diff --git a/manifests/sink.pp b/manifests/sink.pp
index e9142eef..e8422263 100644
--- a/manifests/sink.pp
+++ b/manifests/sink.pp
@@ -32,7 +32,7 @@
 #  (optional) List of notification handlers to enable, configuration of
 #  these needs to correspond to a [handler:my_driver] section below or
 #  else in the config.
-#  Defaults to undef
+#  Defaults to $::os_service_default
 #
 class designate::sink (
   $package_ensure                = present,
@@ -41,7 +41,7 @@ class designate::sink (
   $manage_service                = true,
   $workers                       = $::os_service_default,
   $threads                       = $::os_service_default,
-  $enabled_notification_handlers = undef,
+  $enabled_notification_handlers = $::os_service_default,
 ) inherits designate::params {
 
   include designate::deps
@@ -59,14 +59,15 @@ class designate::sink (
     'service:sink/threads': value => $threads;
   }
 
-  if $enabled_notification_handlers {
-    designate_config {
-      'service:sink/enabled_notification_handlers': value => join(any2array($enabled_notification_handlers),',')
-    }
+  if ! $enabled_notification_handlers {
+    warning('Usage of false value for enabled_notification_handlers is deprecated. \
+Use $::os_service_default instead')
+    $enabled_notification_handlers_real = $::os_service_default
   } else {
-    designate_config {
-      'service:sink/enabled_notification_handlers': ensure => absent
-    }
+    $enabled_notification_handlers_real = $enabled_notification_handlers
   }
 
+  designate_config {
+    'service:sink/enabled_notification_handlers': value => join(any2array($enabled_notification_handlers_real), ',')
+  }
 }
diff --git a/releasenotes/notes/simplify-enabled_notification_handlers-b223e3e445ee02ec.yaml b/releasenotes/notes/simplify-enabled_notification_handlers-b223e3e445ee02ec.yaml
new file mode 100644
index 00000000..8d8112b1
--- /dev/null
+++ b/releasenotes/notes/simplify-enabled_notification_handlers-b223e3e445ee02ec.yaml
@@ -0,0 +1,7 @@
+---
+deprecations:
+  - |
+    Support for false value for
+    the ``designate::sink::enabled_notification_handlers`` parameter has been
+    deprecated and will be removed in a future release.
+    Use ``$::os_service_default`` instead.
diff --git a/spec/classes/designate_sink_spec.rb b/spec/classes/designate_sink_spec.rb
index 94ffc1f6..7d18f039 100644
--- a/spec/classes/designate_sink_spec.rb
+++ b/spec/classes/designate_sink_spec.rb
@@ -29,7 +29,7 @@ describe 'designate::sink' do
       it 'configures designate.conf' do
         is_expected.to contain_designate_config('service:sink/workers').with_value('<SERVICE DEFAULT>')
         is_expected.to contain_designate_config('service:sink/threads').with_value('<SERVICE DEFAULT>')
-        is_expected.to contain_designate_config('service:sink/enabled_notification_handlers').with_ensure('absent')
+        is_expected.to contain_designate_config('service:sink/enabled_notification_handlers').with_value('<SERVICE DEFAULT>')
       end
     end