diff --git a/core/java/com/android/internal/os/ZygoteInit.java b/core/java/com/android/internal/os/ZygoteInit.java
index fb22df7e4850f..9991f5ba00736 100644
--- a/core/java/com/android/internal/os/ZygoteInit.java
+++ b/core/java/com/android/internal/os/ZygoteInit.java
@@ -479,7 +479,6 @@ public class ZygoteInit {
             OsConstants.CAP_NET_BIND_SERVICE,
             OsConstants.CAP_NET_BROADCAST,
             OsConstants.CAP_NET_RAW,
-            OsConstants.CAP_SYS_BOOT,
             OsConstants.CAP_SYS_MODULE,
             OsConstants.CAP_SYS_NICE,
             OsConstants.CAP_SYS_RESOURCE,
diff --git a/services/java/com/android/server/power/PowerManagerService.java b/services/java/com/android/server/power/PowerManagerService.java
index 1203e027fb915..198851c3dc1d6 100644
--- a/services/java/com/android/server/power/PowerManagerService.java
+++ b/services/java/com/android/server/power/PowerManagerService.java
@@ -50,6 +50,7 @@ import android.os.PowerManager;
 import android.os.Process;
 import android.os.RemoteException;
 import android.os.SystemClock;
+import android.os.SystemProperties;
 import android.os.SystemService;
 import android.os.UserHandle;
 import android.os.WorkSource;
@@ -364,8 +365,6 @@ public final class PowerManagerService extends IPowerManager.Stub
     private long mLastWarningAboutUserActivityPermission = Long.MIN_VALUE;
 
     private native void nativeInit();
-    private static native void nativeShutdown();
-    private static native void nativeReboot(String reason) throws IOException;
 
     private static native void nativeSetPowerState(boolean screenOn, boolean screenBright);
     private static native void nativeAcquireSuspendBlocker(String name);
@@ -2164,18 +2163,26 @@ public final class PowerManagerService extends IPowerManager.Stub
      * to be clean.  Most people should use {@link ShutdownThread} for a clean shutdown.
      */
     public static void lowLevelShutdown() {
-        nativeShutdown();
+        SystemProperties.set("sys.powerctl", "shutdown");
     }
 
     /**
-     * Low-level function to reboot the device.
+     * Low-level function to reboot the device. On success, this function
+     * doesn't return. If more than 5 seconds passes from the time,
+     * a reboot is requested, this method returns.
      *
      * @param reason code to pass to the kernel (e.g. "recovery"), or null.
-     * @throws IOException if reboot fails for some reason (eg, lack of
-     *         permission)
      */
-    public static void lowLevelReboot(String reason) throws IOException {
-        nativeReboot(reason);
+    public static void lowLevelReboot(String reason) {
+        if (reason == null) {
+            reason = "";
+        }
+        SystemProperties.set("sys.powerctl", "reboot," + reason);
+        try {
+            Thread.sleep(20000);
+        } catch (InterruptedException e) {
+            Thread.currentThread().interrupt();
+        }
     }
 
     @Override // Watchdog.Monitor implementation
diff --git a/services/java/com/android/server/power/ShutdownThread.java b/services/java/com/android/server/power/ShutdownThread.java
index c7f7390fcb765..ba321bcf59880 100644
--- a/services/java/com/android/server/power/ShutdownThread.java
+++ b/services/java/com/android/server/power/ShutdownThread.java
@@ -490,11 +490,8 @@ public final class ShutdownThread extends Thread {
     public static void rebootOrShutdown(boolean reboot, String reason) {
         if (reboot) {
             Log.i(TAG, "Rebooting, reason: " + reason);
-            try {
-                PowerManagerService.lowLevelReboot(reason);
-            } catch (Exception e) {
-                Log.e(TAG, "Reboot failed, will attempt shutdown instead", e);
-            }
+            PowerManagerService.lowLevelReboot(reason);
+            Log.e(TAG, "Reboot failed, will attempt shutdown instead");
         } else if (SHUTDOWN_VIBRATE_MS > 0) {
             // vibrate before shutting down
             Vibrator vibrator = new SystemVibrator();
diff --git a/services/jni/com_android_server_power_PowerManagerService.cpp b/services/jni/com_android_server_power_PowerManagerService.cpp
index 23c33af2b6a72..88b13b539c74f 100644
--- a/services/jni/com_android_server_power_PowerManagerService.cpp
+++ b/services/jni/com_android_server_power_PowerManagerService.cpp
@@ -32,7 +32,6 @@
 #include <utils/Log.h>
 #include <hardware/power.h>
 #include <hardware_legacy/power.h>
-#include <cutils/android_reboot.h>
 #include <suspend/autosuspend.h>
 
 #include "com_android_server_power_PowerManagerService.h"
@@ -189,22 +188,6 @@ static void nativeSetAutoSuspend(JNIEnv *env, jclass clazz, jboolean enable) {
     }
 }
 
-static void nativeShutdown(JNIEnv *env, jclass clazz) {
-    android_reboot(ANDROID_RB_POWEROFF, 0, 0);
-}
-
-static void nativeReboot(JNIEnv *env, jclass clazz, jstring reason) {
-    if (reason == NULL) {
-        android_reboot(ANDROID_RB_RESTART, 0, 0);
-    } else {
-        const char *chars = env->GetStringUTFChars(reason, NULL);
-        android_reboot(ANDROID_RB_RESTART2, 0, (char *) chars);
-        env->ReleaseStringUTFChars(reason, chars);  // In case it fails.
-    }
-    jniThrowIOException(env, errno);
-}
-
-
 // ----------------------------------------------------------------------------
 
 static JNINativeMethod gPowerManagerServiceMethods[] = {
@@ -221,10 +204,6 @@ static JNINativeMethod gPowerManagerServiceMethods[] = {
             (void*) nativeSetInteractive },
     { "nativeSetAutoSuspend", "(Z)V",
             (void*) nativeSetAutoSuspend },
-    { "nativeShutdown", "()V",
-            (void*) nativeShutdown },
-    { "nativeReboot", "(Ljava/lang/String;)V",
-            (void*) nativeReboot },
 };
 
 #define FIND_CLASS(var, className) \