可以将文件移动到撤销子目录（向文件名追加时间戳或不追加时间戳），或者可以将文件删除。

The file can be moved to a Backout Subdirectory (with or without a timestamp appended to the file name), or can be deleted.

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不过，不会从文件系统上的模块子目录中删除代码；您必须手动执行这个步骤。

However, it does not remove code from the modules subdirectory on the file system; you must perform that step manually.

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删除以下子目录中的所有内容。

Delete the entire content of the following sub-directories.

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