Avoid unnecessary use of NoImplicitPrelude pragma (#7089)

59 files changed, 1 insertions, 112 deletions

diff --git a/app/pandoc.hs b/app/pandoc.hs
index 162570f18..0e30f45d1 100644
--- a/app/pandoc.hs
+++ b/app/pandoc.hs
@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {- |
    Module      : Main
    Copyright   : Copyright (C) 2006-2021 John MacFarlane
@@ -12,7 +11,6 @@ Parses command-line options and calls the appropriate readers and
 writers.
 -}
 module Main where
-import Prelude
 import qualified Control.Exception as E
 import Text.Pandoc.App (convertWithOpts, defaultOpts, options, parseOptions)
 import Text.Pandoc.Error (handleError)
diff --git a/benchmark/benchmark-pandoc.hs b/benchmark/benchmark-pandoc.hs
index 045573273..496732693 100644
--- a/benchmark/benchmark-pandoc.hs
+++ b/benchmark/benchmark-pandoc.hs
@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE OverloadedStrings #-}
 {-
 Copyright (C) 2012-2021 John MacFarlane <jgm@berkeley.edu>
@@ -17,7 +16,6 @@ You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 -}
-import Prelude
 import Text.Pandoc
 import Text.Pandoc.MIME
 import Control.Monad.Except (throwError, liftIO)
diff --git a/benchmark/weigh-pandoc.hs b/benchmark/weigh-pandoc.hs
index ad4c83ad7..b77fa9ee9 100644
--- a/benchmark/weigh-pandoc.hs
+++ b/benchmark/weigh-pandoc.hs
@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE OverloadedStrings #-}
 {- |
    Module      : Main
@@ -11,7 +10,6 @@
 
 Benchmarks to determine resource use of readers and writers.
 -}
-import Prelude
 import Weigh
 import Text.Pandoc
 import Data.Text (Text, unpack)
diff --git a/pandoc.cabal b/pandoc.cabal
index 7696e22b3..72e7c2da5 100644
--- a/pandoc.cabal
+++ b/pandoc.cabal
@@ -400,7 +400,6 @@ common common-options
   default-language: Haskell2010
   build-depends:    base         >= 4.9 && < 5,
                     text         >= 1.1.1.0 && < 1.3
-  other-extensions: NoImplicitPrelude
   ghc-options:      -Wall -fno-warn-unused-do-bind
                     -Wincomplete-record-updates
                     -Wnoncanonical-monad-instances
@@ -409,6 +408,7 @@ common common-options
     hs-source-dirs:   prelude
     other-modules:    Prelude
     build-depends:    base-compat >= 0.9
+    other-extensions: NoImplicitPrelude
 
   if os(windows)
     cpp-options:      -D_WINDOWS
diff --git a/src/Text/Pandoc/UTF8.hs b/src/Text/Pandoc/UTF8.hs
index b583dbbdb..567f5abe5 100644
--- a/src/Text/Pandoc/UTF8.hs
+++ b/src/Text/Pandoc/UTF8.hs
@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE OverloadedStrings #-}
 {- |
    Module      : Text.Pandoc.UTF8
diff --git a/test/Tests/Command.hs b/test/Tests/Command.hs
index 8118e9759..07d825f73 100644
--- a/test/Tests/Command.hs
+++ b/test/Tests/Command.hs
@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE TupleSections #-}
 {- |
    Module      : Tests.Command
@@ -14,7 +13,6 @@ Run commands, and test results, defined in markdown files.
 module Tests.Command (runTest, tests)
 where
 
-import Prelude
 import Data.Algorithm.Diff
 import System.Environment.Executable (getExecutablePath)
 import qualified Data.ByteString as BS
diff --git a/test/Tests/Helpers.hs b/test/Tests/Helpers.hs
index 813c80adb..31e727a66 100644
--- a/test/Tests/Helpers.hs
+++ b/test/Tests/Helpers.hs
@@ -1,5 +1,4 @@
 {-# LANGUAGE CPP #-}
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE FlexibleInstances    #-}
 {- |
    Module      : Tests.Helpers
@@ -22,7 +21,6 @@ module Tests.Helpers ( test
                      )
                      where
 
