Follow hlint, remove language pragmas in libs. (#1478)

3 files changed, 1 insertions, 4 deletions

diff --git a/haddock-library/src/Documentation/Haddock/Parser/Identifier.hs b/haddock-library/src/Documentation/Haddock/Parser/Identifier.hs
index b8afb951..e39aabdd 100644
--- a/haddock-library/src/Documentation/Haddock/Parser/Identifier.hs
+++ b/haddock-library/src/Documentation/Haddock/Parser/Identifier.hs
@@ -1,5 +1,4 @@
 {-# LANGUAGE BangPatterns #-}
-{-# LANGUAGE ViewPatterns #-}
 -- |
 -- Module      :  Documentation.Haddock.Parser.Identifier
 -- Copyright   :  (c) Alec Theriault 2019,
diff --git a/haddock-library/src/Documentation/Haddock/Parser/Monad.hs b/haddock-library/src/Documentation/Haddock/Parser/Monad.hs
index 109e104e..582a0776 100644
--- a/haddock-library/src/Documentation/Haddock/Parser/Monad.hs
+++ b/haddock-library/src/Documentation/Haddock/Parser/Monad.hs
@@ -1,9 +1,7 @@
-{-# LANGUAGE GeneralizedNewtypeDeriving #-}
 {-# LANGUAGE FlexibleContexts #-}
 {-# LANGUAGE FlexibleInstances #-}
 {-# LANGUAGE TypeFamilies #-}
 {-# LANGUAGE BangPatterns #-}
-{-# LANGUAGE TypeSynonymInstances #-}
 -- |
 -- Module      :  Documentation.Haddock.Parser.Monad
 -- Copyright   :  (c) Alec Theriault 2018-2019,
diff --git a/haddock-library/src/Documentation/Haddock/Types.hs b/haddock-library/src/Documentation/Haddock/Types.hs
index 252eb425..22516864 100644
--- a/haddock-library/src/Documentation/Haddock/Types.hs
+++ b/haddock-library/src/Documentation/Haddock/Types.hs
@@ -1,4 +1,4 @@
-{-# LANGUAGE CPP, DeriveFunctor, DeriveFoldable, DeriveTraversable #-}
+{-# LANGUAGE CPP, DeriveTraversable #-}
 
 -- |
 -- Module      :  Documentation.Haddock.Types