diff --git a/include/build.h b/include/build.h
deleted file mode 100644
index 506cfb9..0000000
--- a/include/build.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __build_h
-#define __build_h
-
-int build_number( void );
-
-#endif
diff --git a/source/build.c b/source/build.c
deleted file mode 100644
index 3a6d78c..0000000
--- a/source/build.c
+++ /dev/null
@@ -1,66 +0,0 @@
-/*
-Copyright (C) 1996-1997 Id Software, Inc.
-
-This program is free software; you can redistribute it and/or
-modify it under the terms of the GNU General Public License
-as published by the Free Software Foundation; either version 2
-of the License, or (at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  
-
-See the GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
-
-*/
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include <stdlib.h>
-#include <string.h>
-// char *date = "Oct 24 1996";
-static char *date = __DATE__ ;
-static char *mon[12] = 
-{ "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" };
-static char mond[12] = 
-{ 31,    28,    31,    30,    31,    30,    31,    31,    30,    31,    30,    31 };
-
-// returns days since Oct 24 1996
-int build_number( void )
-{
-	int m = 0; 
-	int d = 0;
-	int y = 0;
-	static int b = 0;
-
-	if (b != 0)
-		return b;
-
-	for (m = 0; m < 11; m++)
-	{
-		if (strncasecmp( &date[0], mon[m], 3 ) == 0)
-			break;
-		d += mond[m];
-	}
-
-	d += atoi( &date[4] ) - 1;
-
-	y = atoi( &date[7] ) - 1900;
-
-	b = d + (int)((y - 1) * 365.25);
-
-	if (((y % 4) == 0) && m > 1)
-	{
-		b += 1;
-	}
-
-	b -= 35778; // Dec 16 1998
-
-	return b;
-}
-
diff --git a/source/cl_main.c b/source/cl_main.c
index 317b509..e8bdfd5 100644
--- a/source/cl_main.c
+++ b/source/cl_main.c
@@ -51,7 +51,7 @@
 #include "sys.h"
 #include "menu.h"
 #include "compat.h"
-#include "build.h"
+#include "buildnum.h"
 #include "keys.h"
 #include "screen.h"
 #include "sbar.h"