-import Prelude
 import Data.Algorithm.Diff
 import qualified Data.Map as M
 import Data.Text (Text, unpack)
diff --git a/test/Tests/Lua.hs b/test/Tests/Lua.hs
index 1dfbbd053..31c011900 100644
--- a/test/Tests/Lua.hs
+++ b/test/Tests/Lua.hs
@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE OverloadedStrings #-}
 {-# LANGUAGE ScopedTypeVariables #-}
 {- |
@@ -14,7 +13,6 @@ Unit and integration tests for pandoc's Lua subsystem.
 -}
 module Tests.Lua ( runLuaTest, tests ) where
 
-import Prelude
 import Control.Monad (when)
 import System.FilePath ((</>))
 import Test.Tasty (TestTree, localOption)
diff --git a/test/Tests/Old.hs b/test/Tests/Old.hs
index a031700a6..17ece49fd 100644
--- a/test/Tests/Old.hs
+++ b/test/Tests/Old.hs
@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE TupleSections #-}
 {- |
    Module      : Tests.Old
@@ -13,7 +12,6 @@
 -}
 module Tests.Old (tests) where
 
-import Prelude
 import Data.Algorithm.Diff
 import System.Exit
 import System.FilePath ((<.>), (</>))
diff --git a/test/Tests/Readers/Creole.hs b/test/Tests/Readers/Creole.hs
index 1fc0e62d7..3320b78e8 100644
--- a/test/Tests/Readers/Creole.hs
+++ b/test/Tests/Readers/Creole.hs
@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE OverloadedStrings #-}
 {- |
    Module      : Tests.Readers.Creole
@@ -14,7 +13,6 @@ Tests for the creole reader.
 -}
 module Tests.Readers.Creole (tests) where
 
-import Prelude
 import Data.Text (Text)
 import qualified Data.Text as T
 import Test.Tasty
diff --git a/test/Tests/Readers/Docx.hs b/test/Tests/Readers/Docx.hs
index 12007f502..263e04173 100644
--- a/test/Tests/Readers/Docx.hs
+++ b/test/Tests/Readers/Docx.hs
@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE OverloadedStrings #-}
 {- |
    Module      : Tests.Readers.Docx
@@ -13,7 +12,6 @@ Tests for the word docx reader.
 -}
 module Tests.Readers.Docx (tests) where
 
-import Prelude
 import Codec.Archive.Zip
 import qualified Data.ByteString as BS
 import qualified Data.ByteString.Lazy as B
diff --git a/test/Tests/Readers/DokuWiki.hs b/test/Tests/Readers/DokuWiki.hs
index d5f0c45a9..84ba86d46 100644
--- a/test/Tests/Readers/DokuWiki.hs
+++ b/test/Tests/Readers/DokuWiki.hs
@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE OverloadedStrings   #-}
 {-# LANGUAGE ScopedTypeVariables #-}
 {- |
@@ -14,7 +13,6 @@ Tests for DokuWiki reader.
 -}
 module Tests.Readers.DokuWiki (tests) where
 
-import Prelude
 import Data.Text (Text)
 import qualified Data.Text as T
 import Test.Tasty
diff --git a/test/Tests/Readers/EPUB.hs b/test/Tests/Readers/EPUB.hs
index 3c75dd08d..13e239911 100644
--- a/test/Tests/Readers/EPUB.hs
+++ b/test/Tests/Readers/EPUB.hs
@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {- |
    Module      : Tests.Readers.EPUB
    Copyright   : © 2006-2021 John MacFarlane
@@ -12,7 +11,6 @@ Tests for the EPUB mediabag.
 -}
 module Tests.Readers.EPUB (tests) where
 
-import Prelude
 import qualified Data.ByteString.Lazy as BL
 import qualified Data.Text as T
 import Test.Tasty
diff --git a/test/Tests/Readers/FB2.hs b/test/Tests/Readers/FB2.hs
index fbb2e2150..42054a235 100644
--- a/test/Tests/Readers/FB2.hs
+++ b/test/Tests/Readers/FB2.hs
@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {- |
    Module      : Tests.Readers.FB2
    Copyright   : © 2018-2020 Alexander Krotov
@@ -12,7 +11,6 @@ Tests for the EPUB mediabag.
 -}
 module Tests.Readers.FB2 (tests) where
 
