diff --git a/manifests/db.pp b/manifests/db.pp
index 1fa6c4f5..ed0dc111 100644
--- a/manifests/db.pp
+++ b/manifests/db.pp
@@ -53,11 +53,11 @@
 class designate::db (
   $database_db_max_retries          = $::os_service_default,
   $database_connection              = 'mysql://designate:designate@localhost/designate',
-  $database_max_pool_size           = 10,
+  $database_max_pool_size           = $::os_service_default,
   $database_connection_recycle_time = $::os_service_default,
-  $database_max_retries             = 10,
-  $database_retry_interval          = 10,
-  $database_max_overflow            = 20,
+  $database_max_retries             = $::os_service_default,
+  $database_retry_interval          = $::os_service_default,
+  $database_max_overflow            = $::os_service_default,
   $database_pool_timeout            = $::os_service_default,
   $mysql_enable_ndb                 = $::os_service_default,
   $sync_db                          = true,
diff --git a/spec/classes/designate_db_spec.rb b/spec/classes/designate_db_spec.rb
index 89403ba0..f8a2c304 100644
--- a/spec/classes/designate_db_spec.rb
+++ b/spec/classes/designate_db_spec.rb
@@ -10,10 +10,10 @@ describe 'designate::db' do
         :db_max_retries          => '<SERVICE DEFAULT>',
         :connection              => 'mysql://designate:designate@localhost/designate',
         :connection_recycle_time => '<SERVICE DEFAULT>',
-        :max_pool_size           => 10,
-        :max_retries             => 10,
-        :retry_interval          => 10,
-        :max_overflow            => 20,
+        :max_pool_size           => '<SERVICE DEFAULT>',
+        :max_retries             => '<SERVICE DEFAULT>',
+        :retry_interval          => '<SERVICE DEFAULT>',
+        :max_overflow            => '<SERVICE DEFAULT>',
         :pool_timeout            => '<SERVICE DEFAULT>',
         :mysql_enable_ndb        => '<SERVICE DEFAULT>',
       )}