diff --git a/compiler/basicTypes/OccName.hs b/compiler/basicTypes/OccName.hs
index 3ea3aa41059acc884e6dc8b999de8b2f99ee736f..c3f0c9ffcbaee2d34936f8ce46de975987f2968d 100644
--- a/compiler/basicTypes/OccName.hs
+++ b/compiler/basicTypes/OccName.hs
@@ -853,9 +853,7 @@ tidyOccName env occ@(OccName occ_sp fs)
                        --    1, add 1, add 2, add 3, etc which
                        -- moves at quadratic speed through a dense patch
 
-          Nothing -> (if k>5 then pprTrace "tidyOccName" (ppr k $$ ppr occ $$ ppr new_fs)
-                             else \x -> x)
-                     (new_env, OccName occ_sp new_fs)
+          Nothing -> (new_env, OccName occ_sp new_fs)
        where
          new_fs = mkFastString (base ++ show n)
          new_env = addToUFM (addToUFM env new_fs 1) base1 (n+1)