diff --git a/tools/mm/page_owner_sort.c b/tools/mm/page_owner_sort.c
index 880e36df0c11..894a765652ac 100644
--- a/tools/mm/page_owner_sort.c
+++ b/tools/mm/page_owner_sort.c
@@ -13,6 +13,7 @@
 
 #include <stdio.h>
 #include <stdlib.h>
+#include <stdbool.h>
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <fcntl.h>
@@ -23,9 +24,6 @@
 #include <linux/types.h>
 #include <getopt.h>
 
-#define bool int
-#define true 1
-#define false 0
 #define TASK_COMM_LEN 16
 
 struct block_list {