diff --git a/addons/sale_project/models/project.py b/addons/sale_project/models/project.py
index a5557e38cc0..9b7113a381d 100644
--- a/addons/sale_project/models/project.py
+++ b/addons/sale_project/models/project.py
@@ -282,7 +282,7 @@ class Project(models.Model):
 
     def _get_sale_items_domain(self, additional_domain=None):
         sale_orders = self._get_sale_order_items().sudo().order_id
-        domain = [('order_id', 'in', sale_orders.ids), ('is_downpayment', '=', False), ('state', 'in', ['sale', 'done'])]
+        domain = [('order_id', 'in', sale_orders.ids), ('is_downpayment', '=', False), ('state', 'in', ['sale', 'done']), ('display_type', '=', False)]
         if additional_domain:
             domain = expression.AND([domain, additional_domain])
         return domain
diff --git a/addons/sale_project/tests/test_sale_project.py b/addons/sale_project/tests/test_sale_project.py
index 3837556780e..7f3ab2d47e1 100644
--- a/addons/sale_project/tests/test_sale_project.py
+++ b/addons/sale_project/tests/test_sale_project.py
@@ -144,6 +144,16 @@ class TestSaleProject(TransactionCase):
             'price_unit': self.product_order_service1.list_price,
             'order_id': sale_order_2.id,
         })
+        section_sale_line_order_2 = SaleOrderLine.create({
+            'display_type': 'line_section',
+            'name': 'Test Section',
+            'order_id': sale_order_2.id,
+        })
+        note_sale_line_order_2 = SaleOrderLine.create({
+            'display_type': 'line_note',
+            'name': 'Test Note',
+            'order_id': sale_order_2.id,
+        })
         sale_order_2.action_confirm()
         task = self.env['project.task'].create({
             'name': 'Task',
@@ -154,17 +164,21 @@ class TestSaleProject(TransactionCase):
         self.assertIn(task.sale_line_id, self.project_global._get_sale_order_items())
         self.assertEqual(self.project_global._get_sale_orders(), sale_order | sale_order_2)
 
-        sale_order_lines = sale_order.order_line + sale_order_2.order_line
+        sale_order_lines = sale_order.order_line + sale_line_1_order_2  # exclude the Section and Note Sales Order Items
         sale_items_data = self.project_global._get_sale_items(with_action=False)
         self.assertEqual(sale_items_data['total'], len(sale_order_lines))
         expected_sale_line_dict = {
             sol_read['id']: sol_read
             for sol_read in sale_order_lines.read(['display_name', 'product_uom_qty', 'qty_delivered', 'qty_invoiced', 'product_uom'])
         }
+        actual_sol_ids = []
         for line in sale_items_data['data']:
             sol_id = line['id']
+            actual_sol_ids.append(sol_id)
             self.assertIn(sol_id, expected_sale_line_dict)
             self.assertDictEqual(line, expected_sale_line_dict[sol_id])
+        self.assertNotIn(section_sale_line_order_2.id, actual_sol_ids, 'The section Sales Order Item should not be takken into account in the Sales section of project.')
+        self.assertNotIn(note_sale_line_order_2.id, actual_sol_ids, 'The note Sales Order Item should not be takken into account in the Sales section of project.')
 
     def test_sol_product_type_update(self):
         partner = self.env['res.partner'].create({'name': "Mur en brique"})