--- libclamav/mbox.c.orig	Tue Feb 13 14:06:57 2007
+++ libclamav/mbox.c	Wed Feb 14 08:26:32 2007
@@ -30,11 +30,6 @@ static	char	const	rcsid[] = "$Id: mbox.c
 #define	NDEBUG	/* map CLAMAV debug onto standard */
 #endif
 
-#ifdef CL_THREAD_SAFE
-#ifndef	_REENTRANT
-#define	_REENTRANT	/* for Solaris 2.8 */
-#endif
-#endif
 
 #include <stdio.h>
 #include <stdlib.h>