-import Prelude
 import Test.Tasty
 import Tests.Helpers
 import Test.Tasty.Golden (goldenVsString)
diff --git a/test/Tests/Readers/HTML.hs b/test/Tests/Readers/HTML.hs
index 578c76860..f23af2cb1 100644
--- a/test/Tests/Readers/HTML.hs
+++ b/test/Tests/Readers/HTML.hs
@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE OverloadedStrings #-}
 {- |
    Module      : Tests.Readers.HTML
@@ -13,7 +12,6 @@ Tests for the HTML reader.
 -}
 module Tests.Readers.HTML (tests) where
 
-import Prelude
 import Data.Text (Text)
 import qualified Data.Text as T
 import Test.Tasty
diff --git a/test/Tests/Readers/JATS.hs b/test/Tests/Readers/JATS.hs
index 3c61f602f..525499c86 100644
--- a/test/Tests/Readers/JATS.hs
+++ b/test/Tests/Readers/JATS.hs
@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE OverloadedStrings #-}
 {- |
    Module      : Tests.Readers.JATS
@@ -13,7 +12,6 @@ Tests for the JATS reader.
 -}
 module Tests.Readers.JATS (tests) where
 
-import Prelude
 import Data.Text (Text)
 import Test.Tasty
 import Tests.Helpers
diff --git a/test/Tests/Readers/Jira.hs b/test/Tests/Readers/Jira.hs
index bf78fe1fe..e170d2aaa 100644
--- a/test/Tests/Readers/Jira.hs
+++ b/test/Tests/Readers/Jira.hs
@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE OverloadedStrings   #-}
 {-# LANGUAGE ScopedTypeVariables #-}
 {- |
diff --git a/test/Tests/Readers/LaTeX.hs b/test/Tests/Readers/LaTeX.hs
index 2a52ffd18..77104c853 100644
--- a/test/Tests/Readers/LaTeX.hs
+++ b/test/Tests/Readers/LaTeX.hs
@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE OverloadedStrings #-}
 {- |
    Module      : Tests.Readers.LaTeX
@@ -13,7 +12,6 @@ Tests for the LaTeX reader.
 -}
 module Tests.Readers.LaTeX (tests) where
 
-import Prelude
 import Data.Text (Text)
 import qualified Data.Text as T
 import qualified Text.Pandoc.UTF8 as UTF8
diff --git a/test/Tests/Readers/Man.hs b/test/Tests/Readers/Man.hs
index 4f3ab5a28..d36151d58 100644
--- a/test/Tests/Readers/Man.hs
+++ b/test/Tests/Readers/Man.hs
@@ -13,7 +13,6 @@ Tests for the Man reader.
 -}
 module Tests.Readers.Man (tests) where
 
-import Prelude
 import Data.Text (Text)
 import Test.Tasty
 import Tests.Helpers
diff --git a/test/Tests/Readers/Markdown.hs b/test/Tests/Readers/Markdown.hs
index 18f909583..0930deae6 100644
--- a/test/Tests/Readers/Markdown.hs
+++ b/test/Tests/Readers/Markdown.hs
@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE OverloadedStrings #-}
 {- |
    Module      : Tests.Readers.Markdown
@@ -13,7 +12,6 @@ Tests for the Markdown reader.
 -}
 module Tests.Readers.Markdown (tests) where
 
-import Prelude
 import Data.Text (Text, unpack)
 import qualified Data.Text as T
 import Test.Tasty
diff --git a/test/Tests/Readers/Muse.hs b/test/Tests/Readers/Muse.hs
index 4ec1631e0..68bdc87b4 100644
--- a/test/Tests/Readers/Muse.hs
+++ b/test/Tests/Readers/Muse.hs
@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE OverloadedStrings #-}
 {- |
    Module      : Tests.Readers.Muse
@@ -13,7 +12,6 @@ Tests for the Muse reader.
 -}
 module Tests.Readers.Muse (tests) where
 
-import Prelude
 import Data.List (intersperse)
 import Data.Monoid (Any (..))
 import Data.Text (Text)
diff --git a/test/Tests/Readers/Odt.hs b/test/Tests/Readers/Odt.hs
index f5e427ba2..9b5ec6b9e 100644
--- a/test/Tests/Readers/Odt.hs
+++ b/test/Tests/Readers/Odt.hs
@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE OverloadedStrings #-}
 {- |
    Module      : Tests.Readers.Odt
@@ -14,7 +13,6 @@ Tests for the ODT reader.
 -}
 module Tests.Readers.Odt (tests) where
 
