QFileSystemWatcher watching a directory prevents that directory from being modified or removed

I'm using QFileSystemWatcher to monitor directories for changes. However, I'm seeing behavior on my Windows 7 test machine where watched directories (but not subdirectories within them) are locked by the file system, and deletes are not allowed.

Under the documentation for QFileSystemWatcher, it is stated, "If path specifies a directory, the directoryChanged() signal will be emitted when path is modified or removed from disk;" This seems to imply that this is not intended functionality, to prevent watched directories from being removed.