diff --git a/manifests/plugins/ml2/opendaylight.pp b/manifests/plugins/ml2/opendaylight.pp
index 57bd0f8e4..64caaae91 100644
--- a/manifests/plugins/ml2/opendaylight.pp
+++ b/manifests/plugins/ml2/opendaylight.pp
@@ -1,4 +1,5 @@
 #
+# DEPRECATED !!
 # Install the OpenDaylight and generate config file
 # from parameters in the other classes.
 #
@@ -51,6 +52,8 @@ class neutron::plugins::ml2::opendaylight (
   include neutron::params
   require neutron::plugins::ml2
 
+  warning('Support for networking-odl has been deprecated.')
+
   package { 'python-networking-odl':
     ensure => $package_ensure,
     name   => $::neutron::params::odl_plugin_package,
diff --git a/manifests/plugins/ovs/opendaylight.pp b/manifests/plugins/ovs/opendaylight.pp
index 6a23e16a9..d7f1b9dac 100644
--- a/manifests/plugins/ovs/opendaylight.pp
+++ b/manifests/plugins/ovs/opendaylight.pp
@@ -1,4 +1,5 @@
 #
+# DEPRECATED !!
 # Configure OVS to use OpenDaylight
 #
 # === Parameters
@@ -121,6 +122,8 @@ class neutron::plugins::ovs::opendaylight (
 
   include neutron::deps
 
+  warning('Support for networking-odl has been deprecated.')
+
   # Handle the case where ODL controller is also on this host
   Service<| title == 'opendaylight' |> -> Exec <| title == 'Wait for NetVirt OVSDB to come up' |>
 
diff --git a/releasenotes/notes/deprecate-networking-odl-d8c4e26ffb283811.yaml b/releasenotes/notes/deprecate-networking-odl-d8c4e26ffb283811.yaml
new file mode 100644
index 000000000..6b2df56f0
--- /dev/null
+++ b/releasenotes/notes/deprecate-networking-odl-d8c4e26ffb283811.yaml
@@ -0,0 +1,5 @@
+---
+deprecations:
+  - |
+    Support for networking-old has been deprecated and will be removed in
+    a future release.