diff --git a/libbb/procps.c b/libbb/procps.c
index c15b3e0a4..44103fae8 100644
--- a/libbb/procps.c
+++ b/libbb/procps.c
@@ -16,10 +16,6 @@
 
 #include "libbb.h"
 
-#ifndef PAGE_MASK
-#define PAGE_MASK		(~((getpagesize())-1))
-#endif
-
 extern procps_status_t * procps_scan(int save_user_arg0
 #ifdef CONFIG_SELINUX
 	, int use_selinux , security_id_t *sid