diff --git a/openstack_dashboard/api/nova.py b/openstack_dashboard/api/nova.py
index 39a7684..e6798e9 100755
--- a/openstack_dashboard/api/nova.py
+++ b/openstack_dashboard/api/nova.py
@@ -38,10 +38,6 @@ from novaclient.v2 import instance_action as nova_instance_action
 from novaclient.v2 import list_extensions as nova_list_extensions
 from novaclient.v2 import servers as nova_servers
 
-# Todo (ediardo): move all wrs* and func wrappers into stx-gui
-from novaclient.v2 import wrs_pci
-from novaclient.v2 import wrs_providernets
-
 from horizon import exceptions
 from horizon import exceptions as horizon_exceptions
 from horizon.utils import functions as utils
@@ -1123,54 +1119,6 @@ def requires_keypair():
     return features.get('requires_keypair', False)
 
 
-# WRS: Nova extension for provider network.
-@profiler.trace
-def provider_network_get(request, providernet_id):
-    return wrs_providernets.ProviderNetsManager(novaclient(request)).get(
-        providernet_id)
-
-
-# WRS: Nova extension for device usage
-@profiler.trace
-class DeviceUsage(base.APIResourceWrapper):
-    """Wrapper for Inventory Device Usage"""
-    _attrs = ['device_name', 'device_id', 'vendor_id', 'class_id',
-              'pci_vfs_configured', 'pci_vfs_used',
-              'pci_pfs_configured', 'pci_pfs_used']
-
-
-@profiler.trace
-def get_device_usage_list(request):
-    usages = wrs_pci.PciDevicesManager(novaclient(request)).list()
-    return [DeviceUsage(n) for n in usages]
-
-
-@profiler.trace
-def get_device_usage(request, device_id):
-    if device_id is None:
-        raise nova_exceptions.ResourceNotFound
-
-    usage = wrs_pci.PciDevicesManager(novaclient(request)).list(
-        device=device_id)
-    return DeviceUsage(usage[0])
-
-
-# WRS: Nova extension for detail device usage
-@profiler.trace
-class DetailUsage(base.APIResourceWrapper):
-    """Wrapper for Inventory Device Usage"""
-    _attrs = ['host',
-              'pci_vfs_configured', 'pci_vfs_used',
-              'pci_pfs_configured', 'pci_pfs_used']
-
-
-@profiler.trace
-def get_detail_usage(request, device_id):
-    usages = wrs_pci.PciDevicesManager(novaclient(request)).get(
-        device_id)
-    return [DetailUsage(n) for n in usages]
-
-
 def can_set_quotas():
     features = getattr(settings, 'OPENSTACK_HYPERVISOR_FEATURES', {})
     return features.get('enable_quotas', True)