diff --git a/nova/virt/libvirt/vif.py b/nova/virt/libvirt/vif.py
index 49470938ad..21d634fb27 100644
--- a/nova/virt/libvirt/vif.py
+++ b/nova/virt/libvirt/vif.py
@@ -694,9 +694,6 @@ class LibvirtGenericVIFDriver(object):
         mtu = network.get_meta('mtu') if network else None
         nova.privsep.linux_net.set_device_mtu(dev, mtu)
 
-    def plug_vhostuser(self, instance, vif):
-        pass
-
     def _plug_os_vif(self, instance, vif):
         instance_info = os_vif_util.nova_to_osvif_instance(instance)
 
@@ -813,9 +810,6 @@ class LibvirtGenericVIFDriver(object):
         except processutils.ProcessExecutionError:
             LOG.exception(_("Failed while unplugging vif"), instance=instance)
 
-    def unplug_vhostuser(self, instance, vif):
-        pass
-
     def _unplug_os_vif(self, instance, vif):
         instance_info = os_vif_util.nova_to_osvif_instance(instance)