Remove unused flag
diff --git a/include/mbedtls/ssl_internal.h b/include/mbedtls/ssl_internal.h
index bc8af84..19328d8 100644
--- a/include/mbedtls/ssl_internal.h
+++ b/include/mbedtls/ssl_internal.h
@@ -392,7 +392,6 @@
     volatile uint8_t hello_random_set;           /*!< Has the hello random been set? */
     volatile uint8_t key_derivation_done;        /*!< Has the key derivation been done? */
     volatile uint8_t premaster_generated;        /*!< Has the PMS been generated? */
-    volatile uint8_t got_proper_keys;            /*!< Has the proper keys been set? */
 #if defined(MBEDTLS_SSL_PROTO_DTLS)
     unsigned char verify_cookie_len;    /*!<  Cli: cookie length
                                               Srv: flag for sending a cookie */