diff --git a/manifests/init.pp b/manifests/init.pp
index 9f6125190..cd6eaaab2 100644
--- a/manifests/init.pp
+++ b/manifests/init.pp
@@ -378,16 +378,6 @@
 #
 # DEPRECATED PARAMETERS
 #
-# [*rabbit_heartbeat_in_pthread*]
-#   (Optional) EXPERIMENTAL: Run the health check heartbeat thread
-#   through a native python thread. By default if this
-#   option isn't provided the  health check heartbeat will
-#   inherit the execution model from the parent process. By
-#   example if the parent process have monkey patched the
-#   stdlib by using eventlet/greenlet then the heartbeat
-#   will be run through a green thread.
-#   Defaults to undef
-#
 # == Authors
 #
 #   Dan Bode dan@puppetlabs.com
@@ -466,8 +456,6 @@ class keystone (
   Boolean $purge_config                           = false,
   $amqp_durable_queues                            = $facts['os_service_default'],
   $amqp_auto_delete                               = $facts['os_service_default'],
-  # DEPRECATED PARAMETERS
-  $rabbit_heartbeat_in_pthread                    = undef,
 ) inherits keystone::params {
   include keystone::deps
   include keystone::logging
@@ -572,7 +560,6 @@ class keystone (
     rabbit_ha_queues                => $rabbit_ha_queues,
     heartbeat_timeout_threshold     => $rabbit_heartbeat_timeout_threshold,
     heartbeat_rate                  => $rabbit_heartbeat_rate,
-    heartbeat_in_pthread            => $rabbit_heartbeat_in_pthread,
     rabbit_qos_prefetch_count       => $rabbit_qos_prefetch_count,
     amqp_durable_queues             => $amqp_durable_queues,
     amqp_auto_delete                => $amqp_auto_delete,
diff --git a/releasenotes/notes/remove-rabbit_heartbeat_in_pthread-3b12a812f1d2e1fd.yaml b/releasenotes/notes/remove-rabbit_heartbeat_in_pthread-3b12a812f1d2e1fd.yaml
new file mode 100644
index 000000000..1aa05ed5b
--- /dev/null
+++ b/releasenotes/notes/remove-rabbit_heartbeat_in_pthread-3b12a812f1d2e1fd.yaml
@@ -0,0 +1,4 @@
+---
+upgrade:
+  - |
+    The ``keystone::rabbit_heartbeat_in_pthread`` parameter has been removed.
diff --git a/spec/classes/keystone_init_spec.rb b/spec/classes/keystone_init_spec.rb
index 67277e501..093c49475 100644
--- a/spec/classes/keystone_init_spec.rb
+++ b/spec/classes/keystone_init_spec.rb
@@ -79,7 +79,6 @@ describe 'keystone' do
           :rabbit_ha_queues                => '<SERVICE DEFAULT>',
           :heartbeat_timeout_threshold     => '<SERVICE DEFAULT>',
           :heartbeat_rate                  => '<SERVICE DEFAULT>',
-          :heartbeat_in_pthread            => nil,
           :rabbit_qos_prefetch_count       => '<SERVICE DEFAULT>',
           :amqp_durable_queues             => '<SERVICE DEFAULT>',
           :amqp_auto_delete                => '<SERVICE DEFAULT>',