diff --git a/octavia/network/base.py b/octavia/network/base.py
index fd970f3868..2b56cc8fbf 100644
--- a/octavia/network/base.py
+++ b/octavia/network/base.py
@@ -63,10 +63,6 @@ class SubnetNotFound(NetworkException):
     pass
 
 
-class VIPConfigurationNotFound(NetworkException):
-    pass
-
-
 class AmphoraNotFound(NetworkException):
     pass
 
diff --git a/specs/version0.5/network-driver-interface.rst b/specs/version0.5/network-driver-interface.rst
index 5ea93f8fff..306d842d78 100644
--- a/specs/version0.5/network-driver-interface.rst
+++ b/specs/version0.5/network-driver-interface.rst
@@ -134,7 +134,6 @@ New Exceptions defined in the octavia.network package:
 * PortNotFound
 * SubnetNotFound
 * NetworkNotFound
-* VIPConfigurationNotFound
 * AmphoraNotFound
 
 
@@ -181,7 +180,7 @@ class AbstractNetworkDriver
     * Removes any resources that reserved this virtual ip.
     * vip = VIP instance
     * returns None
-    * raises DeallocateVIPException, VIPInUse, VIPConfigurationNotFound
+    * raises DeallocateVIPException, VIPInUse
 
 * plug_network(compute_id, network_id, ip_address=None)