diff --git a/manifests/agents/bigswitch.pp b/manifests/agents/bigswitch.pp
index 810be227c..e31c075a8 100644
--- a/manifests/agents/bigswitch.pp
+++ b/manifests/agents/bigswitch.pp
@@ -1,5 +1,5 @@
 # == Class: neutron::agents::bigswitch
-#
+# DEPRECATED !!
 # Installs and configures the Big Switch agent and lldp
 #
 # === Parameters
@@ -26,6 +26,8 @@ class neutron::agents::bigswitch (
   include neutron::deps
   include neutron::params
 
+  warning('Support for networking-bigswitch has been deprecated.')
+
   if($::osfamily != 'Redhat') {
     fail("Unsupported osfamily ${::osfamily}")
   }
diff --git a/manifests/plugins/ml2/bigswitch.pp b/manifests/plugins/ml2/bigswitch.pp
index 1fdebcd5f..cc33bb4c6 100644
--- a/manifests/plugins/ml2/bigswitch.pp
+++ b/manifests/plugins/ml2/bigswitch.pp
@@ -1,4 +1,4 @@
-#
+# DEPRECATED !!
 # Install the Big Switch ML2 plugin.
 #
 # === Parameters
@@ -13,6 +13,8 @@ class neutron::plugins::ml2::bigswitch (
   $package_ensure = 'present',
 ) {
 
+  warning('Support for networking-bigswitch has been deprecated.')
+
   include neutron::deps
   include neutron::params
   require neutron::plugins::ml2
diff --git a/manifests/plugins/ml2/bigswitch/restproxy.pp b/manifests/plugins/ml2/bigswitch/restproxy.pp
index 0b501fe42..038b0ff7a 100644
--- a/manifests/plugins/ml2/bigswitch/restproxy.pp
+++ b/manifests/plugins/ml2/bigswitch/restproxy.pp
@@ -1,4 +1,4 @@
-#
+# DEPRECATED !!
 # Set config file parameters for connecting Neutron server to Big
 # Switch controllers.
 #
diff --git a/releasenotes/notes/deprecate-networking-bigswitch-8b617be7cf6ad2c7.yaml b/releasenotes/notes/deprecate-networking-bigswitch-8b617be7cf6ad2c7.yaml
new file mode 100644
index 000000000..c553080b7
--- /dev/null
+++ b/releasenotes/notes/deprecate-networking-bigswitch-8b617be7cf6ad2c7.yaml
@@ -0,0 +1,5 @@
+---
+deprecations:
+  - |
+    Support for networking-bigswitch has been deprecated because the plugin is
+    unmaintained.