-import Prelude
 import Control.Monad (liftM)
 import qualified Data.ByteString as BS
 import qualified Data.ByteString.Lazy as B
diff --git a/test/Tests/Readers/Org/Block.hs b/test/Tests/Readers/Org/Block.hs
index 2ce07c4bb..779563794 100644
--- a/test/Tests/Readers/Org/Block.hs
+++ b/test/Tests/Readers/Org/Block.hs
@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE OverloadedStrings #-}
 {- |
    Module      : Tests.Readers.Org.Block
@@ -13,7 +12,6 @@ Tests parsing of org blocks.
 -}
 module Tests.Readers.Org.Block (tests) where
 
-import Prelude
 import Test.Tasty (TestTree, testGroup)
 import Tests.Helpers ((=?>))
 import Tests.Readers.Org.Shared ((=:), spcSep)
diff --git a/test/Tests/Readers/Org/Block/CodeBlock.hs b/test/Tests/Readers/Org/Block/CodeBlock.hs
index d40c3bc1d..6b83ec6a9 100644
--- a/test/Tests/Readers/Org/Block/CodeBlock.hs
+++ b/test/Tests/Readers/Org/Block/CodeBlock.hs
@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE OverloadedStrings #-}
 {- |
    Module      : Tests.Readers.Org.Block.CodeBlock
@@ -13,7 +12,6 @@ Test parsing of org code blocks.
 -}
 module Tests.Readers.Org.Block.CodeBlock (tests) where
 
-import Prelude
 import Test.Tasty (TestTree)
 import Tests.Helpers ((=?>))
 import Tests.Readers.Org.Shared ((=:), spcSep)
diff --git a/test/Tests/Readers/Org/Block/Figure.hs b/test/Tests/Readers/Org/Block/Figure.hs
index 8822f5b03..eb5be1c2b 100644
--- a/test/Tests/Readers/Org/Block/Figure.hs
+++ b/test/Tests/Readers/Org/Block/Figure.hs
@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE OverloadedStrings #-}
 {- |
    Module      : Tests.Readers.Org.Block.Figure
@@ -13,7 +12,6 @@ Test parsing of org figures.
 -}
 module Tests.Readers.Org.Block.Figure (tests) where
 
-import Prelude
 import Test.Tasty (TestTree)
 import Tests.Helpers ((=?>))
 import Tests.Readers.Org.Shared ((=:))
diff --git a/test/Tests/Readers/Org/Block/Header.hs b/test/Tests/Readers/Org/Block/Header.hs
index 887055451..1344ad79b 100644
--- a/test/Tests/Readers/Org/Block/Header.hs
+++ b/test/Tests/Readers/Org/Block/Header.hs
@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE OverloadedStrings #-}
 {- |
    Module      : Tests.Readers.Org.Block.Header
@@ -13,7 +12,6 @@ Test parsing of org header blocks.
 -}
 module Tests.Readers.Org.Block.Header (tests) where
 
-import Prelude
 import Test.Tasty (TestTree, testGroup)
 import Tests.Helpers ((=?>))
 import Tests.Readers.Org.Shared ((=:), spcSep, tagSpan)
diff --git a/test/Tests/Readers/Org/Block/List.hs b/test/Tests/Readers/Org/Block/List.hs
index ac03c583b..9686b5148 100644
--- a/test/Tests/Readers/Org/Block/List.hs
+++ b/test/Tests/Readers/Org/Block/List.hs
@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE OverloadedStrings #-}
 {- |
    Module      : Tests.Readers.Org.Block.Header
@@ -13,7 +12,6 @@ Test parsing of org lists.
 -}
 module Tests.Readers.Org.Block.List (tests) where
 
-import Prelude
 import Test.Tasty (TestTree)
 import Tests.Helpers ((=?>))
 import Tests.Readers.Org.Shared ((=:), spcSep)
diff --git a/test/Tests/Readers/Org/Block/Table.hs b/test/Tests/Readers/Org/Block/Table.hs
index cb38fcc12..ce18e6a5b 100644
--- a/test/Tests/Readers/Org/Block/Table.hs
+++ b/test/Tests/Readers/Org/Block/Table.hs
@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE OverloadedStrings #-}
 {- |
    Module      : Tests.Readers.Org.Block.Table
@@ -13,7 +12,6 @@ Test parsing of org tables.
 -}
 module Tests.Readers.Org.Block.Table (tests) where
 
