diff --git a/duoqin/files/mtk-kpd.kcm b/duoqin/files/mtk-kpd.kcm
index 32a36a1..148d52b 100644
--- a/duoqin/files/mtk-kpd.kcm
+++ b/duoqin/files/mtk-kpd.kcm
@@ -7,26 +7,22 @@ key ESCAPE {
 }
 
 key DPAD_UP {
-    base:                               fallback DPAD_UP
     alt, meta:                          fallback VOLUME_UP
 }
 
 key DPAD_DOWN {
-    base:                               fallback DPAD_DOWN
     alt, meta:                          fallback VOLUME_DOWN
 }
 
 key DPAD_LEFT {
-    base:                               fallback DPAD_LEFT
     alt, meta:                          fallback BRIGHTNESS_DOWN
 }
 
 key DPAD_RIGHT {
-    base:                               fallback DPAD_RIGHT
     alt, meta:                          fallback BRIGHTNESS_UP
 }
 
 key DPAD_CENTER {
-    base:                               fallback DPAD_CENTER
     alt, meta:                          fallback VOLUME_MUTE
+    ctrl:                               fallback MUTE
 }
\ No newline at end of file
diff --git a/duoqin/files/mtk-pmic-keys.kcm b/duoqin/files/mtk-pmic-keys.kcm
index 431e29c..17be017 100644
--- a/duoqin/files/mtk-pmic-keys.kcm
+++ b/duoqin/files/mtk-pmic-keys.kcm
@@ -1,6 +1,5 @@
 type SPECIAL_FUNCTION
 
 key ENDCALL {
-    base:                               fallback ENDCALL
-    alt, meta:                          fallback POWER
+    base:                               fallback POWER
 }
\ No newline at end of file