diff --git a/tools/cert_create/include/cert.h b/tools/cert_create/include/cert.h
index 39b45b5..6db9b57 100644
--- a/tools/cert_create/include/cert.h
+++ b/tools/cert_create/include/cert.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015-2017, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2015-2019, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -49,7 +49,6 @@
 cert_t *cert_get_by_opt(const char *opt);
 int cert_add_ext(X509 *issuer, X509 *subject, int nid, char *value);
 int cert_new(
-	int key_alg,
 	int md_alg,
 	cert_t *cert,
 	int days,
diff --git a/tools/cert_create/include/key.h b/tools/cert_create/include/key.h
index c08beb8..d96d983 100644
--- a/tools/cert_create/include/key.h
+++ b/tools/cert_create/include/key.h
@@ -21,7 +21,6 @@
 /* Supported key algorithms */
 enum {
 	KEY_ALG_RSA,		/* RSA PSS as defined by PKCS#1 v2.1 (default) */
-	KEY_ALG_RSA_1_5,	/* RSA as defined by PKCS#1 v1.5 */
 #ifndef OPENSSL_NO_EC
 	KEY_ALG_ECDSA,
 #endif /* OPENSSL_NO_EC */
@@ -42,7 +41,6 @@
 /* NOTE: the first item in each array is the default key size */
 static const unsigned int KEY_SIZES[KEY_ALG_MAX_NUM][KEY_SIZE_MAX_NUM] = {
 	{ 2048, 1024, 3072, 4096 },	/* KEY_ALG_RSA */
-	{ 2048, 1024, 3072, 4096 },	/* KEY_ALG_RSA_1_5 */
 #ifndef OPENSSL_NO_EC
 	{}				/* KEY_ALG_ECDSA */
 #endif /* OPENSSL_NO_EC */