diff --git a/manifests/api.pp b/manifests/api.pp
index 141b8eb..18b1241 100644
--- a/manifests/api.pp
+++ b/manifests/api.pp
@@ -71,15 +71,15 @@
 #
 class magnum::api(
   $package_ensure               = 'present',
-  $enabled                      = true,
-  $manage_service               = true,
+  Boolean $enabled              = true,
+  Boolean $manage_service       = true,
   $service_name                 = $::magnum::params::api_service,
   $port                         = '9511',
   $host                         = '127.0.0.1',
   $max_limit                    = '1000',
-  $sync_db                      = true,
+  Boolean $sync_db              = true,
   $auth_strategy                = 'keystone',
-  $enabled_ssl                  = false,
+  Boolean $enabled_ssl          = false,
   $ssl_cert_file                = $facts['os_service_default'],
   $ssl_key_file                 = $facts['os_service_default'],
   $workers                      = $facts['os_workers'],
@@ -90,11 +90,6 @@ class magnum::api(
   include magnum::params
   include magnum::policy
 
-  validate_legacy(Boolean, 'validate_bool', $manage_service)
-  validate_legacy(Boolean, 'validate_bool', $enabled)
-  validate_legacy(Boolean, 'validate_bool', $sync_db)
-  validate_legacy(Boolean, 'validate_bool', $enabled_ssl)
-
   if $enabled_ssl {
     if is_service_default($ssl_cert_file) {
       fail('The ssl_cert_file parameter is required when enabled_ssl is true')
diff --git a/manifests/conductor.pp b/manifests/conductor.pp
index 457ac57..76f6738 100644
--- a/manifests/conductor.pp
+++ b/manifests/conductor.pp
@@ -30,8 +30,8 @@
 #   Defaults to $facts['os_workers']
 #
 class magnum::conductor(
-  $enabled                      = true,
-  $manage_service               = true,
+  Boolean $enabled              = true,
+  Boolean $manage_service       = true,
   $package_ensure               = 'present',
   $conductor_life_check_timeout = $facts['os_service_default'],
   $auth_strategy                = 'keystone',
@@ -42,9 +42,6 @@ class magnum::conductor(
   include magnum::deps
   include magnum::params
 
-  validate_legacy(Boolean, 'validate_bool', $manage_service)
-  validate_legacy(Boolean, 'validate_bool', $enabled)
-
   # Install package
   package { 'magnum-conductor':
     ensure => $package_ensure,
diff --git a/manifests/config.pp b/manifests/config.pp
index 88c8bda..44c18a2 100644
--- a/manifests/config.pp
+++ b/manifests/config.pp
@@ -24,15 +24,12 @@
 #   or Puppet catalog compilation will fail with duplicate resources.
 #
 class magnum::config (
-  $magnum_config        = {},
-  $magnum_api_paste_ini = {},
+  Hash $magnum_config        = {},
+  Hash $magnum_api_paste_ini = {},
 ) {
 
   include magnum::deps
 
-  validate_legacy(Hash, 'validate_hash', $magnum_config)
-  validate_legacy(Hash, 'validate_hash', $magnum_api_paste_ini)
-
   create_resources('magnum_config', $magnum_config)
   create_resources('magnum_api_paste_ini', $magnum_api_paste_ini)
 }
diff --git a/manifests/db/mysql.pp b/manifests/db/mysql.pp
index 5140ec5..4b8d1ab 100644
--- a/manifests/db/mysql.pp
+++ b/manifests/db/mysql.pp
@@ -34,7 +34,7 @@
 #   Defaults to 'utf8_general_ci'
 #
 class magnum::db::mysql(
-  $password,
+  String[1] $password,
   $dbname        = 'magnum',
   $user          = 'magnum',
   $host          = '127.0.0.1',
@@ -45,8 +45,6 @@ class magnum::db::mysql(
 
   include magnum::deps
 
-  validate_legacy(String, 'validate_string', $password)
-
   ::openstacklib::db::mysql { 'magnum':
     user          => $user,
     password      => $password,
diff --git a/manifests/policy.pp b/manifests/policy.pp
index a07f81e..b20093e 100644
--- a/manifests/policy.pp
+++ b/manifests/policy.pp
@@ -48,7 +48,7 @@
 class magnum::policy (
   $enforce_scope        = $facts['os_service_default'],
   $enforce_new_defaults = $facts['os_service_default'],
-  $policies             = {},
+  Hash $policies        = {},
   $policy_path          = '/etc/magnum/policy.yaml',
   $policy_default_rule  = $facts['os_service_default'],
   $policy_dirs          = $facts['os_service_default'],
@@ -58,8 +58,6 @@ class magnum::policy (
   include magnum::deps
   include magnum::params
 
-  validate_legacy(Hash, 'validate_hash', $policies)
-
   $policy_parameters = {
     policies     => $policies,
     policy_path  => $policy_path,