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-rw-r--r--src/Text/Pandoc/MediaBag.hs4
1 files changed, 0 insertions, 4 deletions
diff --git a/src/Text/Pandoc/MediaBag.hs b/src/Text/Pandoc/MediaBag.hs
index a962db674..6f4cb8fee 100644
--- a/src/Text/Pandoc/MediaBag.hs
+++ b/src/Text/Pandoc/MediaBag.hs
@@ -51,11 +51,7 @@ import Text.Pandoc.MIME (MimeType, getMimeTypeDef)
-- can be used for an empty 'MediaBag', and '<>' can be used to append
-- two 'MediaBag's.
newtype MediaBag = MediaBag (M.Map [String] (MimeType, BL.ByteString))
-#if MIN_VERSION_base(4,9,0)
deriving (Semigroup, Monoid, Data, Typeable)
-#else
- deriving (Monoid, Data, Typeable)
-#endif
instance Show MediaBag where
show bag = "MediaBag " ++ show (mediaDirectory bag)