suidunregister: command not found

[xsdg <xsdg@softhome.net>]

I'm trying to remove obsolete perl packages, but I encountered this:

>10:10:28> [xsdg@~]$sudo dpkg --purge perl-5.004-suid
>(Reading database ... 90654 files and directories currently installed.)
>Removing perl-5.004-suid ...
>/var/lib/dpkg/info/perl-5.004-suid.postrm: suidunregister: command not found
>dpkg: error processing perl-5.004-suid (--purge):
> subprocess post-removal script returned error exit status 127
>Errors were encountered while processing:
> perl-5.004-suid

How can I fix this/manually remove perl-5.004-suid (I have suidregister, but it doesn't have a manpage)
	--xsdg

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