/compute/plugins/v3/remote_consoles.py
+++ b/nova/api/openstack/compute/plugins/v3/remote_consoles.py
@@ -88,7 +88,6 @@ class RemoteConsoles(extensions.V3APIExtensionBase):
     """Interactive Console support."""
     name = "RemoteConsoles"
     alias = ALIAS
-    namespace = "http://docs.openstack.org/compute/ext/%s/api/v3" % ALIAS
     version = 1
 
     def get_controller_extensions(self):
diff --git a/nova/api/openstack/compute/plugins/v3/rescue.py b/nova/api/openstack/compute/plugins/v3/rescue.py
index bbeb9a9e7a1c..993d9299c559 100644
--- a/nova/api/openstack/compute/plugins/v3/rescue.py
+++ b/nova/api/openstack/compute/plugins/v3/rescue.py
@@ -98,7 +98,6 @@ class Rescue(extensions.V3APIExtensionBase):
 
     name = "Rescue"
     alias = ALIAS
-    namespace = "http://docs.openstack.org/compute/ext/rescue/api/v3"
     version = 1
 
     def get_resources(self):
diff --git a/nova/api/openstack/compute/plugins/v3/scheduler_hints.py b/nova/api/openstack/compute/plugins/v3/scheduler_hints.py
index 58c086c96be7..3b29c58419f5 100644
--- a/nova/api/openstack/compute/plugins/v3/scheduler_hints.py
+++ b/nova/api/openstack/compute/plugins/v3/scheduler_hints.py
@@ -54,8 +54,6 @@ class SchedulerHints(extensions.V3APIExtensionBase):
 
     name = "SchedulerHints"
     alias = ALIAS
-    namespace = ("http://docs.openstack.org/compute/ext/"
-                 "scheduler-hints/api/v3")
     version = 1
 
     def get_controller_extensions(self):
diff --git a/nova/api/openstack/compute/plugins/v3/security_groups.py b/nova/api/openstack/compute/plugins/v3/security_groups.py
index 2d3382a635fa..3bb6e9b08d33 100644
--- a/nova/api/openstack/compute/plugins/v3/security_groups.py
+++ b/nova/api/openstack/compute/plugins/v3/security_groups.py
@@ -126,7 +126,6 @@ class SecurityGroups(extensions.V3APIExtensionBase):
     """Security group support."""
     name = "SecurityGroups"
     alias = ALIAS
-    namespace = "http://docs.openstack.org/compute/ext/securitygroups/api/v3"
     version = 1
 
     def get_controller_extensions(self):
diff --git a/nova/api/openstack/compute/plugins/v3/server_diagnostics.py b/nova/api/openstack/compute/plugins/v3/server_diagnostics.py
index 4323eb39b5ab..8a69afdb4a9b 100644
--- a/nova/api/openstack/compute/plugins/v3/server_diagnostics.py
+++ b/nova/api/openstack/compute/plugins/v3/server_diagnostics.py
@@ -43,8 +43,6 @@ class ServerDiagnostics(extensions.V3APIExtensionBase):
 
     name = "ServerDiagnostics"
     alias = ALIAS
-    namespace = ("http://docs.openstack.org/compute/ext/"
-                 "server-diagnostics/api/v3")
     version = 1
 
     def get_resources(self):
diff --git a/nova/api/openstack/compute/plugins/v3/server_metadata.py b/nova/api/openstack/compute/plugins/v3/server_metadata.py
index 23ad27a9df9d..5009e5992c6e 100644
--- a/nova/api/openstack/compute/plugins/v3/server_metadata.py
+++ b/nova/api/openstack/compute/plugins/v3/server_metadata.py
@@ -173,7 +173,6 @@ class ServerMetadata(extensions.V3APIExtensionBase):
     """Server Metadata API."""
     name = "Server Metadata"
     alias = "server-metadata"
-    namespace = "http://docs.openstack.org/compute/core/server_metadata/v3"
     version = 1
 
     def get_resources(self):
diff --git a/nova/api/openstack/compute/plugins/v3/server_password.py b/nova/api/openstack/compute/plugins/v3/server_password.py
index 0ee1bbbb2870..00d068a23473 100644
--- a/nova/api/openstack/compute/plugins/v3/server_password.py
+++ b/nova/api/openstack/compute/plugins/v3/server_password.py
@@ -74,7 +74,6 @@ class ServerPassword(extensions.V3APIExtensionBase):
 
     name = "ServerPassword"
     alias = ALIAS
-    namespace = ("http://docs.openstack.org/compute/ext/" + ALIAS + "/api/v3")
     version = 1
 
