When Cross-Component trace adds data to log files, and if enabled with data capture, additional files are created in the logs\XCT directory. The data added to the systemout.log and trace.log files does not need to be deleted as these files are automatically deleted by WebSphere® Application Server. The data capture files need to be deleted from the logs\XCT directory manually when they are no longer needed. Delete these files after using WebSphere Integration Developer for problem determination or after the log files that refer to the files have been deleted by WebSphere Application Server.