// MERGE with trunk revision 7754

admin-dev/tabs/AdminPreferences.php

@@ -171,15 +171,7 @@ class AdminPreferences extends AdminTab
 	{
 		$context = Context::getContext();
 		$languages = Language::getLanguages(false);
-		if (!Configuration::get('PS_FORCE_SMARTY_2'))
-		{
-			$files = scandir(_PS_THEME_DIR_);
-			foreach ($files AS $file)
-				if (!preg_match('/^\..*/', $file))
-						$context->smarty->clearCache($file);
-		}
-		else
-			$context->smarty->clear_all_cache();
+		Tools::clearCache($context->smarty);
 
 		/* Check required fields */
 		foreach ($fields AS $field => $values)