diff --git a/LSL2/STPROC/TEST_RUN_SERVICES.txt b/LSL2/STPROC/TEST_RUN_SERVICES.txt
index 7c69131..e140941 100644
--- a/LSL2/STPROC/TEST_RUN_SERVICES.txt
+++ b/LSL2/STPROC/TEST_RUN_SERVICES.txt
@@ -364,7 +364,7 @@ Service CreateTestRunRecord(RunTypeID, EqpType, EqpID, PSNo, RDSNo, UserID)
     end
 end service
 
-Service CreateTestRunWaferRecord(TestRunID, TWPartID, TWUsageTypeID, SourceLotID, Username)
+Service CreateTestRunWaferRecord(TestRunID, TWPartID, TWUsageTypeID, SourceLotID)
     ErrorMessage = ''
     If TestRunID NE '' AND TWPartID NE '' then
         If RowExists('TEST_RUN', TestRunID) then
@@ -384,9 +384,6 @@ Service CreateTestRunWaferRecord(TestRunID, TWPartID, TWUsageTypeID, SourceLotID
                 Logging_Services('AppendLog', objLogTR, LogData, @FM, @VM)
                 //Increment Usage in TEST_WAFER_PROD Record
                 Test_Run_Services('IncrementTWProdUsage', TWPartID)
-                If SourceLotID NE '' then
-                                    Test_Run_Services('UseTWFromLot', SourceLotId, 1, Username)
-                end
                 Response      = TRWaferKey
             end else
                 ErrorMessage := 'Error writing TEST_RUN_WAFER record with key of ' : TRWaferKey '. '