diff --git a/tests/optimize/test_backtesting.py b/tests/optimize/test_backtesting.py
index 094aa5343..c11a1dc55 100644
--- a/tests/optimize/test_backtesting.py
+++ b/tests/optimize/test_backtesting.py
@@ -3,7 +3,6 @@
 import random
 from copy import deepcopy
 from datetime import datetime, timedelta, timezone
-from math import isclose
 from pathlib import Path
 from unittest.mock import MagicMock, PropertyMock