diff --git a/library/ssl_tls13_keys.h b/library/ssl_tls13_keys.h
index 799f63500cbb..74064e6d0d32 100644
--- a/library/ssl_tls13_keys.h
+++ b/library/ssl_tls13_keys.h
@@ -681,20 +681,6 @@ int mbedtls_ssl_tls13_key_schedule_stage_application( mbedtls_ssl_context *ssl )
 int mbedtls_ssl_tls13_generate_early_data_keys(
     mbedtls_ssl_context *ssl, mbedtls_ssl_key_set *traffic_keys );
 
-/**
- * \brief Compute TLS 1.3 handshake traffic keys.
- *
- * \param ssl  The SSL context to operate on. This must be in
- *             key schedule stage \c Handshake, see
- *             mbedtls_ssl_tls13_key_schedule_stage_handshake().
- * \param traffic_keys The address at which to store the handshake traffic key
- *                     keys. This must be writable but may be uninitialized.
- *
- * \returns    \c 0 on success.
- * \returns    A negative error code on failure.
- */
-int mbedtls_ssl_tls13_generate_handshake_keys( mbedtls_ssl_context *ssl,
-                                               mbedtls_ssl_key_set *traffic_keys );
 
 /**
  * \brief Compute TLS 1.3 application traffic keys.