diff --git a/addons/account/models/partner.py b/addons/account/models/partner.py
index d907d448507..42732cf3793 100644
--- a/addons/account/models/partner.py
+++ b/addons/account/models/partner.py
@@ -481,8 +481,8 @@ class ResPartner(models.Model):
     invoice_warn_msg = fields.Text('Message for Invoice')
     # Computed fields to order the partners as suppliers/customers according to the
     # amount of their generated incoming/outgoing account moves
-    supplier_rank = fields.Integer(default=0)
-    customer_rank = fields.Integer(default=0)
+    supplier_rank = fields.Integer(default=0, copy=False)
+    customer_rank = fields.Integer(default=0, copy=False)
 
     duplicated_bank_account_partners_count = fields.Integer(
         compute='_compute_duplicated_bank_account_partners_count',