diff --git a/programs/fuzz/fuzz_client.c b/programs/fuzz/fuzz_client.c
index cbd9483f8e..ab2d134948 100644
--- a/programs/fuzz/fuzz_client.c
+++ b/programs/fuzz/fuzz_client.c
@@ -102,9 +102,6 @@ int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
     {
         mbedtls_ssl_conf_authmode( &conf, MBEDTLS_SSL_VERIFY_NONE );
     }
-#if defined(MBEDTLS_SSL_TRUNCATED_HMAC)
-    mbedtls_ssl_conf_truncated_hmac( &conf, (options & 8) ? MBEDTLS_SSL_TRUNC_HMAC_ENABLED : MBEDTLS_SSL_TRUNC_HMAC_DISABLED);
-#endif
 #if defined(MBEDTLS_SSL_EXTENDED_MASTER_SECRET)
     mbedtls_ssl_conf_extended_master_secret( &conf, (options & 0x10) ? MBEDTLS_SSL_EXTENDED_MS_DISABLED : MBEDTLS_SSL_EXTENDED_MS_ENABLED);
 #endif
diff --git a/programs/fuzz/fuzz_server.c b/programs/fuzz/fuzz_server.c
index 5480e3e876..e3bee2b65a 100644
--- a/programs/fuzz/fuzz_server.c
+++ b/programs/fuzz/fuzz_server.c
@@ -127,9 +127,6 @@ int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
                                             &ticket_ctx );
     }
 #endif
-#if defined(MBEDTLS_SSL_TRUNCATED_HMAC)
-    mbedtls_ssl_conf_truncated_hmac( &conf, (options & 0x8) ? MBEDTLS_SSL_TRUNC_HMAC_ENABLED : MBEDTLS_SSL_TRUNC_HMAC_DISABLED);
-#endif
 #if defined(MBEDTLS_SSL_EXTENDED_MASTER_SECRET)
     mbedtls_ssl_conf_extended_master_secret( &conf, (options & 0x10) ? MBEDTLS_SSL_EXTENDED_MS_DISABLED : MBEDTLS_SSL_EXTENDED_MS_ENABLED);
 #endif