diff --git a/mbcico/binkp.h b/mbcico/binkp.h
index 0bdccc7f..da6a303e 100644
--- a/mbcico/binkp.h
+++ b/mbcico/binkp.h
@@ -59,7 +59,6 @@
 #define BINKP_CONTROL_BLOCK	0x8000
 #define	BINKP_PLZ_BLOCK		0x4000
 #define BINKP_ZIPBUFLEN		(((BINKP_PLZ_BLOCK * 11) / 10) + 12)
-#define	BINKP_GZBUFLEN		(((BINKP_CONTROL_BLOCK * 11) / 10) + 12)
 
 typedef struct _binkp_frame {
 	unsigned short	header;