diff --git a/examples/neutron.pp b/examples/neutron.pp
index 925187743..1b90a8ce6 100644
--- a/examples/neutron.pp
+++ b/examples/neutron.pp
@@ -3,7 +3,6 @@
 # General Neutron stuff
 # Configures everything in neutron.conf
 class { 'neutron':
-  allow_overlapping_ips => true,
   default_transport_url => 'rabbit://guest:password@localhost:5672/neutron',
   service_plugins       => ['metering']
 }
@@ -46,7 +45,6 @@ class { 'neutron::plugins::ml2':
 # Generally, any machine with a neutron element running on it talks
 # over Rabbit and needs to know if overlapping IPs (namespaces) are in use
 class { 'neutron':
-  allow_overlapping_ips => true,
   default_transport_url => 'rabbit://guest:password@localhost:5672/neutron',
 }
 
diff --git a/examples/neutron_l3_with_to_uuid.pp b/examples/neutron_l3_with_to_uuid.pp
index 41a20492c..4be088c66 100644
--- a/examples/neutron_l3_with_to_uuid.pp
+++ b/examples/neutron_l3_with_to_uuid.pp
@@ -7,7 +7,6 @@
 #
 
 class { 'neutron':
-  allow_overlapping_ips => true,
   default_transport_url => 'rabbit://guest:password@localhost:5672/neutron',
   service_plugins       => ['router']
 }
diff --git a/examples/neutron_with_pacemaker.pp b/examples/neutron_with_pacemaker.pp
index 71d8672f7..e3b7c9df4 100644
--- a/examples/neutron_with_pacemaker.pp
+++ b/examples/neutron_with_pacemaker.pp
@@ -23,8 +23,7 @@
 # sudo pcs constraint colocation add neutron_server_service with neutron_vip
 
 class { 'neutron':
-  allow_overlapping_ips => true,
-  service_plugins       => [ 'dhcp', 'l3' ]
+  service_plugins => [ 'dhcp', 'l3' ]
 }
 
 class { 'neutron::server':
diff --git a/examples/neutron_wsgi.pp b/examples/neutron_wsgi.pp
index 6f8885335..cee00c24e 100644
--- a/examples/neutron_wsgi.pp
+++ b/examples/neutron_wsgi.pp
@@ -1,6 +1,5 @@
 # Example of manifest to deploy Neutron API in WSGI with Apache
 class { 'neutron':
-  allow_overlapping_ips => true,
   default_transport_url => 'rabbit://guest:password@localhost:5672/neutron',
 }
 
diff --git a/manifests/init.pp b/manifests/init.pp
index 7712d9764..7e425a657 100644
--- a/manifests/init.pp
+++ b/manifests/init.pp
@@ -309,12 +309,6 @@
 #   (optional) Allow plugins that support it to create VLAN transparent networks
 #   Defaults to $::os_service_default
 #
-# DEPRECATED PARAMETERS
-#
-# [*allow_overlapping_ips*]
-#   (optional) Enables network namespaces
-#   Defaults to undef
-#
 class neutron (
   $enabled                              = true,
   $package_ensure                       = 'present',
@@ -381,19 +375,11 @@ class neutron (
   $notification_transport_url           = $::os_service_default,
   $max_allowed_address_pair             = $::os_service_default,
   $vlan_transparent                     = $::os_service_default,
-  # DEPRECATED PARAMETERS
-  $allow_overlapping_ips                = undef,
 ) {
 
   include neutron::deps
   include neutron::params
 
-  if $allow_overlapping_ips != undef {
-    warning('The allow_overlapping_ips parameter is deprecated and \
-will be removed in a future release.')
-  }
-  $allow_overlapping_ips_real = pick($allow_overlapping_ips, $::os_service_default)
-
   if ! is_service_default($use_ssl) and ($use_ssl) {
     if is_service_default($cert_file) {
       fail('The cert_file parameter is required when use_ssl is set to true')
@@ -431,7 +417,6 @@ will be removed in a future release.')
     'DEFAULT/dhcp_agents_per_network':  value => $dhcp_agents_per_network;
     'DEFAULT/dhcp_agent_notification':  value => $dhcp_agent_notification;
     'DEFAULT/allow_bulk':               value => $allow_bulk;
-    'DEFAULT/allow_overlapping_ips':    value => $allow_overlapping_ips_real;
     'DEFAULT/api_extensions_path':      value => $api_extensions_path;
     'DEFAULT/state_path':               value => $state_path;
     'DEFAULT/global_physnet_mtu':       value => $global_physnet_mtu;
diff --git a/releasenotes/notes/remove-allow_overlapping_ips-d3eecfb7ad9fd184.yaml b/releasenotes/notes/remove-allow_overlapping_ips-d3eecfb7ad9fd184.yaml
new file mode 100644
index 000000000..5e4e312b2
--- /dev/null
+++ b/releasenotes/notes/remove-allow_overlapping_ips-d3eecfb7ad9fd184.yaml
@@ -0,0 +1,4 @@
+---
+upgrade:
+  - |
+    The ``neutron::allow_overlapping_ips`` parameter has been removed.
diff --git a/spec/classes/neutron_init_spec.rb b/spec/classes/neutron_init_spec.rb
index b47d7f2aa..3feb8a80a 100644
--- a/spec/classes/neutron_init_spec.rb
+++ b/spec/classes/neutron_init_spec.rb
@@ -108,7 +108,6 @@ describe 'neutron' do
       should contain_neutron_config('DEFAULT/global_physnet_mtu').with_value('<SERVICE DEFAULT>')
       should contain_neutron_config('DEFAULT/dhcp_agent_notification').with_value('<SERVICE DEFAULT>')
       should contain_neutron_config('DEFAULT/allow_bulk').with_value('<SERVICE DEFAULT>')
-      should contain_neutron_config('DEFAULT/allow_overlapping_ips').with_value('<SERVICE DEFAULT>')
       should contain_neutron_config('DEFAULT/api_extensions_path').with_value('<SERVICE DEFAULT>')
       should contain_neutron_config('DEFAULT/control_exchange').with_value('<SERVICE DEFAULT>')
       should contain_neutron_config('DEFAULT/state_path').with_value('<SERVICE DEFAULT>')