diff --git a/hw/xfree86/os-support/xf86_OSlib.h b/hw/xfree86/os-support/xf86_OSlib.h
index 0b8363faf..8adb0074f 100644
--- a/hw/xfree86/os-support/xf86_OSlib.h
+++ b/hw/xfree86/os-support/xf86_OSlib.h
@@ -208,10 +208,6 @@ struct pcvtid {
 #endif
 #ifndef CONSOLE_X_TV_ON
 #define CONSOLE_X_TV_ON _IOW('t',155,int)
-#define XMODE_RGB   0
-#define XMODE_NTSC  1
-#define XMODE_PAL   2
-#define XMODE_SECAM 3
 #endif
 #ifndef CONSOLE_X_TV_OFF
 #define CONSOLE_X_TV_OFF _IO('t',156)