diff --git a/htdocs/categories/class/categorie.class.php b/htdocs/categories/class/categorie.class.php
index 0aee9cbfc81..9a449d63700 100644
--- a/htdocs/categories/class/categorie.class.php
+++ b/htdocs/categories/class/categorie.class.php
@@ -1947,23 +1947,6 @@ class Categorie extends CommonObject
 		return CommonObject::commonReplaceThirdparty($db, $origin_id, $dest_id, $tables, 1);
 	}
 
-	/**
-	 * Function used to replace a product id with another one.
-	 *
-	 * @param DoliDB $db Database handler
-	 * @param int $origin_id Old product id
-	 * @param int $dest_id New product id
-	 * @return bool
-	 */
-	public static function replaceProduct(DoliDB $db, $origin_id, $dest_id)
-	{
-		$tables = array(
-			'categorie_product'
-		);
-
-		return CommonObject::commonReplaceProduct($db, $origin_id, $dest_id, $tables);
-	}
-
 	/**
 	 * Return the addtional SQL JOIN query for filtering a list by a category
 	 *
diff --git a/htdocs/expedition/class/expedition.class.php b/htdocs/expedition/class/expedition.class.php
index 8218e1c6402..8ef7be75f52 100644
--- a/htdocs/expedition/class/expedition.class.php
+++ b/htdocs/expedition/class/expedition.class.php
@@ -2503,23 +2503,6 @@ class Expedition extends CommonObject
 
 		return CommonObject::commonReplaceThirdparty($db, $origin_id, $dest_id, $tables);
 	}
-
-	/**
-	 * Function used to replace a product id with another one.
-	 *
-	 * @param DoliDB $db Database handler
-	 * @param int $origin_id Old product id
-	 * @param int $dest_id New product id
-	 * @return bool
-	 */
-	public static function replaceProduct(DoliDB $db, $origin_id, $dest_id)
-	{
-		$tables = array(
-			'expeditiondet'
-		);
-
-		return CommonObject::commonReplaceProduct($db, $origin_id, $dest_id, $tables);
-	}
 }
 
 
diff --git a/htdocs/product/card.php b/htdocs/product/card.php
index 25503bdbf60..874930d2ca9 100644
--- a/htdocs/product/card.php
+++ b/htdocs/product/card.php
@@ -311,14 +311,14 @@ if (empty($reshook)) {
 					// TODO add this functionality into the api_products.class.php
 					// TODO Mutualise the list into object product.class.php
 					$objects = array(
-						'Categorie' => '/categories/class/categorie.class.php',
+						// do not use Categorie, it cause foreign key error, merge is done before
+						//'Categorie' => '/categories/class/categorie.class.php',
 						'Propal' => '/comm/propal/class/propal.class.php',
 						'Commande' => '/commande/class/commande.class.php',
 						'Facture' => '/compta/facture/class/facture.class.php',
 						'FactureRec' => '/compta/facture/class/facture-rec.class.php',
 						'Bom' => '/bom/class/bom.class.php',
 						'Contrat' => '/contrat/class/contrat.class.php',
-						'Expedition' => '/expedition/class/expedition.class.php',
 						'Reception' => '/reception/class/reception.class.php',
 						'Fichinter' => '/fichinter/class/fichinter.class.php',
 						'FichinterRec' => '/fichinter/class/fichinter.class.php',