diff --git a/lib/files.php b/lib/files.php
index 768a2ad219..2d7e335e96 100644
--- a/lib/files.php
+++ b/lib/files.php
@@ -28,11 +28,11 @@
 class OC_Files {
 	static $tmpFiles = array();
 
-	public function getFileInfo($path){
+	static public function getFileInfo($path){
 		return \OC\Files\Filesystem::getFileInfo($path);
 	}
 
-	public function getDirectoryContent($path){
+	static public function getDirectoryContent($path){
 		return \OC\Files\Filesystem::getDirectoryContent($path);
 	}