diff --git a/crypto/fscrypt/VoldUtil.h b/crypto/fscrypt/VoldUtil.h
index 173c598..ce6b411 100644
--- a/crypto/fscrypt/VoldUtil.h
+++ b/crypto/fscrypt/VoldUtil.h
@@ -17,8 +17,7 @@
 #pragma once
 
 #include <fstab/fstab.h>
-#include <sys/cdefs.h>
 
 extern android::fs_mgr::Fstab fstab_default;
 
-#define ARRAY_SIZE(a) (sizeof(a) / sizeof(*(a)))
+#define DATA_MNT_POINT "/data"