Enable root user delegate
diff --git a/rackspace/db/v1/instances/delegate.go b/rackspace/db/v1/instances/delegate.go
index 33e69cf..47f7fb2 100644
--- a/rackspace/db/v1/instances/delegate.go
+++ b/rackspace/db/v1/instances/delegate.go
@@ -108,3 +108,7 @@
 func Delete(client *gophercloud.ServiceClient, id string) os.DeleteResult {
 	return os.Delete(client, id)
 }
+
+func EnableRootUser(client *gophercloud.ServiceClient, id string) os.UserRootResult {
+	return os.EnableRootUser(client, id)
+}