From f0b6e0ee4970c2338159c376935d375f4aeda1dc Mon Sep 17 00:00:00 2001
From: John MacFarlane <jgm@berkeley.edu>
Date: Fri, 16 Mar 2018 12:11:51 -0700
Subject: Monoid/Semiground cleanup relying on custom Prelude.

---
 src/Text/Pandoc/Class.hs | 4 ----
 1 file changed, 4 deletions(-)

(limited to 'src/Text/Pandoc/Class.hs')

diff --git a/src/Text/Pandoc/Class.hs b/src/Text/Pandoc/Class.hs
index f7544433c..40927252f 100644
--- a/src/Text/Pandoc/Class.hs
+++ b/src/Text/Pandoc/Class.hs
@@ -923,11 +923,7 @@ data FileInfo = FileInfo { infoFileMTime :: UTCTime
                          }
 
 newtype FileTree = FileTree {unFileTree :: M.Map FilePath FileInfo}
-#if MIN_VERSION_base(4,9,0)
   deriving (Semigroup, Monoid)
-#else
-  deriving (Monoid)
-#endif
 
 getFileInfo :: FilePath -> FileTree -> Maybe FileInfo
 getFileInfo fp tree =
-- 
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