-import Prelude
 import Test.Tasty (TestTree)
 import Tests.Helpers ((=?>))
 import Tests.Readers.Org.Shared ((=:), spcSep)
diff --git a/test/Tests/Readers/Org/Directive.hs b/test/Tests/Readers/Org/Directive.hs
index 00cb9762b..85d1bc088 100644
--- a/test/Tests/Readers/Org/Directive.hs
+++ b/test/Tests/Readers/Org/Directive.hs
@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE OverloadedStrings #-}
 {- |
    Module      : Tests.Readers.Org.Directive
@@ -13,7 +12,6 @@ Tests parsing of org directives (like @#+OPTIONS@).
 -}
 module Tests.Readers.Org.Directive (tests) where
 
-import Prelude
 import Data.Time (UTCTime (UTCTime), secondsToDiffTime)
 import Data.Time.Calendar (Day (ModifiedJulianDay))
 import Test.Tasty (TestTree, testGroup)
diff --git a/test/Tests/Readers/Org/Inline.hs b/test/Tests/Readers/Org/Inline.hs
index 13e9fef21..111d74879 100644
--- a/test/Tests/Readers/Org/Inline.hs
+++ b/test/Tests/Readers/Org/Inline.hs
@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE OverloadedStrings #-}
 {- |
    Module      : Tests.Readers.Org.Inline
@@ -13,7 +12,6 @@ Tests parsing of org inlines.
 -}
 module Tests.Readers.Org.Inline (tests) where
 
-import Prelude
 import Data.List (intersperse)
 import Test.Tasty (TestTree, testGroup)
 import Tests.Helpers ((=?>))
diff --git a/test/Tests/Readers/Org/Inline/Citation.hs b/test/Tests/Readers/Org/Inline/Citation.hs
index 87bb3ca75..5538f1ec8 100644
--- a/test/Tests/Readers/Org/Inline/Citation.hs
+++ b/test/Tests/Readers/Org/Inline/Citation.hs
@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE OverloadedStrings #-}
 {- |
    Module      : Tests.Readers.Org.Inline.Citation
@@ -13,7 +12,6 @@ Test parsing of citations in org input.
 -}
 module Tests.Readers.Org.Inline.Citation (tests) where
 
-import Prelude
 import Test.Tasty (TestTree, testGroup)
 import Tests.Helpers ((=?>))
 import Tests.Readers.Org.Shared ((=:))
diff --git a/test/Tests/Readers/Org/Inline/Note.hs b/test/Tests/Readers/Org/Inline/Note.hs
index 20157d2ae..c37133d54 100644
--- a/test/Tests/Readers/Org/Inline/Note.hs
+++ b/test/Tests/Readers/Org/Inline/Note.hs
@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE OverloadedStrings #-}
 {- |
    Module      : Tests.Readers.Org.Inline.Note
@@ -13,7 +12,6 @@ Test parsing of footnotes in org input.
 -}
 module Tests.Readers.Org.Inline.Note (tests) where
 
-import Prelude
 import Test.Tasty (TestTree)
 import Tests.Helpers ((=?>))
 import Tests.Readers.Org.Shared ((=:))
diff --git a/test/Tests/Readers/Org/Inline/Smart.hs b/test/Tests/Readers/Org/Inline/Smart.hs
index 7fde380af..db96eb2ca 100644
--- a/test/Tests/Readers/Org/Inline/Smart.hs
+++ b/test/Tests/Readers/Org/Inline/Smart.hs
@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE OverloadedStrings #-}
 {- |
    Module      : Tests.Readers.Org.Inline.Smart
@@ -13,7 +12,6 @@ Test smart parsing of quotes, apostrophe, etc.
 -}
 module Tests.Readers.Org.Inline.Smart (tests) where
 
-import Prelude
 import Data.Text (Text)
 import Test.Tasty (TestTree)
 import Tests.Helpers ((=?>), purely, test)
diff --git a/test/Tests/Readers/Org/Meta.hs b/test/Tests/Readers/Org/Meta.hs
index 3c50f891b..6363d84b0 100644
--- a/test/Tests/Readers/Org/Meta.hs
+++ b/test/Tests/Readers/Org/Meta.hs
@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE OverloadedStrings #-}
 {- |
    Module      : Tests.Readers.Org.Meta
@@ -13,7 +12,6 @@ Tests parsing of org meta data (mostly lines starting with @#+@).
 -}
 module Tests.Readers.Org.Meta (tests) where
 
