diff --git a/lib/sha1.c b/lib/sha1.c
index 0a5f68864c..05b17a259a 100644
--- a/lib/sha1.c
+++ b/lib/sha1.c
@@ -389,8 +389,6 @@ void sha1_hmac(const unsigned char *key, int keylen,
 	memset (&ctx, 0, sizeof (sha1_context));
 }
 
-static const char _sha1_src[] = "_sha1_src";
-
 #ifdef SELF_TEST
 /*
  * FIPS-180-1 test vectors