     def get_resources(self):
diff --git a/nova/api/openstack/compute/plugins/v3/server_usage.py b/nova/api/openstack/compute/plugins/v3/server_usage.py
index d98e8236644a..1e5cdb7c7fa2 100644
--- a/nova/api/openstack/compute/plugins/v3/server_usage.py
+++ b/nova/api/openstack/compute/plugins/v3/server_usage.py
@@ -65,8 +65,6 @@ class ServerUsage(extensions.V3APIExtensionBase):
 
     name = "ServerUsage"
     alias = ALIAS
-    namespace = ("http://docs.openstack.org/compute/ext/"
-                 "os-server-usage/api/v3")
     version = 1
 
     def get_controller_extensions(self):
diff --git a/nova/api/openstack/compute/plugins/v3/servers.py b/nova/api/openstack/compute/plugins/v3/servers.py
index 0ea2c20cac82..155d4f4e206a 100644
--- a/nova/api/openstack/compute/plugins/v3/servers.py
+++ b/nova/api/openstack/compute/plugins/v3/servers.py
@@ -1022,7 +1022,6 @@ class Servers(extensions.V3APIExtensionBase):
 
     name = "Servers"
     alias = "servers"
-    namespace = "http://docs.openstack.org/compute/core/servers/v3"
     version = 1
 
     def get_resources(self):
diff --git a/nova/api/openstack/compute/plugins/v3/services.py b/nova/api/openstack/compute/plugins/v3/services.py
index 38991328983a..2a45f3001b8c 100644
--- a/nova/api/openstack/compute/plugins/v3/services.py
+++ b/nova/api/openstack/compute/plugins/v3/services.py
@@ -151,7 +151,6 @@ class Services(extensions.V3APIExtensionBase):
 
     name = "Services"
     alias = ALIAS
-    namespace = "http://docs.openstack.org/compute/ext/services/api/v3"
     version = 1
 
     def get_resources(self):
diff --git a/nova/api/openstack/compute/plugins/v3/shelve.py b/nova/api/openstack/compute/plugins/v3/shelve.py
index f59967de8765..4261e62c7aa7 100644
--- a/nova/api/openstack/compute/plugins/v3/shelve.py
+++ b/nova/api/openstack/compute/plugins/v3/shelve.py
@@ -101,7 +101,6 @@ class Shelve(exts.V3APIExtensionBase):
 
     name = "Shelve"
     alias = ALIAS
-    namespace = "http://docs.openstack.org/compute/ext/shelve/api/v3"
     version = 1
 
     def get_controller_extensions(self):
diff --git a/nova/api/openstack/compute/plugins/v3/simple_tenant_usage.py b/nova/api/openstack/compute/plugins/v3/simple_tenant_usage.py
index 32221d43fe42..9598c2038943 100644
--- a/nova/api/openstack/compute/plugins/v3/simple_tenant_usage.py
+++ b/nova/api/openstack/compute/plugins/v3/simple_tenant_usage.py
@@ -252,8 +252,6 @@ class SimpleTenantUsage(extensions.V3APIExtensionBase):
 
     name = "SimpleTenantUsage"
     alias = ALIAS
-    namespace = ("http://docs.openstack.org/compute/ext/"
-                 "os-simple-tenant-usage/api/v3")
     version = 1
 
     def get_resources(self):
diff --git a/nova/api/openstack/compute/plugins/v3/user_data.py b/nova/api/openstack/compute/plugins/v3/user_data.py
index 1ec71f42ef8b..86035b31de8f 100644
--- a/nova/api/openstack/compute/plugins/v3/user_data.py
+++ b/nova/api/openstack/compute/plugins/v3/user_data.py
@@ -26,8 +26,6 @@ class UserData(extensions.V3APIExtensionBase):
 
     name = "UserData"
     alias = "os-user-data"
-    namespace = ("http://docs.openstack.org/compute/ext/"
-                 "userdata/api/v3")
     version = 1
 
     def get_controller_extensions(self):
diff --git a/nova/api/openstack/compute/plugins/v3/versions.py b/nova/api/openstack/compute/plugins/v3/versions.py
index fa199e1acd3e..4e635227c2d2 100644
--- a/nova/api/openstack/compute/plugins/v3/versions.py
+++ b/nova/api/openstack/compute/plugins/v3/versions.py
@@ -35,7 +35,6 @@ class Versions(extensions.V3APIExtensionBase):
 
     name = "Versions"
     alias = ALIAS
-    namespace = "http://docs.openstack.org/compute/core/versions/v3"
     version = 1
 
     def get_resources(self):
diff --git a/nova/api/openstack/extensions.py b/nova/api/openstack/extensions.py
index 6c313fa71793..f477ba675069 100644
--- a/nova/api/openstack/extensions.py
+++ b/nova/api/openstack/extensions.py
@@ -445,11 +445,6 @@ class V3APIExtensionBase(object):
         """Alias for the extension."""
         pass
 
