diff --git a/src/logsift/parser.py b/src/logsift/parser.py
index 387402f..5011a5c 100644
--- a/src/logsift/parser.py
+++ b/src/logsift/parser.py
@@ -1,10 +1,8 @@
 import re
-import os
-import sys
 import json
 from dataclasses import dataclass, field, asdict
-from datetime import datetime, timezone, timedelta
-from typing import Any, Dict, Iterable, Iterator, List, Optional, Tuple, Union
+from datetime import datetime, timezone
+from typing import Any, Dict, Iterable, Iterator, List, Optional, Tuple
 from urllib.parse import urlsplit, parse_qs
 
 
diff --git a/src/logsift/utils.py b/src/logsift/utils.py
index a0ff79d..c9f2ad6 100644
--- a/src/logsift/utils.py
+++ b/src/logsift/utils.py
@@ -1,9 +1,8 @@
-import os
 import sys
 import gzip
 import io
 from pathlib import Path
-from typing import Any, Iterable, Iterator, List, Optional, Sequence, TextIO
+from typing import Any, Iterator, Optional, Sequence, TextIO
 
 
 def human_bytes(n: int) -> str:
diff --git a/tests/test_cli.py b/tests/test_cli.py
index 8576a03..76dc4a0 100644
--- a/tests/test_cli.py
+++ b/tests/test_cli.py
@@ -1,7 +1,6 @@
 import gzip
 import json
 
-import pytest
 
 from logsift.cli import main