diff --git a/manifests/db.pp b/manifests/db.pp
index 7c8a3d0..d75e30b 100644
--- a/manifests/db.pp
+++ b/manifests/db.pp
@@ -63,9 +63,6 @@ class cloudkitty::db (
     warning('The database_min_pool_size parameter is deprecated, and will be removed in a future release.')
   }
 
-  validate_legacy(Oslo::Dbconn, 'validate_re', $database_connection,
-    ['^(sqlite|mysql(\+pymysql)?|postgresql):\/\/(\S+:\S+@\S+\/\S+)?'])
-
   oslo::db { 'cloudkitty_config':
     connection              => $database_connection,
     connection_recycle_time => $database_connection_recycle_time,