diff --git a/manifests/network/neutron.pp b/manifests/network/neutron.pp
index 344d500b7..905f9dcbb 100644
--- a/manifests/network/neutron.pp
+++ b/manifests/network/neutron.pp
@@ -118,10 +118,6 @@
 #   (optional) DEPRECATED. The full class name of the network API class.
 #   This parameter has no effect
 #
-# [*security_group_api*]
-#   (optional) DEPRECATED. The full class name of the security API class.
-#   This parameter has no effect.
-#
 # [*neutron_auth_plugin*]
 #   Name of the plugin to load (string value)
 #   Defaults to undef
@@ -152,7 +148,6 @@ class nova::network::neutron (
   $neutron_admin_auth_url          = undef,
   $neutron_default_tenant_id       = undef,
   $network_api_class               = undef,
-  $security_group_api              = undef,
   $neutron_auth_plugin             = undef,
 ) {
 
@@ -162,10 +157,6 @@ class nova::network::neutron (
     warning('network_api_class has no effect and will be dropped in a future release.')
   }
 
-  if $security_group_api != undef {
-    warning('security_group_api has no effect and will be dropped in a future release.')
-  }
-
   # neutron_admin params removed in Mitaka
   if $neutron_password {
     $neutron_password_real = $neutron_password
diff --git a/releasenotes/notes/remove_security_group_api-31ecb1a375826d92.yaml b/releasenotes/notes/remove_security_group_api-31ecb1a375826d92.yaml
new file mode 100644
index 000000000..f47f71f61
--- /dev/null
+++ b/releasenotes/notes/remove_security_group_api-31ecb1a375826d92.yaml
@@ -0,0 +1,4 @@
+---
+deprecations:
+  - The security_group_api option that was deprecated in Mitaka
+    has been removed in Newton.