diff --git a/addons/account/models/account_account.py b/addons/account/models/account_account.py
index ee1a09be546..5aba2064e1f 100644
--- a/addons/account/models/account_account.py
+++ b/addons/account/models/account_account.py
@@ -579,10 +579,6 @@ class AccountAccount(models.Model):
     def _onchange_account_type(self):
         if self.internal_group == 'off_balance':
             self.tax_ids = False
-        elif self.internal_group == 'income' and not self.tax_ids:
-            self.tax_ids = self.company_id.account_sale_tax_id
-        elif self.internal_group == 'expense' and not self.tax_ids:
-            self.tax_ids = self.company_id.account_purchase_tax_id
 
     def _split_code_name(self, code_name):
         # We only want to split the name on the first word if there is a digit in it