Hi, Andreas, if you are right with your observation (which I don't doubt), than dh_installinfo/debhelper needs to care about creating an empty prerm script. It cannot be the task of package maintainers, which are affected by this transition to create and ship an empty prerm scripts for 2 releases (this is usually the time necssary to ship transition code in maintainer scripts). Better let dh_installinfo output some thing non-functional like
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