diff --git a/htdocs/core/class/html.formmail.class.php b/htdocs/core/class/html.formmail.class.php
index 5d8fd8f25b2..debfbbf1b8e 100644
--- a/htdocs/core/class/html.formmail.class.php
+++ b/htdocs/core/class/html.formmail.class.php
@@ -1395,8 +1395,6 @@ class FormMail extends Form
 						$defaultmessage = $outputlangs->transnoentities("PredefinedMailContentSendFichInter");
 					} elseif ($type_template == 'actioncomm_send') {
 						$defaultmessage = $outputlangs->transnoentities("PredefinedMailContentSendActionComm");
-					} elseif ($type_template == 'thirdparty') {
-						$defaultmessage = $outputlangs->transnoentities("PredefinedMailContentThirdparty");
 					} elseif (!empty($type_template)) {
 						$defaultmessage = $outputlangs->transnoentities("PredefinedMailContentGeneric");
 					}