diff --git a/hsm_utils/import_asymmetric_key.c b/hsm_utils/import_asymmetric_key.c
index 75bb9ae..3ca0820 100644
--- a/hsm_utils/import_asymmetric_key.c
+++ b/hsm_utils/import_asymmetric_key.c
@@ -197,8 +197,7 @@ int sbn_bin2bignum ( struct NFast_Bignum **ppBN_out,
 			const unsigned char *bin, const int size )
 {
 	struct NFast_Bignum *pBN;
-	int d;
-	size_t len, i;
+	int len, i;
 
 	len = size;