diff --git a/sshaes.c b/sshaes.c
index 0368d6e9..9be58dab 100644
--- a/sshaes.c
+++ b/sshaes.c
@@ -33,7 +33,6 @@
 #include "ssh.h"
 
 #define MAX_NR 14		       /* max no of rounds */
-#define MAX_NK 8		       /* max no of words in input key */
 #define MAX_NB 8		       /* max no of words in cipher blk */
 
 #define mulby2(x) ( ((x&0x7F) << 1) ^ (x & 0x80 ? 0x1B : 0) )