diff --git a/manifests/agent.pp b/manifests/agent.pp
index 8024f567..51177544 100644
--- a/manifests/agent.pp
+++ b/manifests/agent.pp
@@ -38,21 +38,18 @@
 #  Defaults to $facts['os_service_default']
 #
 class designate::agent (
-  $package_ensure     = present,
-  $agent_package_name = $::designate::params::agent_package_name,
-  $enabled            = true,
-  $manage_service     = true,
-  $backend_driver     = 'bind9',
-  $workers            = $facts['os_workers'],
-  $threads            = $facts['os_service_default'],
-  $listen             = $facts['os_service_default'],
+  $package_ensure         = present,
+  $agent_package_name     = $::designate::params::agent_package_name,
+  Boolean $enabled        = true,
+  Boolean $manage_service = true,
+  $backend_driver         = 'bind9',
+  $workers                = $facts['os_workers'],
+  $threads                = $facts['os_service_default'],
+  $listen                 = $facts['os_service_default'],
 ) inherits designate::params {
 
   include designate::deps
 
-  validate_legacy(Boolean, 'validate_bool', $manage_service)
-  validate_legacy(Boolean, 'validate_bool', $enabled)
-
   warning('The agent framework has been deprecated.')
 
   designate_config {
diff --git a/manifests/api.pp b/manifests/api.pp
index 23e9eca1..6bfd5555 100644
--- a/manifests/api.pp
+++ b/manifests/api.pp
@@ -104,8 +104,8 @@
 class designate::api (
   $package_ensure               = present,
   $api_package_name             = $::designate::params::api_package_name,
-  $enabled                      = true,
-  $manage_service               = true,
+  Boolean $enabled              = true,
+  Boolean $manage_service       = true,
   $auth_strategy                = $facts['os_service_default'],
   $enable_api_v2                = $facts['os_service_default'],
   $enable_api_admin             = $facts['os_service_default'],
@@ -130,9 +130,6 @@ class designate::api (
   include designate::deps
   include designate::policy
 
-  validate_legacy(Boolean, 'validate_bool', $manage_service)
-  validate_legacy(Boolean, 'validate_bool', $enabled)
-
   # API Service
   designate_config {
     'service:api/listen'                    : value => $listen;
diff --git a/manifests/backend/agent.pp b/manifests/backend/agent.pp
index 4fff6c4c..892902d8 100644
--- a/manifests/backend/agent.pp
+++ b/manifests/backend/agent.pp
@@ -26,11 +26,11 @@
 #  Defaults to true
 #
 class designate::backend::agent (
-  $agent_hosts = ['127.0.0.1'],
-  $agent_port  = 5358,
-  $mdns_hosts  = ['127.0.0.1'],
-  $mdns_port   = 5354,
-  $manage_pool = true,
+  $agent_hosts         = ['127.0.0.1'],
+  $agent_port          = 5358,
+  $mdns_hosts          = ['127.0.0.1'],
+  $mdns_port           = 5354,
+  Boolean $manage_pool = true,
 ) {
 
   include designate::deps
@@ -38,8 +38,6 @@ class designate::backend::agent (
 
   warning('The agent framework has been deprecated.')
 
-  validate_legacy(Boolean, 'validate_bool', $manage_pool)
-
   if $manage_pool {
     file { '/etc/designate/pools.yaml':
       ensure  => present,
diff --git a/manifests/backend/bind9.pp b/manifests/backend/bind9.pp
index 69996b83..2bd4dfb8 100644
--- a/manifests/backend/bind9.pp
+++ b/manifests/backend/bind9.pp
@@ -55,30 +55,23 @@
 #  Defaults to true
 #
 class designate::backend::bind9 (
-  $rndc_config_file = '/etc/rndc.conf',
-  $rndc_key_file    = '/etc/rndc.key',
-  $rndc_controls    = undef,
-  $rndc_port        = 953,
-  $ns_records       = {1 => 'ns1.example.org.'},
-  $nameservers      = ['127.0.0.1'],
-  $bind9_hosts      = ['127.0.0.1'],
-  $dns_port         = 53,
-  $mdns_hosts       = ['127.0.0.1'],
-  $mdns_port        = 5354,
-  $configure_bind   = true,
-  $manage_pool      = true,
+  $rndc_config_file                 = '/etc/rndc.conf',
+  $rndc_key_file                    = '/etc/rndc.key',
+  $rndc_controls                    = undef,
+  $rndc_port                        = 953,
+  Hash[Integer, String] $ns_records = {1 => 'ns1.example.org.'},
+  Array[String[1]] $nameservers     = ['127.0.0.1'],
+  Array[String[1]] $bind9_hosts     = ['127.0.0.1'],
+  $dns_port                         = 53,
+  Array[String[1]] $mdns_hosts      = ['127.0.0.1'],
+  $mdns_port                        = 5354,
+  Boolean $configure_bind           = true,
+  Boolean $manage_pool              = true,
 ) {
 
