diff --git a/server/db/mysql/adapter.go b/server/db/mysql/adapter.go
index bd8b564..4c36b2d 100644
--- a/server/db/mysql/adapter.go
+++ b/server/db/mysql/adapter.go
@@ -421,9 +421,6 @@ func (a *adapter) TenantAdapterFor(tenantID t.TenantID) (dbadapter.TenantBusines
 	}
 	dbName := strings.TrimSpace(tenant.DBName)
 	dsn := strings.TrimSpace(tenant.DBDSN)
-	if dbName == "" && dsn == "" {
-		return a, a, nil
-	}
 	if a.baseConfig == nil {
 		return nil, nil, t.ErrFailed
 	}