diff --git a/application/cmdbabstract.class.inc.php b/application/cmdbabstract.class.inc.php
index 3c8d9e2bec..6daccf162b 100644
--- a/application/cmdbabstract.class.inc.php
+++ b/application/cmdbabstract.class.inc.php
@@ -4568,6 +4568,9 @@ HTML;
 		InlineImage::FinalizeInlineImages($this);
 	}
 
+	/**
+	 * @deprecated 3.1.1 3.2.0 N°6966 We will have only one DBClone method in the future
+	 */
 	protected function DBCloneTracked_Internal($newKey = null)
 	{
         /** @var cmdbAbstractObject $oNewObj */
@@ -4656,7 +4659,10 @@ HTML;
 		return $oDeletionPlan;
 	}
 
-		protected function DBDeleteTracked_Internal(&$oDeletionPlan = null)
+	/**
+	 * @deprecated 3.1.1 3.2.0 N°6967 We will have only one DBDelete method in the future
+	 */
+	protected function DBDeleteTracked_Internal(&$oDeletionPlan = null)
 	{
 		// Invoke extensions before the deletion (the deletion will do some cleanup and we might loose some information
 		/** @var \iApplicationObjectExtension $oExtensionInstance */
diff --git a/core/cmdbobject.class.inc.php b/core/cmdbobject.class.inc.php
index 99f5e1184d..b9df6d05f3 100644
--- a/core/cmdbobject.class.inc.php
+++ b/core/cmdbobject.class.inc.php
@@ -438,7 +438,8 @@ abstract class CMDBObject extends DBObject
 	}
 
 	/**
-	 * @deprecated 3.1.0 N°5232 not used
+	 * @deprecated 3.1.0 N°5232 N°6966 simply use {@see DBObject::DBClone()} instead, that will automatically create and persist a CMDBChange object.
+	 *     If you need to persist your own, call {@see CMDBObject::SetCurrentChange()} before.
 	 */
 	public function DBCloneTracked(CMDBChange $oChange, $newKey = null)
 	{
@@ -446,6 +447,9 @@ abstract class CMDBObject extends DBObject
 		$this->DBCloneTracked_Internal($newKey);
 	}
 
+	/**
+	 * @deprecated 3.1.1 3.2.0 N°6966 We will have only one DBClone method in the future
+	 */
 	protected function DBCloneTracked_Internal($newKey = null)
 	{
 		$newKey = parent::DBClone($newKey);
@@ -476,17 +480,7 @@ abstract class CMDBObject extends DBObject
 	}
 
 	/**
-	 * @param null $oDeletionPlan
-	 *
-	 * @return \DeletionPlan|null
-	 * @throws \ArchivedObjectException
-	 * @throws \CoreCannotSaveObjectException
-	 * @throws \CoreException
-	 * @throws \CoreUnexpectedValue
-	 * @throws \DeleteException
-	 * @throws \MySQLException
-	 * @throws \MySQLHasGoneAwayException
-	 * @throws \OQLException
+	 * @deprecated 3.1.1 3.2.0 N°6967 We will have only one DBDelete method in the future
 	 */
 	protected function DBDeleteTracked_Internal(&$oDeletionPlan = null)
 	{