diff --git a/MarketDataLib/Generator/CMMomentum/CMBacktest.cs b/MarketDataLib/Generator/CMMomentum/CMBacktest.cs
index b6e8c19..4f30fd7 100644
--- a/MarketDataLib/Generator/CMMomentum/CMBacktest.cs
+++ b/MarketDataLib/Generator/CMMomentum/CMBacktest.cs
@@ -1,14 +1,9 @@
 using System;
 using System.Collections.Generic;
-using System.Text;
 using MarketData.MarketDataModel;
 using MarketData.DataAccess;
 using MarketData.Utils;
 using System.Linq;
-using MarketData.Helper;
-using MarketData.Numerical;
-using System.Threading;
-using MarketData.Integration;
 using MarketData.Generator.Momentum;
 using MarketData.Cache;
 using MarketData.Generator.Model;