diff --git a/scripts/mbedtls_framework/bignum_mod.py b/scripts/mbedtls_framework/bignum_mod.py
index f554001ec..cf9daf66e 100644
--- a/scripts/mbedtls_framework/bignum_mod.py
+++ b/scripts/mbedtls_framework/bignum_mod.py
@@ -3,7 +3,7 @@
 # SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
 #
 
-from typing import Dict, List
+from typing import List
 
 from . import test_data_generation
 from . import bignum_common