From 4ce26b039386caac51abdf1bf78541a500423c18 Mon Sep 17 00:00:00 2001
From: Nicholas Marriott <nicholas.marriott@gmail.com>
Date: Thu, 23 May 2019 13:32:18 +0100
Subject: [PATCH] Remove duplicate.

---
 configure.ac | 2 --
 1 file changed, 2 deletions(-)

diff --git a/configure.ac b/configure.ac
index 355cf0b4..d09fec9d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -659,7 +659,5 @@ CFLAGS="$SAVED_CFLAGS"
 AC_SUBST(AM_LDFLAGS)
 LDFLAGS="$SAVED_LDFLAGS"
 
-AC_PROG_YACC
-
 # autoconf should create a Makefile.
 AC_OUTPUT(Makefile)