diff --git a/htdocs/install/upgrade2.php b/htdocs/install/upgrade2.php
index e2109df421010d9096370ccaa5be141802386ec3..34e951332afa8138bfd6f7d8fb218824c85f0607 100644
--- a/htdocs/install/upgrade2.php
+++ b/htdocs/install/upgrade2.php
@@ -1727,7 +1727,9 @@ function migrate_delete_old_files($db,$langs,$conf)
 	DOL_DOCUMENT_ROOT.'/includes/triggers/interface_demo.class.php',
 	DOL_DOCUMENT_ROOT.'/includes/menus/barre_left/default.php',
 	DOL_DOCUMENT_ROOT.'/includes/menus/barre_top/default.php',
-	DOL_DOCUMENT_ROOT.'/includes/modules/modComptabiliteExpert.class.php'
+	DOL_DOCUMENT_ROOT.'/includes/modules/modComptabiliteExpert.class.php',
+	DOL_DOCUMENT_ROOT.'/includes/triggers/interface_modPhenix_Phenixsynchro.class.php',
+	DOL_DOCUMENT_ROOT.'/includes/triggers/interface_modWebcalendar_webcalsynchro.class.php',
 	);
 
 	foreach ($filetodeletearray as $filetodelete)