diff --git a/ghc/compiler/basicTypes/Id.lhs b/ghc/compiler/basicTypes/Id.lhs
index 6b22f12b4425229f2c465097af3e417036f5dc68..e1fd2a09cfc2764a074dd8d07b791823dc0290cb 100644
--- a/ghc/compiler/basicTypes/Id.lhs
+++ b/ghc/compiler/basicTypes/Id.lhs
@@ -85,6 +85,7 @@ module Id (
 	
 	-- PRINTING and RENUMBERING
 	pprId,
+--	pprIdInUnfolding,
 	showId,
 
 	-- Specialialisation