diff --git a/src/App.php b/src/App.php
index 4564bb0980..7d1258c604 100644
--- a/src/App.php
+++ b/src/App.php
@@ -57,7 +57,6 @@ use Psr\Log\LoggerInterface;
 class App
 {
 	public $user;
-	public $data = [];
 	public $theme_info = [];
 	// Allow themes to control internal parameters
 	// by changing App values in theme.php