-import TyCon ( isNewTyCon, tyConDataCons, tyConArity )
-import DataCon ( DataCon, dataConSourceArity, dataConTyCon, dataConTag, dataConRepArgTys )
+import TyCon ( isNewTyCon, tyConDataCons )
+import DataCon ( DataCon, dataConSourceArity, dataConTyCon, dataConTag )