diff --git a/freqtrade/optimize/hyperopt_loss/hyperopt_loss_calmar.py b/freqtrade/optimize/hyperopt_loss/hyperopt_loss_calmar.py
index 1f7f8488f..b8935b08e 100644
--- a/freqtrade/optimize/hyperopt_loss/hyperopt_loss_calmar.py
+++ b/freqtrade/optimize/hyperopt_loss/hyperopt_loss_calmar.py
@@ -5,8 +5,6 @@ This module defines the alternative HyperOptLoss class which can be used for
 Hyperoptimization.
 """
 from datetime import datetime
-from math import sqrt as msqrt
-from typing import Any, Dict
 
 from pandas import DataFrame
 
diff --git a/freqtrade/optimize/hyperopt_loss/hyperopt_loss_sharpe.py b/freqtrade/optimize/hyperopt_loss/hyperopt_loss_sharpe.py
index aff4e5787..f6798b69a 100644
--- a/freqtrade/optimize/hyperopt_loss/hyperopt_loss_sharpe.py
+++ b/freqtrade/optimize/hyperopt_loss/hyperopt_loss_sharpe.py
@@ -6,13 +6,13 @@ Hyperoptimization.
 """
 from datetime import datetime
 
-import numpy as np
 from pandas import DataFrame
 
 from freqtrade.optimize.hyperopt import IHyperOptLoss
 from freqtrade.constants import Config
 from freqtrade.data.metrics import calculate_sharpe
 
+
 class SharpeHyperOptLoss(IHyperOptLoss):
     """
     Defines the loss function for hyperopt.
diff --git a/freqtrade/optimize/hyperopt_loss/hyperopt_loss_sortino.py b/freqtrade/optimize/hyperopt_loss/hyperopt_loss_sortino.py
index 1d9914f7f..64a332e9a 100644
--- a/freqtrade/optimize/hyperopt_loss/hyperopt_loss_sortino.py
+++ b/freqtrade/optimize/hyperopt_loss/hyperopt_loss_sortino.py
@@ -6,13 +6,13 @@ Hyperoptimization.
 """
 from datetime import datetime
 
-import numpy as np
 from pandas import DataFrame
 
 from freqtrade.optimize.hyperopt import IHyperOptLoss
 from freqtrade.constants import Config
 from freqtrade.data.metrics import calculate_sortino
 
+
 class SortinoHyperOptLoss(IHyperOptLoss):
     """
     Defines the loss function for hyperopt.