diff --git a/core/java/android/os/Debug.java b/core/java/android/os/Debug.java
index ab4ce1180f24d..d9612afd3e7cb 100644
--- a/core/java/android/os/Debug.java
+++ b/core/java/android/os/Debug.java
@@ -883,6 +883,8 @@ href="{@docRoot}guide/developing/tools/traceview.html">Traceview: A Graphical Lo
      * Equivalent to <code>setFieldsOn(cl, false)</code>.
      *
      * @see #setFieldsOn(Class, boolean)
+     *
+     * @hide
      */
     public static void setFieldsOn(Class<?> cl) {
         setFieldsOn(cl, false);