diff --git a/manifests/conductor.pp b/manifests/conductor.pp
index 6192b49a..7a2e25ba 100644
--- a/manifests/conductor.pp
+++ b/manifests/conductor.pp
@@ -29,7 +29,7 @@
 #
 # [*enabled_hardware_types*]
 #  (optional) Array of hardware types to load during service initialization.
-#  Defaults to ['ipmi'].
+#  Defaults to $::os_service_default
 #
 # [*force_power_state_during_sync*]
 #   (optional) Should the hardware power state be set to the state recorded in
@@ -217,7 +217,7 @@
 class ironic::conductor (
   $package_ensure                      = 'present',
   $enabled                             = true,
-  $enabled_hardware_types              = ['ipmi'],
+  $enabled_hardware_types              = $::os_service_default,
   $force_power_state_during_sync       = true,
   $http_url                            = $::os_service_default,
   $http_root                           = $::os_service_default,
diff --git a/releasenotes/notes/remove-default-hardware-types-override-f71919cbdc96b4f2.yaml b/releasenotes/notes/remove-default-hardware-types-override-f71919cbdc96b4f2.yaml
new file mode 100644
index 00000000..1c90586c
--- /dev/null
+++ b/releasenotes/notes/remove-default-hardware-types-override-f71919cbdc96b4f2.yaml
@@ -0,0 +1,7 @@
+---
+upgrade:
+  - |
+    An explict ironic ``enabled_hardware_types`` setting has been removed
+    from ``puppet-ironic`` as it matches the Ironic default and the default
+    override prohibits inclusion of additional default enabled hardware types
+    the OpenStack Ironic project may choose to ship in the future.
diff --git a/spec/classes/ironic_conductor_spec.rb b/spec/classes/ironic_conductor_spec.rb
index 3b2453ce..1aebb063 100644
--- a/spec/classes/ironic_conductor_spec.rb
+++ b/spec/classes/ironic_conductor_spec.rb
@@ -25,7 +25,6 @@ describe 'ironic::conductor' do
   let :default_params do
     { :package_ensure                => 'present',
       :enabled                       => true,
-      :enabled_hardware_types        => ['ipmi'],
       :force_power_state_during_sync => true }
   end
 
@@ -61,7 +60,7 @@ describe 'ironic::conductor' do
     end
 
     it 'configures ironic.conf' do
-      is_expected.to contain_ironic_config('DEFAULT/enabled_hardware_types').with_value('ipmi')
+      is_expected.to contain_ironic_config('DEFAULT/enabled_hardware_types').with_value('<SERVICE DEFAULT>')
       is_expected.to contain_ironic_config('conductor/force_power_state_during_sync').with_value(p[:force_power_state_during_sync])
       is_expected.to contain_ironic_config('conductor/automated_clean').with(:value => '<SERVICE DEFAULT>')
       is_expected.to contain_ironic_config('neutron/cleaning_network').with(:value => '<SERVICE DEFAULT>')