diff --git a/crypto/seed/seed.h b/crypto/seed/seed.h
index feea8a38b..427915ed9 100644
--- a/crypto/seed/seed.h
+++ b/crypto/seed/seed.h
@@ -121,8 +121,6 @@ void SEED_encrypt(const unsigned char s[SEED_BLOCK_SIZE], unsigned char d[SEED_B
 void SEED_decrypt(const unsigned char s[SEED_BLOCK_SIZE], unsigned char d[SEED_BLOCK_SIZE], const SEED_KEY_SCHEDULE *ks);
 
 void SEED_ecb_encrypt(const unsigned char *in, unsigned char *out, const SEED_KEY_SCHEDULE *ks, int enc);
-  
-/* TBD */
 void SEED_cbc_encrypt(const unsigned char *in, unsigned char *out,
         size_t len, const SEED_KEY_SCHEDULE *ks, unsigned char ivec[SEED_BLOCK_SIZE], int enc);
 void SEED_cfb128_encrypt(const unsigned char *in, unsigned char *out,