   include designate::deps
   include designate::params
 
-  validate_legacy(Hash, 'validate_hash', $ns_records)
-  validate_legacy(Array, 'validate_array', $nameservers)
-  validate_legacy(Array, 'validate_array', $bind9_hosts)
-  validate_legacy(Array, 'validate_array', $mdns_hosts)
-  validate_legacy(Boolean, 'validate_bool', $configure_bind)
-  validate_legacy(Boolean, 'validate_bool', $manage_pool)
-
   if $configure_bind {
     if $rndc_controls {
       class { 'dns':
diff --git a/manifests/backend/pdns4.pp b/manifests/backend/pdns4.pp
index 3e94ac36..07b3728b 100644
--- a/manifests/backend/pdns4.pp
+++ b/manifests/backend/pdns4.pp
@@ -38,20 +38,18 @@
 #
 class designate::backend::pdns4 (
   $api_token,
-  $pdns4_hosts  = ['127.0.0.1'],
-  $pdns4_port   = 53,
-  $mdns_hosts   = ['127.0.0.1'],
-  $mdns_port    = 5354,
-  $api_endpoint = 'http://127.0.0.1:8081',
-  $tsigkey_name = undef,
-  $manage_pool  = true,
+  $pdns4_hosts          = ['127.0.0.1'],
+  $pdns4_port           = 53,
+  $mdns_hosts           = ['127.0.0.1'],
+  $mdns_port            = 5354,
+  $api_endpoint         = 'http://127.0.0.1:8081',
+  $tsigkey_name         = undef,
+  Boolean $manage_pool  = true,
 ) {
 
   include designate::deps
   include designate::params
 
-  validate_legacy(Boolean, 'validate_bool', $manage_pool)
-
   if $manage_pool {
     file { '/etc/designate/pools.yaml':
       ensure  => present,
diff --git a/manifests/central.pp b/manifests/central.pp
index bbccae74..b7dd5f6a 100644
--- a/manifests/central.pp
+++ b/manifests/central.pp
@@ -60,8 +60,8 @@
 class designate::central (
   $package_ensure             = present,
   $central_package_name       = $::designate::params::central_package_name,
-  $enabled                    = true,
-  $manage_service             = true,
+  Boolean $enabled            = true,
+  Boolean $manage_service     = true,
   $managed_resource_email     = 'hostmaster@example.com',
   $managed_resource_tenant_id = $facts['os_service_default'],
   $max_zone_name_len          = $facts['os_service_default'],
@@ -76,9 +76,6 @@ class designate::central (
   include designate::deps
   include designate::db
 
-  validate_legacy(Boolean, 'validate_bool', $manage_service)
-  validate_legacy(Boolean, 'validate_bool', $enabled)
-
   designate_config {
     'service:central/managed_resource_email'     : value => $managed_resource_email;
     'service:central/managed_resource_tenant_id' : value => $managed_resource_tenant_id;
diff --git a/manifests/config.pp b/manifests/config.pp
index e2343b37..9d210d07 100644
--- a/manifests/config.pp
+++ b/manifests/config.pp
@@ -31,17 +31,13 @@
 #   (optional) Allow configuration of /etc/designate/rootwrap.conf.
 #
 class designate::config (
-  $designate_config     = {},
-  $api_paste_ini_config = {},
-  $rootwrap_config      = {},
+  Hash $designate_config     = {},
+  Hash $api_paste_ini_config = {},
+  Hash $rootwrap_config      = {},
 ) {
 
