From 4f84059c0bea88b0869b4869ee3b5a99fac58304 Mon Sep 17 00:00:00 2001
From: Rob Rix <rob.rix@github.com>
Date: Tue, 17 Nov 2015 15:07:06 -0800
Subject: [PATCH] Remove redundant.

---
 src/Diff.hs | 2 --
 1 file changed, 2 deletions(-)

diff --git a/src/Diff.hs b/src/Diff.hs
index 8373e9df9..4a33194db 100644
--- a/src/Diff.hs
+++ b/src/Diff.hs
@@ -1,7 +1,5 @@
 module Diff where
 
-{-# LANGUAGE DeriveFunctor #-}
-
 import Syntax
 import Data.Maybe
 import Data.Map