diff --git a/source/static/payshipment.php b/source/static/payshipment.php
index 4038610..b832b1d 100644
--- a/source/static/payshipment.php
+++ b/source/static/payshipment.php
@@ -81,9 +81,6 @@ try {
                             ]
                         ]
                     ]
-                ],
-                "payment_details" => [
-                    "order_reference" => "$shipment->tracking_code"
                 ]
             ]);
         } catch (Exception $exx) {