   include designate::deps
 
-  validate_legacy(Hash, 'validate_hash', $designate_config)
-  validate_legacy(Hash, 'validate_hash', $api_paste_ini_config)
-  validate_legacy(Hash, 'validate_hash', $rootwrap_config)
-
   create_resources('designate_config', $designate_config)
   create_resources('designate_api_paste_ini', $api_paste_ini_config)
   create_resources('designate_rootwrap_config', $rootwrap_config)
diff --git a/manifests/db.pp b/manifests/db.pp
index 8301b1c7..f9629a94 100644
--- a/manifests/db.pp
+++ b/manifests/db.pp
@@ -60,11 +60,10 @@ class designate::db (
   $database_max_overflow            = $facts['os_service_default'],
   $database_pool_timeout            = $facts['os_service_default'],
   $mysql_enable_ndb                 = $facts['os_service_default'],
-  $sync_db                          = true,
+  Boolean $sync_db                  = true,
 ) {
 
   include designate::deps
-  validate_legacy(Boolean, 'validate_bool', $sync_db)
 
   oslo::db { 'designate_config':
     config_group            => 'storage:sqlalchemy',
diff --git a/manifests/generic_service.pp b/manifests/generic_service.pp
index 28f5b4a1..904bebfb 100644
--- a/manifests/generic_service.pp
+++ b/manifests/generic_service.pp
@@ -34,17 +34,14 @@
 define designate::generic_service(
   $package_name,
   $service_name,
-  $enabled        = false,
-  $manage_service = true,
-  $package_ensure = 'present',
+  Boolean $enabled        = false,
+  Boolean $manage_service = true,
+  $package_ensure         = 'present',
 ) {
 
   include designate::deps
   include designate::params
 
-  validate_legacy(Boolean, 'validate_bool', $manage_service)
-  validate_legacy(Boolean, 'validate_bool', $enabled)
-
   $designate_title = "designate-${name}"
 
   if ($package_name) {
diff --git a/manifests/mdns.pp b/manifests/mdns.pp
index cac40050..52cf8ed3 100644
--- a/manifests/mdns.pp
+++ b/manifests/mdns.pp
@@ -65,29 +65,26 @@
 #   Defaults to $facts['os_service_default'].
 #
 class designate::mdns (
-  $package_ensure     = present,
-  $mdns_package_name  = $::designate::params::mdns_package_name,
-  $enabled            = true,
-  $manage_service     = true,
-  $workers            = $facts['os_workers'],
-  $threads            = $facts['os_service_default'],
-  $tcp_backlog        = $facts['os_service_default'],
-  $tcp_recv_timeout   = $facts['os_service_default'],
-  $all_tcp            = $facts['os_service_default'],
-  $query_enforce_tsig = $facts['os_service_default'],
-  $storage_driver     = $facts['os_service_default'],
-  $max_message_size   = $facts['os_service_default'],
-  $listen             = $facts['os_service_default'],
-  $topic              = $facts['os_service_default'],
-  $xfr_timeout        = $facts['os_service_default'],
+  $package_ensure         = present,
+  $mdns_package_name      = $::designate::params::mdns_package_name,
+  Boolean $enabled        = true,
+  Boolean $manage_service = true,
+  $workers                = $facts['os_workers'],
+  $threads                = $facts['os_service_default'],
+  $tcp_backlog            = $facts['os_service_default'],
+  $tcp_recv_timeout       = $facts['os_service_default'],
+  $all_tcp                = $facts['os_service_default'],
+  $query_enforce_tsig     = $facts['os_service_default'],
+  $storage_driver         = $facts['os_service_default'],
+  $max_message_size       = $facts['os_service_default'],
+  $listen                 = $facts['os_service_default'],
+  $topic                  = $facts['os_service_default'],
+  $xfr_timeout            = $facts['os_service_default'],
 ) inherits designate::params {
 
   include designate::deps
   include designate::db
 
-  validate_legacy(Boolean, 'validate_bool', $manage_service)
-  validate_legacy(Boolean, 'validate_bool', $enabled)
-
   designate_config {
     'service:mdns/workers'            : value => $workers;
     'service:mdns/threads'            : value => $threads;
diff --git a/manifests/policy.pp b/manifests/policy.pp
index 530c818d..27a471f8 100644
--- a/manifests/policy.pp
+++ b/manifests/policy.pp
@@ -48,7 +48,7 @@
 class designate::policy (
   $enforce_scope        = $facts['os_service_default'],
   $enforce_new_defaults = $facts['os_service_default'],
-  $policies             = {},
+  Hash $policies        = {},
   $policy_path          = '/etc/designate/policy.yaml',
   $policy_default_rule  = $facts['os_service_default'],
   $policy_dirs          = $facts['os_service_default'],
@@ -58,8 +58,6 @@ class designate::policy (
   include designate::deps
   include designate::params
 
