How can I remove a desktop shortcut by Innosetup? It's created by previous version and not needed anymore. I tried delete it in [InstallDelete]

[InstallDelete]
Type: files; Name: {userdesktop}\Shortcut Name

and delete the file in "ssInstall" of CurStepChanged event handler

DeleteFile(ExpandConstant('{userdesktop}\Shortcut Name'));

But they don't work. Any suggestion is appreciated!

inno-setup shortcut-file
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