diff --git a/core/core.php b/core/core.php
index 3b22d6aa..409038c5 100644
--- a/core/core.php
+++ b/core/core.php
@@ -431,19 +431,6 @@ class common
 		// Mise à jour des données core
 		include('core/include/update.inc.php');
 
-		require_once('core/module/install/ressource/defaultdata.php');
-		$installedLanguages = $this->getData(['language']);
-		$defaultLanguages = init::$defaultData['language'];
-		foreach ($installedLanguages as $key => $value) {
-			if (
-				isset($defaultLanguages[$key]['version']) &&
-				$defaultLanguages[$key]['version'] > $value['version']
-			) {
-				copy('core/module/install/ressource/i18n/' . $key . '.json', self::I18N_DIR . $key . '.json');
-				$this->setData(['language', $key, $defaultLanguages[$key]]);
-			}
-		}
-
 	}