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-rw-r--r--compiler/utils/Outputable.lhs2
1 files changed, 0 insertions, 2 deletions
diff --git a/compiler/utils/Outputable.lhs b/compiler/utils/Outputable.lhs
index 7ffce77a47..93dfd33606 100644
--- a/compiler/utils/Outputable.lhs
+++ b/compiler/utils/Outputable.lhs
@@ -699,8 +699,6 @@ instance (Outputable key, Outputable elt) => Outputable (M.Map key elt) where
ppr m = ppr (M.toList m)
instance (Outputable elt) => Outputable (IM.IntMap elt) where
ppr m = ppr (IM.toList m)
-instance (PlatformOutputable elt) => PlatformOutputable (Set.Set elt) where
- pprPlatform platform m = pprPlatform platform (Set.toList m)
\end{code}
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