diff --git a/configs/baremetal.h b/configs/baremetal.h
index 2fbc35971..12321289b 100644
--- a/configs/baremetal.h
+++ b/configs/baremetal.h
@@ -77,6 +77,7 @@
 #define MBEDTLS_SSL_SESSION_TICKETS
 #define MBEDTLS_SSL_COOKIE_C
 #define MBEDTLS_SSL_PROTO_DTLS
+#define MBEDTLS_SSL_PROTO_NO_TLS
 #define MBEDTLS_SSL_DTLS_ANTI_REPLAY
 #define MBEDTLS_SSL_DTLS_HELLO_VERIFY
 #define MBEDTLS_SSL_DTLS_BADMAC_LIMIT