diff --git a/MarketDataLib/Generator/MGSHMomentum/MGSHBacktest.cs b/MarketDataLib/Generator/MGSHMomentum/MGSHBacktest.cs
index 1acff08..2631753 100644
--- a/MarketDataLib/Generator/MGSHMomentum/MGSHBacktest.cs
+++ b/MarketDataLib/Generator/MGSHMomentum/MGSHBacktest.cs
@@ -1295,7 +1295,6 @@ namespace MarketData.Generator.MGSHMomentum
     {
       try
       {
-        MGSHSessionManager sessionManager=new MGSHSessionManager();
         if(!MGSHSessionManager.SessionAvailable(PathSessionFileName))return null;
         MDTrace.WriteLine(LogLevel.DEBUG,String.Format("Restoring session from '{0}'",PathSessionFileName));
         MGSHSessionParams sessionParams=MGSHSessionManager.RestoreSession(PathSessionFileName);
@@ -1323,7 +1322,6 @@ namespace MarketData.Generator.MGSHMomentum
     {
       MDTrace.WriteLine(LogLevel.DEBUG,String.Format("Saving session to '{0}'",PathSessionFileName));
       MGSHSessionParams sessionParams=new MGSHSessionParams();
-      MGSHSessionManager sessionManager=new MGSHSessionManager();
       sessionParams.LastUpdated=Today();
       sessionParams.TradeDate=TradeDate;
       sessionParams.StartDate=StartDate;
@@ -1338,7 +1336,7 @@ namespace MarketData.Generator.MGSHMomentum
       sessionParams.CashBalance=CashBalance;
       sessionParams.NonTradeableCash=NonTradeableCash;
       sessionParams.HedgeCashBalance=HedgeCashBalance;
-      sessionManager.SaveSession(sessionParams,PathSessionFileName);
+      MGSHSessionManager.SaveSession(sessionParams,PathSessionFileName);
     }
 
     public bool BackupSession()
@@ -1347,7 +1345,6 @@ namespace MarketData.Generator.MGSHMomentum
       String backupFileName=parts[0]+"_"+Utility.DateTimeToStringYYYYMMDDMMSSTT(DateTime.Now)+".bak";
       MDTrace.WriteLine(LogLevel.DEBUG,String.Format("Saving session to '{0}'",backupFileName));
       MGSHSessionParams sessionParams=new MGSHSessionParams();
-      MGSHSessionManager sessionManager=new MGSHSessionManager();
       sessionParams.LastUpdated=Today();
       sessionParams.TradeDate=TradeDate;
       sessionParams.StartDate=StartDate;
@@ -1362,7 +1359,7 @@ namespace MarketData.Generator.MGSHMomentum
       sessionParams.CashBalance=CashBalance;
       sessionParams.NonTradeableCash=NonTradeableCash;
       sessionParams.HedgeCashBalance=HedgeCashBalance;
-      return sessionManager.SaveSession(sessionParams,backupFileName);
+      return MGSHSessionManager.SaveSession(sessionParams,backupFileName);
     }
   }
 }