diff --git a/twofish.c b/twofish.c
index f9df92da90caba9d98d2b3e7bc0359254fd8a7c3..31f5ff2561f3345ae0242b1f8345ff9add4fdb3e 100644
--- a/twofish.c
+++ b/twofish.c
@@ -330,7 +330,6 @@ twofish_selftest(void)
     0x9F, 0x0C, 0xFC, 0xCA, 0xE8, 0x7C, 0xFA, 0x20 };
 
   TWOFISH_context context;
-  int i;
   byte plaintext[16], ciphertext[16];
 
   twofish_setup(&context, 16, testkey128);