diff --git a/newlib/libc/sys/rtems/include/machine/param.h b/newlib/libc/sys/rtems/include/machine/param.h
index 4892b6174..e37d0561e 100644
--- a/newlib/libc/sys/rtems/include/machine/param.h
+++ b/newlib/libc/sys/rtems/include/machine/param.h
@@ -71,6 +71,7 @@
 
 #define	MAXPAGESIZES	1		/* maximum number of supported page sizes */
 
+#ifdef _KERNEL
 /*
  * Mach derived conversion macros
  */
@@ -82,4 +83,6 @@
 
 #define	pgtok(x)		((unsigned long)(x) * (PAGE_SIZE / 1024))
 
+#endif
+
 #endif /* !_MACHINE_PARAM_H_ */