SlackBuildsOrg/haskell/haskell-conduit-extra

The conduit package itself maintains relative small dependencies. The
purpose of this package is to collect commonly used utility
functions wrapping other library dependencies, without depending
on heavier-weight dependencies. The basic idea is that this package
should only depend on haskell-platform packages and conduit.

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