diff --git a/src/video/xbios/SDL_xbios_centscreen.h b/src/video/xbios/SDL_xbios_centscreen.h
index 5e5d68af9..5187d2063 100644
--- a/src/video/xbios/SDL_xbios_centscreen.h
+++ b/src/video/xbios/SDL_xbios_centscreen.h
@@ -36,10 +36,6 @@
 
 /*--- Defines ---*/
 
-#ifndef C_CNTS
-#define C_CNTS 0x434e5453L
-#endif
-
 #define CSCREEN_ENERGYSTAR		(1<<9)
 #define CSCREEN_SAVER			(1<<10)
 #define CSCREEN_VIRTUAL			(1<<11)