diff --git a/src/lang.zig b/src/lang.zig
index 4fb3fb4..6d444c9 100644
--- a/src/lang.zig
+++ b/src/lang.zig
@@ -284,12 +284,6 @@ pub const Command = struct {
         gaterange: f32,
     });
     pub const Detune = LV2Command(.detune, "http://drobilla.net/plugins/mda/Detune", struct {
-        @"switch": f32,
-        threshold: f32,
-        attack: f32,
-        hold: f32,
-        decay: f32,
-        gaterange: f32,
         detune: f32,
         mix: f32,
         output: f32,