diff --git a/scripts/backtest_metar_calibrated_path.py b/scripts/backtest_metar_calibrated_path.py
index d388c9a5..e58f17f3 100644
--- a/scripts/backtest_metar_calibrated_path.py
+++ b/scripts/backtest_metar_calibrated_path.py
@@ -21,12 +21,11 @@ import argparse
 import csv
 import json
 import math
-import os
 import sqlite3
 import statistics
 import sys
 from dataclasses import dataclass
-from datetime import datetime, timedelta
+from datetime import datetime
 from pathlib import Path
 from typing import Any, Iterable