diff --git a/odex25_transactions/exp_transaction_documents/models/configuration.py b/odex25_transactions/exp_transaction_documents/models/configuration.py
index a57ee94b4..54d67aa28 100644
--- a/odex25_transactions/exp_transaction_documents/models/configuration.py
+++ b/odex25_transactions/exp_transaction_documents/models/configuration.py
@@ -98,15 +98,15 @@ class AttachmentRule(models.Model):
     #             if file_size > max_size:
     #                 raise ValidationError(_('Attachment %s exceeds the maximum allowed size of 4 MB.') % record.attachment_filename)
     
-    @api.onchange('file_save')
-    def _onchange_file_save(self):
-        max_size = 4 * 1024 * 1024  # 4 MB
-        for record in self:
-            if record.file_save:
-                file_size = len(base64.b64decode(record.file_save))
-                if file_size > max_size:
-                    record.file_save = False
-                    raise UserError(_('Attachment %s exceeds the maximum allowed size of 4 MB.') % record.attachment_filename)
+    # @api.onchange('file_save')
+    # def _onchange_file_save(self):
+    #     max_size = 4 * 1024 * 1024  # 4 MB
+    #     for record in self:
+    #         if record.file_save:
+    #             file_size = len(base64.b64decode(record.file_save))
+    #             if file_size > max_size:
+    #                 record.file_save = False
+    #                 raise UserError(_('Attachment %s exceeds the maximum allowed size of 4 MB.') % record.attachment_filename)
 
 class TransactionTrace(models.Model):
     _name = 'cm.transaction.trace'