diff --git a/tests/cli/test_application.py b/tests/cli/test_application.py
index 29da8f0..db1980c 100644
--- a/tests/cli/test_application.py
+++ b/tests/cli/test_application.py
@@ -1,7 +1,6 @@
 """Tests for the ``Application`` class."""
 
 import logging
-import os
 from pathlib import Path
 from unittest import TestCase
 
diff --git a/tests/settings/test_applicationsettings.py b/tests/settings/test_applicationsettings.py
index 191c4ae..96b160c 100644
--- a/tests/settings/test_applicationsettings.py
+++ b/tests/settings/test_applicationsettings.py
@@ -5,8 +5,6 @@
 from tempfile import NamedTemporaryFile
 from unittest import TestCase
 
-from pydantic import ValidationError
-
 from quota_notifier.settings import ApplicationSettings
 from tests.base import DefaultSetupTeardown
 
diff --git a/tests/settings/test_filesystemschema.py b/tests/settings/test_filesystemschema.py
index 2ee5bff..401d1be 100644
--- a/tests/settings/test_filesystemschema.py
+++ b/tests/settings/test_filesystemschema.py
@@ -4,8 +4,6 @@
 from pathlib import Path
 from unittest import TestCase
 
-from pydantic import ValidationError
-
 from quota_notifier.disk_utils import QuotaFactory
 from quota_notifier.settings import FileSystemSchema
 from tests.base import DefaultSetupTeardown