diff --git a/addons/point_of_sale/models/product.py b/addons/point_of_sale/models/product.py
index 828c08c43c8..b367c766a9e 100644
--- a/addons/point_of_sale/models/product.py
+++ b/addons/point_of_sale/models/product.py
@@ -16,7 +16,7 @@ class ProductTemplate(models.Model):
     def unlink(self):
         product_ctx = dict(self.env.context or {}, active_test=False)
         if self.with_context(product_ctx).search_count([('id', 'in', self.ids), ('available_in_pos', '=', True)]):
-            if self.env['pos.session'].search_count([('state', '!=', 'closed')]):
+            if self.env['pos.session'].sudo().search_count([('state', '!=', 'closed')]):
                 raise UserError(_('You cannot delete a product saleable in point of sale while a session is still opened.'))
         return super(ProductTemplate, self).unlink()
 
@@ -31,7 +31,7 @@ class ProductProduct(models.Model):
 
     def unlink(self):
         product_ctx = dict(self.env.context or {}, active_test=False)
-        if self.env['pos.session'].search_count([('state', '!=', 'closed')]):
+        if self.env['pos.session'].sudo().search_count([('state', '!=', 'closed')]):
             if self.with_context(product_ctx).search_count([('id', 'in', self.ids), ('product_tmpl_id.available_in_pos', '=', True)]):
                 raise UserError(_('You cannot delete a product saleable in point of sale while a session is still opened.'))
         return super(ProductProduct, self).unlink()