diff --git a/libcutils/iosched_policy.c b/libcutils/iosched_policy.c
index 8946d3c..71bc94b 100644
--- a/libcutils/iosched_policy.c
+++ b/libcutils/iosched_policy.c
@@ -23,7 +23,7 @@
 
 #include <cutils/iosched_policy.h>
 
-#ifdef HAVE_ANDROID_OS
+#if defined(__ANDROID__)
 #include <linux/ioprio.h>
 #include <sys/syscall.h>
 #define __android_unused
@@ -32,7 +32,7 @@
 #endif
 
 int android_set_ioprio(int pid __android_unused, IoSchedClass clazz __android_unused, int ioprio __android_unused) {
-#ifdef HAVE_ANDROID_OS
+#if defined(__ANDROID__)
     if (syscall(SYS_ioprio_set, IOPRIO_WHO_PROCESS, pid, ioprio | (clazz << IOPRIO_CLASS_SHIFT))) {
         return -1;
     }
@@ -41,7 +41,7 @@
 }
 
 int android_get_ioprio(int pid __android_unused, IoSchedClass *clazz, int *ioprio) {
-#ifdef HAVE_ANDROID_OS
+#if defined(__ANDROID__)
     int rc;
 
     if ((rc = syscall(SYS_ioprio_get, IOPRIO_WHO_PROCESS, pid)) < 0) {
diff --git a/libcutils/process_name.c b/libcutils/process_name.c
index cc931eb..5d28b6f 100644
--- a/libcutils/process_name.c
+++ b/libcutils/process_name.c
@@ -25,19 +25,19 @@
 #include <unistd.h>
 
 #include <cutils/process_name.h>
-#ifdef HAVE_ANDROID_OS
+#if defined(__ANDROID__)
 #include <cutils/properties.h>
 #endif
 
 #define PROCESS_NAME_DEVICE "/sys/qemu_trace/process_name"
 
 static const char* process_name = "unknown";
-#ifdef HAVE_ANDROID_OS
+#if defined(__ANDROID__)
 static int running_in_emulator = -1;
 #endif
 
 void set_process_name(const char* new_name) {
-#ifdef HAVE_ANDROID_OS
+#if defined(__ANDROID__)
     char  propBuf[PROPERTY_VALUE_MAX];
 #endif
 
@@ -59,7 +59,7 @@
     }
 #endif
 
-#ifdef HAVE_ANDROID_OS
+#if defined(__ANDROID__)
     // If we know we are not running in the emulator, then return.
     if (running_in_emulator == 0) {
         return;
diff --git a/libcutils/sched_policy.c b/libcutils/sched_policy.c
index dfc8777..103ff66 100644
--- a/libcutils/sched_policy.c
+++ b/libcutils/sched_policy.c
@@ -37,7 +37,7 @@
    return p == SP_DEFAULT ? SP_SYSTEM_DEFAULT : p;
 }
 
-#if defined(HAVE_ANDROID_OS)
+#if defined(__ANDROID__)
 
 #include <pthread.h>
 #include <sched.h>
@@ -142,7 +142,7 @@
  */
 static int getSchedulerGroup(int tid, char* buf, size_t bufLen)
 {
-#ifdef HAVE_ANDROID_OS
+#if defined(__ANDROID__)
     char pathBuf[32];
     char lineBuf[256];
     FILE *fp;
diff --git a/libcutils/sockets.c b/libcutils/sockets.c
index 15ede2b..d438782 100644
--- a/libcutils/sockets.c
+++ b/libcutils/sockets.c
@@ -17,7 +17,7 @@
 #include <cutils/sockets.h>
 #include <log/log.h>
 
-#ifdef HAVE_ANDROID_OS
+#if defined(__ANDROID__)
 /* For the socket trust (credentials) check */
 #include <private/android_filesystem_config.h>
 #define __android_unused
@@ -27,7 +27,7 @@
 
 bool socket_peer_is_trusted(int fd __android_unused)
 {
-#ifdef HAVE_ANDROID_OS
+#if defined(__ANDROID__)
     struct ucred cr;
     socklen_t len = sizeof(cr);
     int n = getsockopt(fd, SOL_SOCKET, SO_PEERCRED, &cr, &len);