diff --git a/doc/source/configuration.rst b/doc/source/configuration.rst
index 714747427..cdaef9b76 100644
--- a/doc/source/configuration.rst
+++ b/doc/source/configuration.rst
@@ -409,8 +409,7 @@ provider, the Nodepool image types are also defined (see
     Specify custom Neutron networks that get attached to each
     node. Specify the ``name`` of the network (a string) and if the
     network routes to the Internet, set the boolean ``public`` to
-    true. If the network should be the target of floating IP NAT, set
-    ``nat_destination`` to true.
+    true.
 
   ``ipv6-preferred``
     If it is set to True, nodepool will try to find ipv6 in public net first
diff --git a/nodepool/cmd/config_validator.py b/nodepool/cmd/config_validator.py
index f92cf2801..bc987b427 100644
--- a/nodepool/cmd/config_validator.py
+++ b/nodepool/cmd/config_validator.py
@@ -51,7 +51,6 @@ class ConfigValidator:
         network = {
             'name': v.Required(str),
             'public': bool,
-            'nat_destination': bool,
         }
 
         providers = {
diff --git a/nodepool/config.py b/nodepool/config.py
index 4873ccbe1..66a3f24f7 100644
--- a/nodepool/config.py
+++ b/nodepool/config.py
@@ -163,7 +163,6 @@ def loadConfig(config_path):
                 n.name = network.get('name')
                 n.id = None
             n.public = network.get('public', False)
-            n.nat_destination = network.get('nat_destination', False)
         p.ipv6_preferred = provider.get('ipv6-preferred')
         p.azs = provider.get('availability-zones')
         p.template_hostname = provider.get(
@@ -312,22 +311,6 @@ def _cloudKwargsFromProvider(provider):
     if 'service-name' in provider:
         cloud_kwargs['compute-service-name'] = provider['service-name']
 
-    if 'networks' in provider:
-        networks = []
-        for network in provider.get('networks', []):
-            if 'net-id' in network:
-                name_or_id = network['net-id']
-            elif 'net-label' in network:
-                name_or_id = network['net-label']
-            else:
-                name_or_id = network.get('name')
-            external = network.get('public', False)
-            nat_destination = network.get('nat_destination', False)
-            networks.append(dict(
-                name=name_or_id, routes_externally=external,
-                nat_destination=nat_destination))
-        cloud_kwargs['networks'] = networks
-
     auth_kwargs = {}
     for auth_key in (
             'username', 'password', 'auth-url', 'project-id', 'project-name'):
diff --git a/requirements.txt b/requirements.txt
index 9cdc3143d..4be3d4cb0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,7 +14,7 @@ PyMySQL
 PrettyTable>=0.6,<0.8
 # shade has a looser requirement on six than nodepool, so install six first
 six>=1.7.0
-os-client-config>=1.17.0
+os-client-config>=1.2.0
 shade>=1.6.2
 diskimage-builder
 voluptuous