diff --git a/manifests/agents/ml2/networking_baremetal.pp b/manifests/agents/ml2/networking_baremetal.pp
index 711494203..f3b901c7d 100644
--- a/manifests/agents/ml2/networking_baremetal.pp
+++ b/manifests/agents/ml2/networking_baremetal.pp
@@ -121,9 +121,6 @@ class neutron::agents::ml2::networking_baremetal (
   $retry_interval      = $::os_service_default,
   $max_retries         = $::os_service_default,
   $purge_config        = false,
-  # DEPRECATED PARAMETERS
-  $project_domain_id   = undef,
-  $user_domain_id      = undef,
 ) {
 
   include neutron::deps
@@ -157,22 +154,6 @@ class neutron::agents::ml2::networking_baremetal (
     'ironic/max_retries':         value => $max_retries;
   }
 
-  if $project_domain_id != undef {
-    warning('project_domain_id is deprecated and will be removed in a future release. \
-Use project_domain_name instead')
-    ironic_neutron_agent_config {
-      'ironic/project_domain_id': value => $project_domain_id;
-    }
-  }
-
-  if $user_domain_id != undef {
-    warning('user_domain_id is deprecated and will be removed in a future release. \
-Use user_domain_name instead')
-    ironic_neutron_agent_config {
-      'ironic/user_domain_id': value => $user_domain_id;
-    }
-  }
-
   package { 'python-ironic-neutron-agent':
     ensure => $package_ensure,
     name   => $::neutron::params::networking_baremetal_agent_package,
diff --git a/manifests/server/placement.pp b/manifests/server/placement.pp
index c0be773dc..0fbd51308 100644
--- a/manifests/server/placement.pp
+++ b/manifests/server/placement.pp
@@ -56,16 +56,6 @@
 #   the keystone catalog.
 #   Defaults to $::os_service_default
 #
-# DEPRECATED PARAMETERS
-#
-# [*project_domain_id*]
-#   (optional) Nova project's domain ID
-#   Defaults to undef
-#
-# [*user_domain_id*]
-#   (optional) User's domain ID for connection to nova in admin context
-#   Defaults to undef
-#
 class neutron::server::placement (
   $password,
   $auth_type           = 'password',
@@ -76,9 +66,6 @@ class neutron::server::placement (
   $auth_url            = 'http://127.0.0.1:5000',
   $region_name         = $::os_service_default,
   $endpoint_type       = $::os_service_default,
-  # DEPRECATED PARAMETERS
-  $project_domain_id   = undef,
-  $user_domain_id      = undef,
 ) {
 
   include neutron::deps
@@ -94,20 +81,4 @@ class neutron::server::placement (
     'placement/endpoint_type':       value => $endpoint_type;
     'placement/auth_type':           value => $auth_type;
   }
-
-  if $project_domain_id != undef {
-    warning('project_domain_id is deprecated and will be removed in a future release. \
-Use project_domain_name instead')
-    neutron_config {
-      'placement/project_domain_id': value => $project_domain_id;
-    }
-  }
-
-  if $user_domain_id != undef {
-    warning('user_domain_id is deprecated and will be removed in a future release. \
-Use user_domain_name instead')
-    neutron_config {
-      'placement/user_domain_id': value => $user_domain_id;
-    }
-  }
 }
diff --git a/releasenotes/notes/remove-deprecated-domain_id-0e2553556573da61.yaml b/releasenotes/notes/remove-deprecated-domain_id-0e2553556573da61.yaml
new file mode 100644
index 000000000..8af9e08c1
--- /dev/null
+++ b/releasenotes/notes/remove-deprecated-domain_id-0e2553556573da61.yaml
@@ -0,0 +1,10 @@
+---
+upgrade:
+  - |
+    The following deprecated parameters have been removed.
+
+    - ``neutron::ml2::server::placement::project_domain_id``
+    - ``neutron::ml2::server::placement::user_domain_id``
+    - ``neutron::ml2::networking_baremetal::project_domain_id``
+    - ``neutron::ml2::networking_baremetal::user_domain_id``
+
diff --git a/spec/classes/neutron_server_placement_spec.rb b/spec/classes/neutron_server_placement_spec.rb
index 7d7cd4e42..bd11e71ee 100644
--- a/spec/classes/neutron_server_placement_spec.rb
+++ b/spec/classes/neutron_server_placement_spec.rb
@@ -36,9 +36,7 @@ describe 'neutron::server::placement' do
       should contain_neutron_config('placement/password').with_value('secrete')
       should contain_neutron_config('placement/password').with_secret( true )
       should contain_neutron_config('placement/region_name').with_value('<SERVICE DEFAULT>')
-      should_not contain_neutron_config('placement/project_domain_id')
       should contain_neutron_config('placement/project_domain_name').with_value('Default')
-      should_not contain_neutron_config('placement/user_domain_id')
       should contain_neutron_config('placement/user_domain_name').with_value('Default')
       should contain_neutron_config('placement/endpoint_type').with_value('<SERVICE DEFAULT>')
     end
@@ -50,9 +48,7 @@ describe 'neutron::server::placement' do
           :auth_type           => 'password',
           :username            => 'joe',
           :region_name         => 'MyRegion',
-          :project_domain_id   => 'default_1',
           :project_domain_name => 'Default_2',
-          :user_domain_id      => 'default_3',
           :user_domain_name    => 'Default_4',
           :endpoint_type       => 'internal'
         )
@@ -65,9 +61,7 @@ describe 'neutron::server::placement' do
         should contain_neutron_config('placement/password').with_value('secrete')
         should contain_neutron_config('placement/password').with_secret( true )
         should contain_neutron_config('placement/region_name').with_value('MyRegion')
-        should contain_neutron_config('placement/project_domain_id').with_value('default_1')
         should contain_neutron_config('placement/project_domain_name').with_value('Default_2')
-        should contain_neutron_config('placement/user_domain_id').with_value('default_3')
         should contain_neutron_config('placement/user_domain_name').with_value('Default_4')
         should contain_neutron_config('placement/endpoint_type').with_value('internal')
       end