diff --git a/src/crypto/sha1-tlsprf.c b/src/crypto/sha1-tlsprf.c
index f9bc0ebf6..a11649a93 100644
--- a/src/crypto/sha1-tlsprf.c
+++ b/src/crypto/sha1-tlsprf.c
@@ -40,9 +40,6 @@ int tls_prf_sha1_md5(const u8 *secret, size_t secret_len, const char *label,
 	const unsigned char *SHA1_addr[3];
 	size_t SHA1_len[3];
 
-	if (secret_len & 1)
-		return -1;
-
 	MD5_addr[0] = A_MD5;
 	MD5_len[0] = MD5_MAC_LEN;
 	MD5_addr[1] = (unsigned char *) label;