在perforce中，如何删除未提交的NEW / ADDED文件的挂起更改？

I am trying to remove a pending changelist in perforce. All the files (20 old) are new but have not be committed/submitted yet. So in p4Win, they show a RED + cross. I am failing to remove these files from the change list. How do I go about getting rid of these files?I am trying to remove a pending changelist in p