diff --git a/ext/wiki/theme.php b/ext/wiki/theme.php
index 3038d10b..4381175b 100644
--- a/ext/wiki/theme.php
+++ b/ext/wiki/theme.php
@@ -73,7 +73,7 @@ class WikiTheme extends Themelet
 
     protected function create_display_html(WikiPage $page)
     {
-        global $user, $database, $config;
+        global $user;
 
         $owner = $page->get_owner();