diff --git a/fs_mgr/libsnapshot/snapuserd/user-space-merge/snapuserd_server.cpp b/fs_mgr/libsnapshot/snapuserd/user-space-merge/snapuserd_server.cpp
index c0af5c5..013df35 100644
--- a/fs_mgr/libsnapshot/snapuserd/user-space-merge/snapuserd_server.cpp
+++ b/fs_mgr/libsnapshot/snapuserd/user-space-merge/snapuserd_server.cpp
@@ -22,6 +22,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <sys/socket.h>
+#include <sys/system_properties.h>
 #include <sys/types.h>
 #include <unistd.h>
 
@@ -35,9 +36,6 @@
 #include <snapuserd/snapuserd_client.h>
 #include "snapuserd_server.h"
 
-#define _REALLY_INCLUDE_SYS__SYSTEM_PROPERTIES_H_
-#include <sys/_system_properties.h>
-
 namespace android {
 namespace snapshot {
 
diff --git a/init/init.cpp b/init/init.cpp
index 19e909f..4878660 100644
--- a/init/init.cpp
+++ b/init/init.cpp
@@ -26,13 +26,11 @@
 #include <sys/eventfd.h>
 #include <sys/mount.h>
 #include <sys/signalfd.h>
+#include <sys/system_properties.h>
 #include <sys/types.h>
 #include <sys/utsname.h>
 #include <unistd.h>
 
-#define _REALLY_INCLUDE_SYS__SYSTEM_PROPERTIES_H_
-#include <sys/_system_properties.h>
-
 #include <filesystem>
 #include <fstream>
 #include <functional>
diff --git a/init/property_service.cpp b/init/property_service.cpp
index 0d6eb15..2f3ff5c 100644
--- a/init/property_service.cpp
+++ b/init/property_service.cpp
@@ -31,14 +31,12 @@
 #include <sys/mman.h>
 #include <sys/poll.h>
 #include <sys/select.h>
+#include <sys/system_properties.h>
 #include <sys/types.h>
 #include <sys/un.h>
 #include <unistd.h>
 #include <wchar.h>
 
-#define _REALLY_INCLUDE_SYS__SYSTEM_PROPERTIES_H_
-#include <sys/_system_properties.h>
-
 #include <map>
 #include <memory>
 #include <mutex>
diff --git a/init/property_service_test.cpp b/init/property_service_test.cpp
index 5f34cc4..386c368 100644
--- a/init/property_service_test.cpp
+++ b/init/property_service_test.cpp
@@ -16,11 +16,9 @@
 
 #include <errno.h>
 #include <sys/socket.h>
+#include <sys/system_properties.h>
 #include <sys/un.h>
 
-#define _REALLY_INCLUDE_SYS__SYSTEM_PROPERTIES_H_
-#include <sys/_system_properties.h>
-
 #include <android-base/properties.h>
 #include <android-base/scopeguard.h>
 #include <android-base/strings.h>
diff --git a/libcutils/properties.cpp b/libcutils/properties.cpp
index 03f0496..d3a2b50 100644
--- a/libcutils/properties.cpp
+++ b/libcutils/properties.cpp
@@ -93,8 +93,7 @@
 
 #if __has_include(<sys/system_properties.h>)
 
-#define _REALLY_INCLUDE_SYS__SYSTEM_PROPERTIES_H_
-#include <sys/_system_properties.h>
+#include <sys/system_properties.h>
 
 struct callback_data {
     void (*callback)(const char* name, const char* value, void* cookie);
diff --git a/libcutils/trace-dev.inc b/libcutils/trace-dev.inc
index 3bc6dc3..c911b4f 100644
--- a/libcutils/trace-dev.inc
+++ b/libcutils/trace-dev.inc
@@ -36,8 +36,7 @@
 #include <log/log_properties.h>
 
 #if defined(__BIONIC__)
-#define _REALLY_INCLUDE_SYS__SYSTEM_PROPERTIES_H_
-#include <sys/_system_properties.h>
+#include <sys/system_properties.h>
 #endif
 
 /**