diff --git a/core/cmdbobject.class.inc.php b/core/cmdbobject.class.inc.php
index e53cd8659..4a53aa034 100644
--- a/core/cmdbobject.class.inc.php
+++ b/core/cmdbobject.class.inc.php
@@ -614,7 +614,9 @@ abstract class CMDBObject extends DBObject
 	{
 		return $this->DBCloneTracked_Internal();
 	}
-
+/*
+ * @deprecated 3.1.0 not used
+*/
 	public function DBCloneTracked(CMDBChange $oChange, $newKey = null)
 	{
 		self::SetCurrentChange($oChange);