-  validate_legacy(Hash, 'validate_hash', $policies)
-
   $policy_parameters = {
     policies     => $policies,
     policy_path  => $policy_path,
diff --git a/manifests/pool.pp b/manifests/pool.pp
index e7e8b879..ec3110e7 100644
--- a/manifests/pool.pp
+++ b/manifests/pool.pp
@@ -5,32 +5,25 @@
 # === Parameters
 #
 # [*nameservers*]
-#  An array of UUID's of the nameservers in this pool
+#  (required) An array of UUID's of the nameservers in this pool
 #
 # [*targets*]
-#  An array of UUID's of the targets in this pool
+#  (required) An array of UUID's of the targets in this pool
 #
 # [*also_notifies*]
 #  (optional) List of hostnames and port numbers to also notify on zone changes.
+#  Defaults to []
 #
 define designate::pool(
-  $nameservers,
-  $targets,
-  $also_notifies = [],
+  Array[String[1]] $nameservers,
+  Array[String[1]] $targets,
+  Array[String[1]] $also_notifies = [],
 ){
 
   warning('Support for pool-manager was deprecated.')
 
   include designate::deps
 
-  validate_legacy(Pattern[/[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}/],
-    'validate_re', $name, ['[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}',
-    'Pool name should be a UUID.'])
-
-  validate_legacy(Array, 'validate_array', $nameservers)
-  validate_legacy(Array, 'validate_array', $targets)
-  validate_legacy(Array, 'validate_array', $also_notifies)
-
   designate_config {
     "pool:${name}/nameservers":   value => join($nameservers,',');
     "pool:${name}/targets":       value => join($targets,',');
diff --git a/manifests/pool_nameserver.pp b/manifests/pool_nameserver.pp
index 0922d6d4..a4c53def 100644
--- a/manifests/pool_nameserver.pp
+++ b/manifests/pool_nameserver.pp
@@ -3,10 +3,12 @@
 # === Parameters
 #
 # [*port*]
-#  Port number of the DNS server.
+#  (optional) Port number of the DNS server.
+#  Defaults to 53.
 #
 # [*host*]
-#  IP address or hostname of the DNS server.
+#  (optional) IP address or hostname of the DNS server.
+#  Defaults to '127.0.0.1'
 #
 define designate::pool_nameserver(
   $port = 53,
@@ -17,10 +19,6 @@ define designate::pool_nameserver(
 
   include designate::deps
 
-  validate_legacy(Pattern[/[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}/],
-    'validate_re', $name, ['[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}',
-    'Name should be a UUID.'])
-
   designate_config {
     "pool_nameserver:${name}/port": value => $port;
     "pool_nameserver:${name}/host": value => $host;
diff --git a/manifests/pool_target.pp b/manifests/pool_target.pp
index 8f52df2f..712957b4 100644
--- a/manifests/pool_target.pp
+++ b/manifests/pool_target.pp
@@ -5,8 +5,8 @@
 # == Parameters
 #
 # [*options*]
-#   Options to be passed to the backend DNS server. This should include host and
-#   port. For instance for a bind9 target this could be:
+#   (required) Options to be passed to the backend DNS server. This should
+#   include host and port. For instance for a bind9 target this could be:
 #     {'rndc_host'        => '192.168.27.100',
 #      'rndc_port'        => 953,
 #      'rndc_config_file' => '/etc/bind/rndc.conf',
@@ -15,7 +15,7 @@
 #      'host'             => '192.168.27.100'}
 #
 # [*type*]
-#   Port number of the target DNS server.
+#   (required) Port number of the target DNS server.
 #
 # [*masters*]
 #   (optional) IP addresses and ports of the master DNS server. This should point
@@ -23,20 +23,15 @@
 #   Defaults to ['127.0.0.1:5354']
 #
 define designate::pool_target (
-  $options,
+  Hash $options,
   $type,
-  $masters = ['127.0.0.1:5354'],
+  Array[String[1]] $masters = ['127.0.0.1:5354'],
 ) {
 
   warning('Support for pool-manager was deprecated.')
 
