diff --git a/modules/account_budget/account.py b/modules/account_budget/account.py
index 407564ff90..943b7cc162 100644
--- a/modules/account_budget/account.py
+++ b/modules/account_budget/account.py
@@ -247,8 +247,6 @@ class BudgetLineMixin(
             default = {}
         else:
             default = default.copy()
-        default.setdefault('left', 0)
-        default.setdefault('right', 0)
         if 'budget' in default and 'children.budget' not in default:
             default['children.budget'] = default['budget']
         if 'amount' in default and 'children.amount' not in default:
diff --git a/modules/account_invoice/invoice.py b/modules/account_invoice/invoice.py
index 9c01d32d8a..da8e3cb3df 100644
--- a/modules/account_invoice/invoice.py
+++ b/modules/account_invoice/invoice.py
@@ -1324,7 +1324,6 @@ class Invoice(Workflow, ModelSQL, ModelView, TaxableMixin):
         default.setdefault('invoice_date', None)
         default.setdefault('accounting_date', None)
         default.setdefault('payment_term_date', None)
-        default.setdefault('lines_to_pay', None)
         return super(Invoice, cls).copy(invoices, default=default)
 
     @classmethod
diff --git a/modules/purchase/invoice.py b/modules/purchase/invoice.py
index 4912da5ed2..8a00cbed19 100644
--- a/modules/purchase/invoice.py
+++ b/modules/purchase/invoice.py
@@ -70,15 +70,6 @@ class Invoice(metaclass=PoolMeta):
     def delete(cls, invoices):
         super(Invoice, cls).delete(invoices)
 
-    @classmethod
-    def copy(cls, invoices, default=None):
-        if default is None:
-            default = {}
-        else:
-            default = default.copy()
-        default.setdefault('purchases', None)
-        return super(Invoice, cls).copy(invoices, default=default)
-
     @classmethod
     @ModelView.button
     @Workflow.transition('draft')
diff --git a/modules/sale/invoice.py b/modules/sale/invoice.py
index c3dc29930e..80be2cb39b 100644
--- a/modules/sale/invoice.py
+++ b/modules/sale/invoice.py
@@ -64,15 +64,6 @@ class Invoice(metaclass=PoolMeta):
         return [('lines.origin.sale' + clause[0][len(name):],
                 *clause[1:3], 'sale.line', *clause[3:])]
 
-    @classmethod
-    def copy(cls, invoices, default=None):
-        if default is None:
-            default = {}
-        else:
-            default = default.copy()
-        default.setdefault('sales', None)
-        return super(Invoice, cls).copy(invoices, default=default)
-
     @classmethod
     @process_sale
     def delete(cls, invoices):
diff --git a/modules/stock/shipment.py b/modules/stock/shipment.py
index e29103c43c..55b81d17ee 100644
--- a/modules/stock/shipment.py
+++ b/modules/stock/shipment.py
@@ -497,8 +497,6 @@ class ShipmentIn(ShipmentMixin, Workflow, ModelSQL, ModelView):
             default = {}
         else:
             default = default.copy()
-        default.setdefault('inventory_moves', None)
-        default.setdefault('incoming_moves', None)
         default.setdefault('number', None)
         default.setdefault('received_by', None)
         default.setdefault('done_by', None)
@@ -1656,8 +1654,6 @@ class ShipmentOut(ShipmentAssignMixin, Workflow, ModelSQL, ModelView):
             default = {}
         else:
             default = default.copy()
-        default.setdefault('inventory_moves', None)
-        default.setdefault('outgoing_moves', None)
         default.setdefault('number', None)
         default.setdefault('picked_by', None)
         default.setdefault('packed_by', None)
@@ -2085,8 +2081,6 @@ class ShipmentOutReturn(ShipmentMixin, Workflow, ModelSQL, ModelView):
         if default is None:
             default = {}
         default = default.copy()
-        default.setdefault('inventory_moves', None)
-        default.setdefault('incoming_moves', None)
         default.setdefault('number', None)
         default.setdefault('received_by', None)
         default.setdefault('done_by', None)