diff --git a/lv2/sfizz.ttl.in b/lv2/sfizz.ttl.in
index cddda959..5ddd0317 100644
--- a/lv2/sfizz.ttl.in
+++ b/lv2/sfizz.ttl.in
@@ -313,17 +313,6 @@ midnam:update a lv2:Feature .
     lv2:default 0 ;
     lv2:minimum 0 ;
     lv2:maximum 256 ;
-  ] , [
-    a lv2:OutputPort, lv2:ControlPort ;
-    lv2:index 12 ;
-    lv2:symbol "active_voices" ;
-    lv2:name "Active voices",
-      "Voix utilisées"@fr ;
-    pg:group <@LV2PLUGIN_URI@#status> ;
-    lv2:portProperty lv2:integer ;
-    lv2:default 0 ;
-    lv2:minimum 0 ;
-    lv2:maximum 256 ;
   ] , [
     a lv2:OutputPort, lv2:ControlPort ;
     lv2:index 13 ;