--- b/cut-n-paste/synctex/synctex_parser.c
+++ a/cut-n-paste/synctex/synctex_parser.c
@@ -95,7 +95,6 @@
 #       endif
 #   endif
 
-#define _GNU_SOURCE
 #include <stdlib.h>
 #include <stdarg.h>
 #include <stdio.h>
@@ -263,8 +262,6 @@
 #       pragma mark Abstract OBJECTS and METHODS
 #   endif
 
-void synctex_node_free(synctex_node_p node);
-
 /**
  *  \def SYNCTEX_MSG_SEND
  *  \brief Takes care of sending the given message if possible.
@@ -536,10 +533,6 @@
     synctex_io_mode_t io_mode;
 } synctex_open_s;
 
-void synctex_reader_free(synctex_reader_p reader);
-synctex_reader_p synctex_reader_init_with_output_file(synctex_reader_p reader, const char * output, const char * build_directory);
-synctex_node_p _synctex_node_next(synctex_node_p node);
-
 /*	This functions opens the file at the "output" given location.
  *  It manages the problem of quoted filenames that appear with pdftex and filenames containing the space character.
  *  In TeXLive 2008, the synctex file created with pdftex did contain unexpected quotes.
--- b/cut-n-paste/synctex/synctex_parser_utils.c
+++ a/cut-n-paste/synctex/synctex_parser_utils.c
@@ -87,8 +87,6 @@
 #   include <syslog.h>
 #endif
 
-int _synctex_log(int level, const char * prompt, const char * reason,va_list arg);
-
 int _synctex_log(int level, const char * prompt, const char * reason,va_list arg) {
 	int result;
 #	ifdef SYNCTEX_RECENT_WINDOWS