diff --git a/core/include/pre-update.php b/core/include/pre-update.php
index 5efc27c1..dceff77b 100644
--- a/core/include/pre-update.php
+++ b/core/include/pre-update.php
@@ -32,7 +32,10 @@ if (file_exists('site/data/core.json')) {
         // Nettoyage du dossier de langue de TinyMCE
         unlink('core/vendor/tinymce/langs/*.js');
         unlink('core/vendor/tinymce/langs/langs.zip');
-        unlink('core/vendor/tinymce/langs/README.md');
+        unlink('core/module/install/ressource/i18n/de.json');
+        unlink('core/module/install/ressource/i18n/it.json');
+        unlink('core/module/install/ressource/i18n/pt_PT.json');
+        unlink('core/module/install/ressource/i18n/gr_GR.json');
     }
 }