diff --git a/20-keyboard.conf b/20-keyboard.conf
index b34b743..a894040 100644
--- a/20-keyboard.conf
+++ b/20-keyboard.conf
@@ -5,5 +5,5 @@ Section "InputClass"
     MatchIsKeyboard        "yes"
 #    Option                 "XkbModel" "acer_laptop"
 #    Option                 "XkbLayout" "jp"
-    Option                 "XkbOptions" "ctrl:nocaps,ctrl:menu_rctrl"
+    Option                 "XkbOptions" "ctrl:nocaps"
 EndSection
diff --git a/xinitrc b/xinitrc
index acf792a..25e2b41 100644
--- a/xinitrc
+++ b/xinitrc
@@ -1,7 +1,7 @@
 test "`hostname`" == "arch-aspireone" &&
 setxkbmap -model "acer_laptop" -layout "jp" # this line must comes first
 
-setxkbmap -option "ctrl:nocaps,ctrl:menu_rctrl"
+setxkbmap -option "ctrl:nocaps"
 xmodmap -e 'keycode 101 = Alt_R Meta_R' # hiragana key as alt
 #xmodmap -e 'remove Lock = Caps_Lock'
 #xmodmap -e 'add Control = Caps_Lock'