GHCi leaky abstraction: error message mentions `ghciStepIO`

$ ghci -fdefer-type-errors -ignore-dot-ghci
GHCi, version 7.10.0.20150316: http://www.haskell.org/ghc/  :? for help
Prelude> _

<interactive>:2:1: Warning:
    Found hole ‘_’ with type: IO t0
    Where: ‘t0’ is an ambiguous type variable
    In the first argument of ‘GHC.GHCi.ghciStepIO ::
                                IO a_aly -> IO a_aly’, namely
      ‘_’
    In a stmt of an interactive GHCi command:
      it <- GHC.GHCi.ghciStepIO :: IO a_aly -> IO a_aly _
*** Exception: <interactive>:2:1:
    Found hole ‘_’ with type: IO t0
    Where: ‘t0’ is an ambiguous type variable
    In the first argument of ‘GHC.GHCi.ghciStepIO ::
                                IO a_aly -> IO a_aly’, namely
      ‘_’
    In a stmt of an interactive GHCi command:
      it <- GHC.GHCi.ghciStepIO :: IO a_aly -> IO a_aly _
(deferred type error)
Prelude> 

It should ideally not expose ghciStepIO to the user.