diff --git a/duoqin/files/mtk-kpd.kcm b/duoqin/files/mtk-kpd.kcm
index 2332b65..d17e891 100644
--- a/duoqin/files/mtk-kpd.kcm
+++ b/duoqin/files/mtk-kpd.kcm
@@ -15,7 +15,6 @@ key BUTTON_X {
 key BUTTON_Z {
     base:                               fallback ENTER
     alt, meta:                          fallback VOLUME_MUTE
-    ctrl:                               fallback MUTE
 }
 
 key BUTTON_1 {