diff --git a/modules/purchase_trade/fee.py b/modules/purchase_trade/fee.py
index 8557467..0e30740 100755
--- a/modules/purchase_trade/fee.py
+++ b/modules/purchase_trade/fee.py
@@ -846,11 +846,46 @@ class Fee(ModelSQL,ModelView):
     @classmethod
     def delete(cls, fees):
         purchase_lines, sale_lines = cls._collect_pnl_lines(fees=fees)
+        purchases = cls._get_generated_purchases_to_delete(fees)
         super().delete(fees)
+        if purchases:
+            Purchase = Pool().get('purchase.purchase')
+            Purchase.delete(purchases)
         cls._regenerate_fee_pnl_for_lines(purchase_lines, sale_lines)
 
+    @classmethod
+    def _get_generated_purchases_to_delete(cls, fees):
+        purchases = []
+        seen = set()
+        for fee in fees:
+            purchase = getattr(fee, 'purchase', None)
+            if not cls._is_generated_purchase_for_fee(fee, purchase):
+                continue
+            purchase_id = getattr(purchase, 'id', id(purchase))
+            if purchase_id in seen:
+                continue
+            seen.add(purchase_id)
+            purchases.append(purchase)
+        return purchases
+
+    @staticmethod
+    def _is_generated_purchase_for_fee(fee, purchase):
+        if getattr(fee, 'type', None) != 'ordered' or not purchase:
+            return False
+        if getattr(purchase, 'line_type', 'service') != 'service':
+            return False
+        lines = list(getattr(purchase, 'lines', []) or [])
+        if not lines:
+            return False
+        fee_id = getattr(fee, 'id', fee)
+        for line in lines:
+            line_fee = getattr(line, 'fee_', None)
+            if getattr(line_fee, 'id', line_fee) != fee_id:
+                return False
+        return True
+
     def _get_account_move_fee(self,lot,in_out='in',amt = None):
-        pool = Pool()
+        pool = Pool()
         AccountMove = pool.get('account.move')
         Date = pool.get('ir.date')
         Period = pool.get('account.period')
diff --git a/modules/purchase_trade/purchase.py b/modules/purchase_trade/purchase.py
index 2e28d2b..9d39500 100755
--- a/modules/purchase_trade/purchase.py
+++ b/modules/purchase_trade/purchase.py
@@ -315,7 +315,7 @@ class Purchase(metaclass=PoolMeta):
         fields.Boolean("Visible"), 'on_change_with_company_visible')
     lc_date = fields.Date("LC date")
     product_origin = fields.Char(
-        "Origin", states={'invisible': Eval('company_visible'),})
+        "Origin", states={'invisible': ~Eval('company_visible'),})
 
     @fields.depends('company', '_parent_company.party')
     def on_change_with_company_visible(self, name=None):
diff --git a/modules/purchase_trade/sale.py b/modules/purchase_trade/sale.py
index 8048ee4..9ec5768 100755
--- a/modules/purchase_trade/sale.py
+++ b/modules/purchase_trade/sale.py
@@ -279,7 +279,7 @@ class Sale(metaclass=PoolMeta):
         fields.Boolean("Visible"), 'on_change_with_company_visible')
     lc_date = fields.Date("LC date")
     product_origin = fields.Char(
-        "Origin", states={'invisible': Eval('company_visible'),})
+        "Origin", states={'invisible': ~Eval('company_visible'),})
 
     @fields.depends('company', '_parent_company.party')
     def on_change_with_company_visible(self, name=None):
diff --git a/modules/purchase_trade/tests/test_module.py b/modules/purchase_trade/tests/test_module.py
index 3dfc417..bfe28c7 100644
--- a/modules/purchase_trade/tests/test_module.py
+++ b/modules/purchase_trade/tests/test_module.py
@@ -2655,6 +2655,38 @@ class PurchaseTradeTestCase(ModuleTestCase):
                 {'label': 'FREIGHT value in EUR', 'amount': Decimal('25')},
             ])
 
+    def test_fee_delete_detects_generated_ordered_purchase(self):
+        'ordered fee deletion targets only its generated service purchase'
+        Fee = Pool().get('fee.fee')
+
+        fee = Fee()
+        fee.id = 10
+        fee.type = 'ordered'
+        purchase = Mock(
+            id=20,
+            line_type='service',
+            lines=[Mock(fee_=fee)])
+        fee.purchase = purchase
+
+        self.assertEqual(
+            Fee._get_generated_purchases_to_delete([fee]),
+            [purchase])
+
+    def test_fee_delete_ignores_unrelated_purchase(self):
+        'ordered fee deletion does not delete purchases with unrelated lines'
+        Fee = Pool().get('fee.fee')
+
+        fee = Fee()
+        fee.id = 10
+        fee.type = 'ordered'
+        purchase = Mock(
+            id=20,
+            line_type='service',
+            lines=[Mock(fee_=Mock(id=99))])
+        fee.purchase = purchase
+
+        self.assertEqual(Fee._get_generated_purchases_to_delete([fee]), [])
+
     def test_sale_report_converts_mixed_units_for_total_and_words(self):
         'sale report totals prefer the virtual lot unit as common unit'
         Sale = Pool().get('sale.sale')