From d36acf43be58e643ed51576491e6bc01e6d817cf Mon Sep 17 00:00:00 2001
From: Mike Dalessio <mike.dalessio@gmail.com>
Date: Fri, 29 Nov 2019 13:18:40 -0500
Subject: [PATCH] remove unused C function

related to #1802 and #1860 / commit 3ab0c9d
---
 ext/nokogiri/xslt_stylesheet.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/ext/nokogiri/xslt_stylesheet.c b/ext/nokogiri/xslt_stylesheet.c
index e98302eb07..779294badd 100644
--- a/ext/nokogiri/xslt_stylesheet.c
+++ b/ext/nokogiri/xslt_stylesheet.c
@@ -109,10 +109,6 @@ static VALUE serialize(VALUE self, VALUE xmlobj)
     return rval ;
 }
 
-static void swallow_superfluous_xml_errors(void * userdata, xmlErrorPtr error, ...)
-{
-}
-
 /*
  *  call-seq:
  *    transform(document, params = [])