-    @abc.abstractproperty
-    def namespace(self):
-        """Namespace for the extension."""
-        pass
-
     @abc.abstractproperty
     def version(self):
         """Version of the extension."""
diff --git a/nova/tests/api/openstack/compute/plugins/v3/test_extension_info.py b/nova/tests/api/openstack/compute/plugins/v3/test_extension_info.py
index 717d75b35f7a..81fb04f6c581 100644
--- a/nova/tests/api/openstack/compute/plugins/v3/test_extension_info.py
+++ b/nova/tests/api/openstack/compute/plugins/v3/test_extension_info.py
@@ -23,21 +23,17 @@ from nova.tests.api.openstack import fakes
 
 
 class fake_extension(object):
-    def __init__(self, name, alias, description, namespace, version):
+    def __init__(self, name, alias, description, version):
         self.name = name
         self.alias = alias
         self.__doc__ = description
-        self.namespace = namespace
         self.version = version
 
 
 fake_extensions = {
-    'ext1-alias': fake_extension('ext1', 'ext1-alias', 'ext1 description',
-                           'ext1 namespace', 1),
-    'ext2-alias': fake_extension('ext2', 'ext2-alias', 'ext2 description',
-                           'ext2 namespace', 2),
-    'ext3-alias': fake_extension('ext3', 'ext3-alias', 'ext3 description',
-                           'ext3 namespace', 1)
+    'ext1-alias': fake_extension('ext1', 'ext1-alias', 'ext1 description', 1),
+    'ext2-alias': fake_extension('ext2', 'ext2-alias', 'ext2 description', 2),
+    'ext3-alias': fake_extension('ext3', 'ext3-alias', 'ext3 description', 1)
 }
 
 
@@ -71,8 +67,6 @@ class ExtensionInfoTest(test.NoDBTestCase):
             self.assertEqual(e['alias'], fake_extensions[e['alias']].alias)
             self.assertEqual(e['description'],
                              fake_extensions[e['alias']].__doc__)
-            self.assertEqual(e['namespace'],
-                             fake_extensions[e['alias']].namespace)
             self.assertEqual(e['version'],
                              fake_extensions[e['alias']].version)
 
@@ -87,8 +81,6 @@ class ExtensionInfoTest(test.NoDBTestCase):
                          fake_extensions['ext1-alias'].alias)
         self.assertEqual(res_dict['extension']['description'],
                          fake_extensions['ext1-alias'].__doc__)
-        self.assertEqual(res_dict['extension']['namespace'],
-                         fake_extensions['ext1-alias'].namespace)
         self.assertEqual(res_dict['extension']['version'],
                          fake_extensions['ext1-alias'].version)
 
@@ -104,7 +96,5 @@ class ExtensionInfoTest(test.NoDBTestCase):
             self.assertEqual(e['alias'], fake_extensions[e['alias']].alias)
             self.assertEqual(e['description'],
                              fake_extensions[e['alias']].__doc__)
-            self.assertEqual(e['namespace'],
-                             fake_extensions[e['alias']].namespace)
             self.assertEqual(e['version'],
                              fake_extensions[e['alias']].version)
diff --git a/nova/tests/integrated/v3/api_samples/extension-info/extensions-get-resp.json.tpl b/nova/tests/integrated/v3/api_samples/extension-info/extensions-get-resp.json.tpl
index a042b02963de..0f8df1c991e0 100644
--- a/nova/tests/integrated/v3/api_samples/extension-info/extensions-get-resp.json.tpl
+++ b/nova/tests/integrated/v3/api_samples/extension-info/extensions-get-resp.json.tpl
@@ -3,7 +3,6 @@
         "alias": "flavors",
         "description": "Flavors Extension.",
         "name": "flavors",
-        "namespace": "http://docs.openstack.org/compute/core/flavors/v3",
         "version": 1
     }
 }
diff --git a/nova/tests/integrated/v3/api_samples/extension-info/extensions-list-resp.json.tpl b/nova/tests/integrated/v3/api_samples/extension-info/extensions-list-resp.json.tpl
index d25cdf57cdeb..a83faeeb44ed 100644
--- a/nova/tests/integrated/v3/api_samples/extension-info/extensions-list-resp.json.tpl
+++ b/nova/tests/integrated/v3/api_samples/extension-info/extensions-list-resp.json.tpl
@@ -4,15 +4,13 @@
             "alias": "extensions",
             "description": "Extension information.",
             "name": "extensions",
-            "namespace": "http://docs.openstack.org/compute/core/extension_info/api/v3",
             "version": 1
         },
         {
             "alias": "flavors",
             "description": "Flavors Extension.",
             "name": "flavors",
-            "namespace": "http://docs.openstack.org/compute/core/flavors/v3",
             "version": 1
         }
     ]
-}
\ No newline at end of file
+}