-import Prelude
 import Test.Tasty (TestTree, testGroup)
 import Tests.Helpers ((=?>))
 import Tests.Readers.Org.Shared ((=:), spcSep)
diff --git a/test/Tests/Readers/Org/Shared.hs b/test/Tests/Readers/Org/Shared.hs
index 4d0848575..c584eff19 100644
--- a/test/Tests/Readers/Org/Shared.hs
+++ b/test/Tests/Readers/Org/Shared.hs
@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE OverloadedStrings #-}
 {- |
    Module      : Tests.Readers.Org.Shared
@@ -18,7 +17,6 @@ module Tests.Readers.Org.Shared
   , tagSpan
   ) where
 
-import Prelude
 import Data.List (intersperse)
 import Data.Text (Text)
 import Tests.Helpers (ToString, purely, test)
diff --git a/test/Tests/Readers/RST.hs b/test/Tests/Readers/RST.hs
index 68241b7f9..a12b59fc2 100644
--- a/test/Tests/Readers/RST.hs
+++ b/test/Tests/Readers/RST.hs
@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE OverloadedStrings   #-}
 {-# LANGUAGE ScopedTypeVariables #-}
 {- |
@@ -14,7 +13,6 @@ Tests for the RST reader.
 -}
 module Tests.Readers.RST (tests) where
 
-import Prelude
 import Data.Text (Text)
 import qualified Data.Text as T
 import Test.Tasty
diff --git a/test/Tests/Readers/Txt2Tags.hs b/test/Tests/Readers/Txt2Tags.hs
index 62f336690..013f29d68 100644
--- a/test/Tests/Readers/Txt2Tags.hs
+++ b/test/Tests/Readers/Txt2Tags.hs
@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE OverloadedStrings #-}
 {- |
    Module      : Tests.Readers.Txt2Tags
@@ -14,7 +13,6 @@ Tests for the Txt2Tags reader.
 -}
 module Tests.Readers.Txt2Tags (tests) where
 
-import Prelude
 import Data.List (intersperse)
 import Data.Text (Text)
 import qualified Data.Text as T
diff --git a/test/Tests/Shared.hs b/test/Tests/Shared.hs
index 72a59fec0..e415ea153 100644
--- a/test/Tests/Shared.hs
+++ b/test/Tests/Shared.hs
@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE OverloadedStrings #-}
 {- |
    Module      : Tests.Shared
@@ -13,7 +12,6 @@ Tests for functions used in many parts of the library.
 -}
 module Tests.Shared (tests) where
 
-import Prelude
 import System.FilePath.Posix (joinPath)
 import Test.Tasty
 import Test.Tasty.HUnit (assertBool, testCase, (@?=))
diff --git a/test/Tests/Writers/AnnotatedTable.hs b/test/Tests/Writers/AnnotatedTable.hs
index 7e16cf8e0..53cca80a6 100644
--- a/test/Tests/Writers/AnnotatedTable.hs
+++ b/test/Tests/Writers/AnnotatedTable.hs
@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE OverloadedStrings #-}
 {- |
    Module      : Tests.Writers.AnnotatedTable
diff --git a/test/Tests/Writers/AsciiDoc.hs b/test/Tests/Writers/AsciiDoc.hs
index 75f6e5e97..04655635f 100644
--- a/test/Tests/Writers/AsciiDoc.hs
+++ b/test/Tests/Writers/AsciiDoc.hs
@@ -1,8 +1,6 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE OverloadedStrings #-}
 module Tests.Writers.AsciiDoc (tests) where
 
-import Prelude
 import Data.Text (unpack)
 import Test.Tasty
 import Tests.Helpers
diff --git a/test/Tests/Writers/ConTeXt.hs b/test/Tests/Writers/ConTeXt.hs
index c747e5d2f..5c1c98d4e 100644
--- a/test/Tests/Writers/ConTeXt.hs
+++ b/test/Tests/Writers/ConTeXt.hs
@@ -1,8 +1,6 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE OverloadedStrings #-}
 module Tests.Writers.ConTeXt (tests) where
 
