diff --git a/app/Models/Invoice.php b/app/Models/Invoice.php
index bff1699183..a6297b7034 100644
--- a/app/Models/Invoice.php
+++ b/app/Models/Invoice.php
@@ -84,10 +84,6 @@ class Invoice extends BaseModel
         'custom_surcharge2',
         'custom_surcharge3',
         'custom_surcharge4',
-    // 'custom_surcharge_tax1',
-    // 'custom_surcharge_tax2',
-    // 'custom_surcharge_tax3',
-    // 'custom_surcharge_tax4',
         'design_id',
         'assigned_user_id',
         'exchange_rate',