diff --git a/tests/hla_algorithm_test.py b/tests/hla_algorithm_test.py
index 0ff5e70..4d68e7e 100644
--- a/tests/hla_algorithm_test.py
+++ b/tests/hla_algorithm_test.py
@@ -4,7 +4,7 @@
 from io import StringIO
 from pathlib import Path
 from typing import Optional, cast
-from unittest.mock import MagicMock, _Call, patch
+from unittest.mock import MagicMock, _Call
 
 import numpy as np
 import pytest
diff --git a/tests/interpret_from_json_lib_test.py b/tests/interpret_from_json_lib_test.py
index ef2cc88..6befef8 100644
--- a/tests/interpret_from_json_lib_test.py
+++ b/tests/interpret_from_json_lib_test.py
@@ -377,9 +377,7 @@ def test_hla_match_adaptor_from_match_details(
     raw_mismatches: list[HLAMismatch],
     raw_expected_result: list[str],
 ):
-    match_details: HLAMatchDetails = HLAMatchDetails(
-        mismatch_count=len(raw_mismatches), mismatches=raw_mismatches
-    )
+    match_details: HLAMatchDetails = HLAMatchDetails(mismatches=raw_mismatches)
     expected_result: HLAMatchAdaptor = HLAMatchAdaptor(
         mismatch_count=len(raw_expected_result), mismatches=raw_expected_result
     )