diff --git a/manifests/messaging/amqp.pp b/manifests/messaging/amqp.pp
index 5857fb54c..07c99680e 100644
--- a/manifests/messaging/amqp.pp
+++ b/manifests/messaging/amqp.pp
@@ -32,12 +32,6 @@
 #   (Optional) Space separated list of acceptable SASL mechanisms
 #   Defaults to $::os_service_default.
 #
-# DEPRECATED PARAMETERS
-#
-# [*amqp_allow_insecure_clients*]
-#   (Optional) Accept clients using either SSL or plain TCP
-#   Defaults to undef.
-#
 class keystone::messaging::amqp(
   $amqp_pre_settled                     = $::os_service_default,
   $amqp_idle_timeout                    = $::os_service_default,
@@ -46,17 +40,10 @@ class keystone::messaging::amqp(
   $amqp_ssl_key_file                    = $::os_service_default,
   $amqp_ssl_key_password                = $::os_service_default,
   $amqp_sasl_mechanisms                 = $::os_service_default,
-  # DEPRECATED PARAMETERS
-  $amqp_allow_insecure_clients          = undef,
 ) {
 
   include keystone::deps
 
-  if $amqp_allow_insecure_clients != undef {
-    warning('The amqp_allow_insecure_clients parameter is deprecated and \
-will be removed in a future release.')
-  }
-
   oslo::messaging::amqp { 'keystone_config':
     pre_settled      => $amqp_pre_settled,
     idle_timeout     => $amqp_idle_timeout,
diff --git a/releasenotes/notes/remove-amqp_allow_insecure_clients-00d7bc282aedc638.yaml b/releasenotes/notes/remove-amqp_allow_insecure_clients-00d7bc282aedc638.yaml
new file mode 100644
index 000000000..3e8c1663d
--- /dev/null
+++ b/releasenotes/notes/remove-amqp_allow_insecure_clients-00d7bc282aedc638.yaml
@@ -0,0 +1,5 @@
+---
+upgrade:
+  - |
+    The ``keystone::messaging::amqp::allow_insecure_clients`` parameter has
+    been removed.