SlackBuildsOrg/haskell/haskell-FindBin

This module locates the full directory to the running program, to
allow the use of paths relative to it. FindBin supports invocation
of Haskell programs via ghci, via runhaskell/runghc, as well as
compiled as an executable.

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