diff --git a/patch/fixkeyboardinput.c b/patch/fixkeyboardinput.c
index 6d485c3..75f8f40 100644
--- a/patch/fixkeyboardinput.c
+++ b/patch/fixkeyboardinput.c
@@ -32,7 +32,6 @@ static KeySym mappedkeys[] = {
 	XK_X,
 	XK_Y,
 	XK_Z,
-	XK_Z,
 	XK_0,
 	XK_1,
 	XK_2,
@@ -600,7 +599,6 @@ static Key key[] = {
 	{ XK_X,            ControlMask|ShiftMask,          "\033[88;6u",  0,  0},
 	{ XK_Y,            ControlMask|ShiftMask,          "\033[89;6u",  0,  0},
 	{ XK_Z,            ControlMask|ShiftMask,          "\033[90;6u",  0,  0},
-	{ XK_Z,            ControlMask|ShiftMask,          "\033[90;6u",  0,  0},
 	{ XK_0,            Mod1Mask|ControlMask,           "\033[48;7u",  0,  0},
 	{ XK_1,            ControlMask,                    "\033[49;5u",  0,  0},
 	{ XK_1,            Mod1Mask|ControlMask,           "\033[49;7u",  0,  0},