diff --git a/allow_mail_archived_partner/models/account_move_send.py b/allow_mail_archived_partner/models/account_move_send.py
index a37c4cd..40c3c0f 100755
--- a/allow_mail_archived_partner/models/account_move_send.py
+++ b/allow_mail_archived_partner/models/account_move_send.py
@@ -1,60 +1,23 @@
-import logging
-_logger = logging.getLogger(__name__)
-
-from odoo import models, api, fields
+from odoo import models, api
 
 
 class AccountInvoiceSend(models.TransientModel):
     _inherit = "account.invoice.send"
 
-
     @api.model
-    def default_get(self, fields):
-        res = super().default_get(fields)
+    def _get_default_mail_partner_ids(self, move, mail_template, mail_lang):
+        """
+        Allow archived partners to be included as recipients when
+        sending invoices via the 'Send by Email' wizard.
+        This is the ONLY place where partner_ids are computed.
+        """
+        # Temporarily disable active_test so archived partners are not filtered out
+        wiz = self.with_context(
+            active_test=False,
+            include_archived_partners=True,
+        )
 
-        active_ids = self.env.context.get('active_ids', [])
-        if active_ids:
-            moves = self.env['account.move'].with_context(
-                active_test=False
-            ).browse(active_ids)
-
-            partners = moves.mapped('partner_id').filtered(lambda p: p.email)
-
-            if partners:
-                res['partner_ids'] = [(6, 0, partners.ids)]
-                res['email_to'] = ", ".join(partners.mapped('email'))
-
-        return res
-
-    def action_send_and_print(self):
-        _logger.info("=== ACCOUNT.INVOICE.SEND action_send_and_print ===")
-        _logger.info(f"Wizard ID: {self.id}, Partners: {self.partner_ids.ids}")
-        
         return super(
             AccountInvoiceSend,
-            self.with_context(
-                active_test=False,
-                include_archived_partners=True,
-                mail_notify_force=True,
-                force_email=True,
-                mark_invoice_as_sent=True,
-            )
-        ).action_send_and_print()
-
-    # LOG ALL POSSIBLE ACTIONS
-    def action_send(self):
-        _logger.info("=== ACCOUNT.INVOICE.SEND action_send ===")
-        return super().action_send()
-
-    def send_and_print_action(self):
-        _logger.info("=== ACCOUNT.INVOICE.SEND send_and_print_action ===")
-        return super().send_and_print_action()
-
-    def print_action(self):
-        _logger.info("=== ACCOUNT.INVOICE.SEND print_action ===")
-        return super().print_action()
-
-    @api.model
-    def action_send_and_print_invoices(self, invoices):
-        _logger.info("=== ACCOUNT.INVOICE.SEND action_send_and_print_invoices ===")
-        return super().action_send_and_print_invoices(invoices)
\ No newline at end of file
+            wiz
+        )._get_default_mail_partner_ids(move, mail_template, mail_lang)