import CoreSyn
import CoreUtils
import CoreFVs
-import CoreMonad ( CoreM, getHscEnv, liftIO )
+import CoreMonad ( CoreM, getHscEnv )
import DataCon
import TyCon
import Type
import Id
import OccName
-import DsMonad
-
import Literal ( Literal, mkMachInt )
import TysWiredIn