diff --git a/freqtrade/optimize/backtesting.py b/freqtrade/optimize/backtesting.py
index b8f63d006..cc7dbb1fb 100644
--- a/freqtrade/optimize/backtesting.py
+++ b/freqtrade/optimize/backtesting.py
@@ -8,6 +8,7 @@ from collections import defaultdict
 from copy import deepcopy
 from datetime import datetime, timedelta, timezone
 from typing import Any, Dict, List, Optional, Tuple
+import pickle
 
 from numpy import nan
 from pandas import DataFrame
diff --git a/freqtrade/optimize/optimize_reports.py b/freqtrade/optimize/optimize_reports.py
index a97a6cf0f..4265ca70d 100644
--- a/freqtrade/optimize/optimize_reports.py
+++ b/freqtrade/optimize/optimize_reports.py
@@ -3,6 +3,7 @@ from copy import deepcopy
 from datetime import datetime, timedelta, timezone
 from pathlib import Path
 from typing import Any, Dict, List, Union
+import pickle
 
 from numpy import int64
 from pandas import DataFrame, to_datetime