-import Prelude
 import Data.Text (unpack, pack)
 import Test.Tasty
 import Test.Tasty.QuickCheck
diff --git a/test/Tests/Writers/Docbook.hs b/test/Tests/Writers/Docbook.hs
index 621c1280b..842aed7ae 100644
--- a/test/Tests/Writers/Docbook.hs
+++ b/test/Tests/Writers/Docbook.hs
@@ -1,8 +1,6 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE OverloadedStrings #-}
 module Tests.Writers.Docbook (tests) where
 
-import Prelude
 import Data.Text (unpack)
 import Test.Tasty
 import Tests.Helpers
diff --git a/test/Tests/Writers/Docx.hs b/test/Tests/Writers/Docx.hs
index 66a5c3d36..2e0f1e3fb 100644
--- a/test/Tests/Writers/Docx.hs
+++ b/test/Tests/Writers/Docx.hs
@@ -1,7 +1,5 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 module Tests.Writers.Docx (tests) where
 
-import Prelude
 import Text.Pandoc
 import Test.Tasty
 import Tests.Writers.OOXML
diff --git a/test/Tests/Writers/FB2.hs b/test/Tests/Writers/FB2.hs
index 7699c58e9..2e10636fa 100644
--- a/test/Tests/Writers/FB2.hs
+++ b/test/Tests/Writers/FB2.hs
@@ -1,8 +1,6 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE OverloadedStrings #-}
 module Tests.Writers.FB2 (tests) where
 
-import Prelude
 import Test.Tasty
 import Tests.Helpers
 import Text.Pandoc
diff --git a/test/Tests/Writers/HTML.hs b/test/Tests/Writers/HTML.hs
index 6ff0a6e1d..328801e31 100644
--- a/test/Tests/Writers/HTML.hs
+++ b/test/Tests/Writers/HTML.hs
@@ -1,8 +1,6 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE OverloadedStrings #-}
 module Tests.Writers.HTML (tests) where
 
-import Prelude
 import Data.Text (unpack)
 import Test.Tasty
 import Tests.Helpers
diff --git a/test/Tests/Writers/JATS.hs b/test/Tests/Writers/JATS.hs
index 7d98f979b..2f501c890 100644
--- a/test/Tests/Writers/JATS.hs
+++ b/test/Tests/Writers/JATS.hs
@@ -1,8 +1,6 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE OverloadedStrings #-}
 module Tests.Writers.JATS (tests) where
 
-import Prelude
 import Data.Text (unpack)
 import Test.Tasty
 import Tests.Helpers
diff --git a/test/Tests/Writers/LaTeX.hs b/test/Tests/Writers/LaTeX.hs
index 44e23d48e..ae5879099 100644
--- a/test/Tests/Writers/LaTeX.hs
+++ b/test/Tests/Writers/LaTeX.hs
@@ -1,8 +1,6 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE OverloadedStrings #-}
 module Tests.Writers.LaTeX (tests) where
 
-import Prelude
 import Data.Text (unpack)
 import Test.Tasty
 import Tests.Helpers
diff --git a/test/Tests/Writers/Markdown.hs b/test/Tests/Writers/Markdown.hs
index 4b819de24..d4f927ebe 100644
--- a/test/Tests/Writers/Markdown.hs
+++ b/test/Tests/Writers/Markdown.hs
@@ -1,9 +1,7 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE OverloadedStrings #-}
 {-# OPTIONS_GHC -fno-warn-name-shadowing #-}
 module Tests.Writers.Markdown (tests) where
 
-import Prelude
 import Data.Text (unpack)
 import Test.Tasty
 import Tests.Helpers
diff --git a/test/Tests/Writers/Ms.hs b/test/Tests/Writers/Ms.hs
index d73603314..ad6849633 100644
--- a/test/Tests/Writers/Ms.hs
+++ b/test/Tests/Writers/Ms.hs
@@ -1,8 +1,6 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE OverloadedStrings #-}
 module Tests.Writers.Ms (tests) where
 
-import Prelude
 import Test.Tasty
 import Tests.Helpers
 import Text.Pandoc
diff --git a/test/Tests/Writers/Muse.hs b/test/Tests/Writers/Muse.hs
index d0df0799f..5bddca3af 100644
--- a/test/Tests/Writers/Muse.hs
+++ b/test/Tests/Writers/Muse.hs
@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE OverloadedStrings #-}
 module Tests.Writers.Muse (tests) where
 
diff --git a/test/Tests/Writers/Native.hs b/test/Tests/Writers/Native.hs
index 905e83b1e..d7771ca19 100644
--- a/test/Tests/Writers/Native.hs
+++ b/test/Tests/Writers/Native.hs
@@ -1,7 +1,5 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 module Tests.Writers.Native (tests) where
 
