slackbuilds/haskell/haskell-base-prelude/README

A library which aims to reexport all the non-conflicting and most
general definitions from the "base" package. This includes APIs for
applicatives, arrows, monoids, foldables, traversables, exceptions,
generics, ST, MVars and STM.

After uninstalling, run this command to unregister the package from
the ghc package database:   ghc-pkg recache