diff --git a/manifests/db.pp b/manifests/db.pp
index dfd14dd..b89eea2 100644
--- a/manifests/db.pp
+++ b/manifests/db.pp
@@ -78,9 +78,6 @@ class mistral::db (
   $database_retry_interval_real          = pick($::mistral::database_retry_interval,$database_retry_interval)
   $database_max_overflow_real            = pick($::mistral::database_max_overflow,$database_max_overflow)
 
-  validate_legacy(Oslo::Dbconn, 'validate_re', $database_connection_real,
-    ['^(sqlite|mysql(\+pymysql)?|postgresql):\/\/(\S+:\S+@\S+\/\S+)?'])
-
   oslo::db { 'mistral_config':
     connection              => $database_connection_real,
     connection_recycle_time => $database_connection_recycle_time_real,