import CostCentre ( CostCentreStack, CostCentre )
import VarSet ( IdSet, isEmptyVarSet )
import Var ( isId )
-import Id ( Id, idName, idPrimRep, idType, idCafInfo )
+import Id ( Id, idName, idType, idCafInfo )
import IdInfo ( mayHaveCafRefs )
import Name ( isDllName )
-import Literal ( Literal, literalType, literalPrimRep )
+import Literal ( Literal, literalType )
import ForeignCall ( ForeignCall )
import DataCon ( DataCon, dataConName )
import CoreSyn ( AltCon )