diff --git a/library/ssl_client.c b/library/ssl_client.c
index 2a9868a601..73a854d61b 100644
--- a/library/ssl_client.c
+++ b/library/ssl_client.c
@@ -848,6 +848,7 @@ static int ssl_prepare_client_hello( mbedtls_ssl_context *ssl )
     defined(MBEDTLS_HAVE_TIME)
     /* Check if a tls13 ticket has been configured. */
     if( ssl->session_negotiate->tls_version == MBEDTLS_SSL_VERSION_TLS1_3 &&
+        ssl->handshake->resume != 0 &&
         ssl->session_negotiate != NULL &&
         ssl->session_negotiate->ticket != NULL )
     {
diff --git a/library/ssl_misc.h b/library/ssl_misc.h
index 0450b3d77f..afacb76f01 100644
--- a/library/ssl_misc.h
+++ b/library/ssl_misc.h
@@ -1911,10 +1911,6 @@ int mbedtls_ssl_tls13_generate_and_write_ecdh_key_exchange(
                 size_t *out_len );
 #endif /* MBEDTLS_ECDH_C */
 
-MBEDTLS_CHECK_RETURN_CRITICAL
-int mbedtls_ssl_tls13_ciphersuite_to_alg( mbedtls_ssl_context *ssl,
-                                          int ciphersuite,
-                                          psa_algorithm_t *psa_alg );
 
 #endif /* MBEDTLS_SSL_PROTO_TLS1_3 */
 
diff --git a/library/ssl_tls.c b/library/ssl_tls.c
index 892a868482..616df07de8 100644
--- a/library/ssl_tls.c
+++ b/library/ssl_tls.c
@@ -1373,15 +1373,6 @@ int mbedtls_ssl_set_session( mbedtls_ssl_context *ssl, const mbedtls_ssl_session
     if( ssl->handshake->resume == 1 )
         return( MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE );
 
-#if defined(MBEDTLS_SSL_PROTO_TLS1_3)
-    if( session->tls_version == MBEDTLS_SSL_VERSION_TLS1_3 &&
-        ( ( ret = mbedtls_ssl_tls13_ciphersuite_to_alg(
-                      ssl, session->ciphersuite, NULL ) ) != 0 ) )
-    {
-        return( ret );
-    }
-#endif
-
     if( ( ret = mbedtls_ssl_session_copy( ssl->session_negotiate,
                                           session ) ) != 0 )
         return( ret );
diff --git a/library/ssl_tls13_client.c b/library/ssl_tls13_client.c
index 7b85c70e57..b0c2a3fb35 100644
--- a/library/ssl_tls13_client.c
+++ b/library/ssl_tls13_client.c
@@ -668,19 +668,17 @@ static int ssl_tls13_write_psk_key_exchange_modes_ext( mbedtls_ssl_context *ssl,
 static psa_algorithm_t ssl_tls13_ciphersuite_to_alg( mbedtls_ssl_context *ssl,
                                                      int ciphersuite )
 {
+    const mbedtls_ssl_ciphersuite_t *ciphersuite_info = NULL;
+    ciphersuite_info = mbedtls_ssl_ciphersuite_from_id( ciphersuite );
 
-    psa_algorithm_t psa_alg;
-    if( mbedtls_ssl_tls13_ciphersuite_to_alg(
-                    ssl, ciphersuite, &psa_alg ) != 0 )
+    if( mbedtls_ssl_validate_ciphersuite(
+                        ssl, ciphersuite_info,
+                        MBEDTLS_SSL_VERSION_TLS1_3,
+                        MBEDTLS_SSL_VERSION_TLS1_3 ) == 0 )
     {
-        /* ciphersuite is `ssl->session_negotiate->ciphersuite` or
-         * PSA_ALG_SHA256, both are validated before writting pre_shared_key.
-         */
-        MBEDTLS_SSL_DEBUG_MSG( 2, ( "should never happen" ) );
-        return( PSA_ALG_NONE );
+        return( mbedtls_psa_translate_md( ciphersuite_info->mac ) );
     }
-
-    return( psa_alg );
+    return( PSA_ALG_NONE );
 }
 
 #if defined(MBEDTLS_SSL_SESSION_TICKETS)
diff --git a/library/ssl_tls13_generic.c b/library/ssl_tls13_generic.c
index 56841c4ed1..abb7a14816 100644
--- a/library/ssl_tls13_generic.c
+++ b/library/ssl_tls13_generic.c
@@ -1485,36 +1485,4 @@ int mbedtls_ssl_tls13_generate_and_write_ecdh_key_exchange(
 }
 #endif /* MBEDTLS_ECDH_C */
 
-int mbedtls_ssl_tls13_ciphersuite_to_alg( mbedtls_ssl_context *ssl,
-                                          int ciphersuite,
-                                          psa_algorithm_t *psa_alg )
-{
-    const mbedtls_ssl_ciphersuite_t *ciphersuite_info = NULL;
-    psa_algorithm_t alg;
-
-    ciphersuite_info = mbedtls_ssl_ciphersuite_from_id( ciphersuite );
-    if( psa_alg )
-        *psa_alg = PSA_ALG_NONE;
-
-    if( mbedtls_ssl_validate_ciphersuite(
-                        ssl, ciphersuite_info,
-                        MBEDTLS_SSL_VERSION_TLS1_3,
-                        MBEDTLS_SSL_VERSION_TLS1_3 ) != 0 )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 4, ( "%d is not valid.", ciphersuite ) );
-        return( MBEDTLS_ERR_SSL_INVALID_MAC );
-    }
-
-    alg = mbedtls_psa_translate_md( ciphersuite_info->mac );
-    if( alg == PSA_ALG_NONE )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 4, ( "%d is not valid.", ciphersuite ) );
-        return( MBEDTLS_ERR_SSL_INVALID_MAC );
-    }
-
-    if( psa_alg )
-        *psa_alg = alg;
-    return( 0 );
-}
-
 #endif /* MBEDTLS_SSL_TLS_C && MBEDTLS_SSL_PROTO_TLS1_3 */