diff --git a/src/poetry/core/spdx/helpers.py b/src/poetry/core/spdx/helpers.py
index 00d4bc6ea..fdcdaa44b 100644
--- a/src/poetry/core/spdx/helpers.py
+++ b/src/poetry/core/spdx/helpers.py
@@ -17,7 +17,7 @@ def license_by_id(identifier: str) -> License:
     )
 
 
-@functools.lru_cache()
+@functools.lru_cache
 def _load_licenses() -> dict[str, License]:
     licenses = {}
     licenses_file = os.path.join(os.path.dirname(__file__), "data", "licenses.json")
diff --git a/tests/integration/test_pep517.py b/tests/integration/test_pep517.py
index dbf9f879f..9be6308ec 100644
--- a/tests/integration/test_pep517.py
+++ b/tests/integration/test_pep517.py
@@ -1,7 +1,5 @@
 from __future__ import annotations
 
-import sys
-
 from pathlib import Path
 from typing import TYPE_CHECKING
 
diff --git a/tests/masonry/test_api.py b/tests/masonry/test_api.py
index 5eca036d0..49b25000f 100644
--- a/tests/masonry/test_api.py
+++ b/tests/masonry/test_api.py
@@ -1,8 +1,6 @@
 from __future__ import annotations
 
 import os
-import platform
-import sys
 import zipfile
 
 from contextlib import contextmanager
@@ -10,8 +8,6 @@
 from typing import TYPE_CHECKING
 from typing import Iterator
 
-import pytest
-
 from poetry.core import __version__
 from poetry.core.masonry import api
 from poetry.core.utils.helpers import temporary_directory