-import Prelude
 import Data.Text (unpack)
 import Test.Tasty
 import Test.Tasty.QuickCheck
diff --git a/test/Tests/Writers/OOXML.hs b/test/Tests/Writers/OOXML.hs
index 628ea9409..376f02c55 100644
--- a/test/Tests/Writers/OOXML.hs
+++ b/test/Tests/Writers/OOXML.hs
@@ -1,10 +1,8 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE PatternGuards     #-}
 {-# LANGUAGE OverloadedStrings #-}
 
 module Tests.Writers.OOXML (ooxmlTest) where
 
-import Prelude
 import Text.Pandoc
 import Test.Tasty
 import Test.Tasty.Golden.Advanced
diff --git a/test/Tests/Writers/Org.hs b/test/Tests/Writers/Org.hs
index c99f7344d..9cbe360da 100644
--- a/test/Tests/Writers/Org.hs
+++ b/test/Tests/Writers/Org.hs
@@ -1,8 +1,6 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE OverloadedStrings #-}
 module Tests.Writers.Org (tests) where
 
-import Prelude
 import Test.Tasty
 import Tests.Helpers
 import Text.Pandoc
diff --git a/test/Tests/Writers/Plain.hs b/test/Tests/Writers/Plain.hs
index b8d1f6693..17edc9dbd 100644
--- a/test/Tests/Writers/Plain.hs
+++ b/test/Tests/Writers/Plain.hs
@@ -1,8 +1,6 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE OverloadedStrings #-}
 module Tests.Writers.Plain (tests) where
 
-import Prelude
 import Test.Tasty
 import Tests.Helpers
 import Text.Pandoc
diff --git a/test/Tests/Writers/Powerpoint.hs b/test/Tests/Writers/Powerpoint.hs
index be98fe0e7..87ebe990c 100644
--- a/test/Tests/Writers/Powerpoint.hs
+++ b/test/Tests/Writers/Powerpoint.hs
@@ -1,7 +1,5 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 module Tests.Writers.Powerpoint (tests) where
 
-import Prelude
 import Tests.Writers.OOXML (ooxmlTest)
 import Text.Pandoc
 import Test.Tasty
diff --git a/test/Tests/Writers/RST.hs b/test/Tests/Writers/RST.hs
index a52423fad..94745e9a2 100644
--- a/test/Tests/Writers/RST.hs
+++ b/test/Tests/Writers/RST.hs
@@ -1,8 +1,6 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE OverloadedStrings #-}
 module Tests.Writers.RST (tests) where
 
-import Prelude
 import Control.Monad.Identity
 import Test.Tasty
 import Test.Tasty.HUnit
diff --git a/test/Tests/Writers/TEI.hs b/test/Tests/Writers/TEI.hs
index 31e970495..fa372909f 100644
--- a/test/Tests/Writers/TEI.hs
+++ b/test/Tests/Writers/TEI.hs
@@ -1,8 +1,6 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE OverloadedStrings #-}
 module Tests.Writers.TEI (tests) where
 
-import Prelude
 import Test.Tasty
 import Tests.Helpers
 import Text.Pandoc
diff --git a/test/test-pandoc.hs b/test/test-pandoc.hs
index 9973dffc8..4d9da525b 100644
--- a/test/test-pandoc.hs
+++ b/test/test-pandoc.hs
@@ -1,9 +1,7 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# OPTIONS_GHC -Wall #-}
 
 module Main where
 
-import Prelude
 import System.Environment (getArgs)
 import qualified Control.Exception as E
 import Text.Pandoc.App (convertWithOpts, defaultOpts, options,
diff --git a/trypandoc/trypandoc.hs b/trypandoc/trypandoc.hs
index 9a53aa18c..810752afa 100644
--- a/trypandoc/trypandoc.hs
+++ b/trypandoc/trypandoc.hs
@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE OverloadedStrings #-}
 {- |
    Module      : Main
@@ -12,7 +11,6 @@
 Provides a webservice which allows to try pandoc in the browser.
 -}
 module Main where
-import Prelude
 import Network.Wai.Handler.CGI
 import Network.Wai
 import Control.Applicative ((<$>))