diff --git a/manifests/client.pp b/manifests/client.pp
index b805749..fd854f1 100644
--- a/manifests/client.pp
+++ b/manifests/client.pp
@@ -1,27 +1,25 @@
 # Install client cli tool. See README.md for more details.
 class postgresql::client (
-  $file_ensure    = 'file',
-  $validcon_script_path  = $postgresql::params::validcon_script_path,
-  $package_name   = $postgresql::params::client_package_name,
-  $package_ensure = 'present'
+  $file_ensure                               = 'file',
+  Stdlib::Absolutepath $validcon_script_path = $postgresql::params::validcon_script_path,
+  String $package_name                       = $postgresql::params::client_package_name,
+  $package_ensure                            = 'present'
 ) inherits postgresql::params {
-  validate_absolute_path($validcon_script_path)
-  validate_string($package_name)
 
   if $package_name != 'UNSET' {
     package { 'postgresql-client':
       ensure => $package_ensure,
       name   => $package_name,
       tag    => 'postgresql',
     }
   }
 
   file { $validcon_script_path:
     ensure => $file_ensure,
     source => 'puppet:///modules/postgresql/validate_postgresql_connection.sh',
     owner  => 0,
     group  => 0,
     mode   => '0755',
   }
 
 }