diff --git a/siege/src/setup.h b/siege/src/setup.h

index 553d3b8..c6af1c7 100644

--- siege/src/setup.h

+++ siege/src/setup.h

@@ -33,6 +33,7 @@

 #include <pthread.h>

 #include <ctype.h>

 #include <stdarg.h>

+#include <limits.h>

 #if HAVE_SYS_WAIT_H

 # include <sys/wait.h>

@@ -123,17 +124,6 @@ int strlen();

 #define MAXREPS       10301062

-#ifndef CHAR_BIT

-# define CHAR_BIT 8

-#endif

-

-#ifndef INT_MIN

-# define INT_MIN (~0 << (sizeof (int) * CHAR_BIT - 1))

-#endif

-#ifndef INT_MAX

-# define INT_MAX (~0 - INT_MIN)

-#endif

-

 void display_help();

 void display_version(BOOLEAN b);