--- libclamav/mbox.c.orig	Mon Feb  8 14:53:43 2010
+++ libclamav/mbox.c	Wed Mar 10 21:28:42 2010
@@ -24,11 +24,6 @@ static	char	const	rcsid[] = "$Id: mbox.c,v 1.381 2007/
 #include "clamav-config.h"
 #endif
 
-#ifdef CL_THREAD_SAFE
-#ifndef	_REENTRANT
-#define	_REENTRANT	/* for Solaris 2.8 */
-#endif
-#endif
 
 #define _GNU_SOURCE
 