   include designate::deps
 
-  validate_legacy(Pattern[/[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}/],
-    'validate_re', $name, ['[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}'])
-  validate_legacy(Hash, 'validate_hash', $options)
-  validate_legacy(Array, 'validate_array', $masters)
-
   $options_real = join(join_keys_to_values($options,':'),',')
 
   designate_config {
diff --git a/manifests/producer.pp b/manifests/producer.pp
index 6b4c0f05..7e7b715d 100644
--- a/manifests/producer.pp
+++ b/manifests/producer.pp
@@ -33,20 +33,17 @@
 #  Defaults to $facts['os_service_default'].
 #
 class designate::producer (
-  $package_ensure = 'present',
-  $package_name   = $::designate::params::producer_package_name,
-  $enabled        = true,
-  $manage_service = true,
-  $workers        = $facts['os_workers'],
-  $threads        = $facts['os_service_default'],
-  $enabled_tasks  = $facts['os_service_default'],
+  $package_ensure         = 'present',
+  $package_name           = $::designate::params::producer_package_name,
+  Boolean $enabled        = true,
+  Boolean $manage_service = true,
+  $workers                = $facts['os_workers'],
+  $threads                = $facts['os_service_default'],
+  $enabled_tasks          = $facts['os_service_default'],
 ) inherits designate::params {
 
   include designate::deps
 
-  validate_legacy(Boolean, 'validate_bool', $manage_service)
-  validate_legacy(Boolean, 'validate_bool', $enabled)
-
   designate_config {
     'service:producer/workers'       : value => $workers;
     'service:producer/threads'       : value => $threads;
diff --git a/manifests/sink.pp b/manifests/sink.pp
index cff27ddf..870e9628 100644
--- a/manifests/sink.pp
+++ b/manifests/sink.pp
@@ -37,8 +37,8 @@
 class designate::sink (
   $package_ensure                = present,
   $sink_package_name             = $::designate::params::sink_package_name,
-  $enabled                       = true,
-  $manage_service                = true,
+  Boolean $enabled               = true,
+  Boolean $manage_service        = true,
   $workers                       = $facts['os_service_default'],
   $threads                       = $facts['os_service_default'],
   $enabled_notification_handlers = $facts['os_service_default'],
@@ -46,9 +46,6 @@ class designate::sink (
 
   include designate::deps
 
-  validate_legacy(Boolean, 'validate_bool', $manage_service)
-  validate_legacy(Boolean, 'validate_bool', $enabled)
-
   designate::generic_service { 'sink':
     enabled        => $enabled,
     manage_service => $manage_service,
diff --git a/manifests/worker.pp b/manifests/worker.pp
index 4720a358..378971bb 100644
--- a/manifests/worker.pp
+++ b/manifests/worker.pp
@@ -57,26 +57,23 @@
 #   Defaults to $facts['os_service_default']
 #
 class designate::worker(
-  $package_ensure       = present,
-  $worker_package_name  = $::designate::params::worker_package_name,
-  $enabled              = true,
-  $manage_service       = true,
-  $workers              = $facts['os_workers'],
-  $threads              = $facts['os_service_default'],
-  $threshold_percentage = $facts['os_service_default'],
-  $poll_timeout         = $facts['os_service_default'],
-  $poll_retry_interval  = $facts['os_service_default'],
-  $poll_max_retries     = $facts['os_service_default'],
-  $poll_delay           = $facts['os_service_default'],
-  $export_synchronous   = $facts['os_service_default'],
-  $topic                = $facts['os_service_default'],
+  $package_ensure         = present,
+  $worker_package_name    = $::designate::params::worker_package_name,
+  Boolean $enabled        = true,
+  Boolean $manage_service = true,
+  $workers                = $facts['os_workers'],
+  $threads                = $facts['os_service_default'],
+  $threshold_percentage   = $facts['os_service_default'],
+  $poll_timeout           = $facts['os_service_default'],
+  $poll_retry_interval    = $facts['os_service_default'],
+  $poll_max_retries       = $facts['os_service_default'],
+  $poll_delay             = $facts['os_service_default'],
+  $export_synchronous     = $facts['os_service_default'],
+  $topic                  = $facts['os_service_default'],
 ) inherits designate::params {
 
   include designate::deps
 
-  validate_legacy(Boolean, 'validate_bool', $manage_service)
-  validate_legacy(Boolean, 'validate_bool', $enabled)
-
   designate::generic_service { 'worker':
     package_ensure => $package_ensure,
     enabled        => $enabled,