2 files changed, 5 insertions, 0 deletions
diff --git a/vr/java/com/google/vr/platform/DeviceInfo.java b/vr/java/com/google/vr/platform/DeviceInfo.java
index f6da66b1807b..6a4617d4624d 100644
--- a/vr/java/com/google/vr/platform/DeviceInfo.java
+++ b/vr/java/com/google/vr/platform/DeviceInfo.java
@@ -1,5 +1,6 @@
 package com.google.vr.platform;
 
+import android.annotation.UnsupportedAppUsage;
 import android.os.SystemProperties;
 
 /**
@@ -13,6 +14,7 @@ public class DeviceInfo {
     /**
      * Returns true if this device boots directly in VR mode.
      */
+    @UnsupportedAppUsage
     public static boolean getVrBoot() {
         return SystemProperties.getBoolean(VR_MODE_BOOT, false);
     }
diff --git a/vr/java/com/google/vr/platform/Dvr.java b/vr/java/com/google/vr/platform/Dvr.java
index b07d6347c9a5..41dcd8741ffb 100644
--- a/vr/java/com/google/vr/platform/Dvr.java
+++ b/vr/java/com/google/vr/platform/Dvr.java
@@ -1,5 +1,7 @@
 package com.google.vr.platform;
 
+import android.annotation.UnsupportedAppUsage;
+
 /**
  * Class to load the dvr api.
  * @hide
@@ -10,6 +12,7 @@ public class Dvr {
      *
      * @return A Long object describing the handle returned by dlopen.
      */
+    @UnsupportedAppUsage
     public static Long loadLibrary() {
         // Load a thin JNI library that runs dlopen on request.
         System.loadLibrary("dvr_loader");