diff --git a/tests/configs/tls13-only.h b/tests/configs/tls13-only.h
index 0a22c54..751cdf8 100644
--- a/tests/configs/tls13-only.h
+++ b/tests/configs/tls13-only.h
@@ -32,3 +32,5 @@
 #undef MBEDTLS_SSL_DTLS_ANTI_REPLAY
 #undef MBEDTLS_SSL_DTLS_HELLO_VERIFY
 #undef MBEDTLS_SSL_DTLS_CLIENT_PORT_REUSE
+#undef MBEDTLS_SSL_DTLS_CONNECTION_ID
+#undef MBEDTLS_SSL_DTLS_CONNECTION_ID_COMPAT