diff --git a/src/Text/Pandoc/Highlighting.hs b/src/Text/Pandoc/Highlighting.hs
index 457e605a5..2974549da 100644
--- a/src/Text/Pandoc/Highlighting.hs
+++ b/src/Text/Pandoc/Highlighting.hs
@@ -1,4 +1,3 @@
-{-# LANGUAGE CPP #-}
 {-
 Copyright (C) 2008 John MacFarlane <jgm@berkeley.edu>
 
diff --git a/src/Text/Pandoc/Readers/Markdown.hs b/src/Text/Pandoc/Readers/Markdown.hs
index 9d31c175d..1010a62df 100644
--- a/src/Text/Pandoc/Readers/Markdown.hs
+++ b/src/Text/Pandoc/Readers/Markdown.hs
@@ -1,4 +1,3 @@
-{-# LANGUAGE CPP #-}
 {-
 Copyright (C) 2006-8 John MacFarlane <jgm@berkeley.edu>
 
diff --git a/src/Text/Pandoc/Shared.hs b/src/Text/Pandoc/Shared.hs
index 241de4399..b0748be07 100644
--- a/src/Text/Pandoc/Shared.hs
+++ b/src/Text/Pandoc/Shared.hs
@@ -1,4 +1,4 @@
-{-# LANGUAGE CPP, DeriveDataTypeable #-}
+{-# LANGUAGE DeriveDataTypeable #-}
 {-
 Copyright (C) 2006-8 John MacFarlane <jgm@berkeley.edu>
 
diff --git a/src/hsmarkdown.hs b/src/hsmarkdown.hs
index 453c34468..ed4695193 100644
--- a/src/hsmarkdown.hs
+++ b/src/hsmarkdown.hs
@@ -1,4 +1,3 @@
-{-# LANGUAGE CPP #-}
 {-
 Copyright (C) 2006-8 John MacFarlane <jgm@berkeley.edu>
 
diff --git a/src/pandoc.hs b/src/pandoc.hs
index b73527462..ec915e2cc 100644
--- a/src/pandoc.hs
+++ b/src/pandoc.hs
@@ -1,4 +1,3 @@
-{-# LANGUAGE CPP #-}
 {-
 Copyright (C) 2006-8 John MacFarlane <jgm@berkeley.edu>