diff --git a/core/include/pre-update.php b/core/include/pre-update.php
index 85e929b8..b75eb4ac 100644
--- a/core/include/pre-update.php
+++ b/core/include/pre-update.php
@@ -27,14 +27,7 @@ if (file_exists('site/data/core.json')) {
         sleep(1);
     }
 
-    // Avant version 12.3.00
-    if ($version['core']['dataVersion'] < 12300) {
-        // Nettoyage du dossier de langue de TinyMCE
-        unlink('core/vendor/tinymce/langs/*.js');
-        unlink('core/vendor/tinymce/langs/langs.zip');
-        unlink('core/vendor/tinymce/langs/README.md');
-    }
-
+    // Renomme les bases de données
     if ($version['core']['dataVersion'] < 12400) {
         if (file_exists('core/module/install/ressource/i18n/languages.json'))
             rename('core/module/install/ressource/i18n/languages.json', 'core/module/install/ressource/i18n/language.json');
diff --git a/core/include/update.inc.php b/core/include/update.inc.php
index 4c02a60b..4e794cc0 100644
--- a/core/include/update.inc.php
+++ b/core/include/update.inc.php
@@ -942,6 +942,18 @@ if ($this->getData(['core', 'dataVersion']) < 12300) {
 	$this->deleteData(['config', 'smtp', 'sender']);
 	$this->setData(['config', 'smtp', 'from', 'no-reply@' . str_replace('www.', '', $_SERVER['HTTP_HOST'])]);
 
+
+	// Nettoyage du dossier de langue d'installation'
+	unlink('core/vendor/tinymce/langs/langs.zip');
+	if (file_exists('core/module/install/ressource/i18n/de.json'))
+		unlink('core/module/install/ressource/i18n/de.json');
+	if (file_exists('core/module/install/ressource/i18n/it.json'))
+		unlink('core/module/install/ressource/i18n/it.json');
+	if (file_exists('core/module/install/ressource/i18n/pt_PT.json'))
+		unlink('core/module/install/ressource/i18n/pt_PT.json');
+	if (file_exists('core/module/install/ressource/i18n/gr_GR.json'))
+		unlink('core/module/install/ressource/i18n/gr_GR.json');
+
 	// Mise à jour
 	$this->setData(['core', 'dataVersion', 12300]);
 }
\ No newline at end of file