diff --git a/lib/exe/css.php b/lib/exe/css.php
index 507a687371798b97d0aefe22bbfd215b2817fdf1..ade1547cee795c0a5e6b7846a713f85ce6be3ee5 100644
--- a/lib/exe/css.php
+++ b/lib/exe/css.php
@@ -50,11 +50,6 @@ function css_out(){
     // load styl.ini
     $styleini = css_styleini($tpl, $INPUT->bool('preview'));
 
-    // if old 'default' userstyle setting exists, make it 'screen' userstyle for backwards compatibility
-    if (isset($config_cascade['userstyle']['default'])) {
-        $config_cascade['userstyle']['screen'] = array($config_cascade['userstyle']['default']);
-    }
-
     // cache influencers
     $tplinc = tpl_incdir($tpl);
     $cache_files = getConfigFiles('main');