diff --git a/partnerapi/viettelffm/model.go b/partnerapi/viettelffm/model.go
index 3b9496a..a33bbdd 100644
--- a/partnerapi/viettelffm/model.go
+++ b/partnerapi/viettelffm/model.go
@@ -51,7 +51,6 @@ type SpecifiedProductLine struct {
 
 type Product struct {
 	PartnerSku string `json:"partner_sku"`
-	ProductId  int    `json:"product_id"`
 }
 
 type ProdCondType struct {