Index: libfreeipmi/driver/ipmi-kcs-driver.c
--- libfreeipmi/driver/ipmi-kcs-driver.c.orig
+++ libfreeipmi/driver/ipmi-kcs-driver.c
@@ -148,7 +148,7 @@
 #if defined(__FreeBSD__)
 # include <machine/cpufunc.h>
 # include <machine/sysarch.h>
-#elif defined(__NetBSD__) || defined(__OpenBSD__)
+#elif defined(__NetBSD__)
 # include <machine/pio.h>               /* inb/outb */
 # include <machine/sysarch.h>   /* sysarch call */
 #elif defined(HAVE_SYS_IO_H)
@@ -159,7 +159,7 @@
 # include <asm/io.h>
 #endif
 
-#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__)
+#if defined(__FreeBSD__) || defined(__NetBSD__)
 # define _INB(port)  inb (port)
 # define _OUTB(data, port)  outb (port, data)
 #elif defined(HAVE_INB) && defined(HAVE_OUTB)