diff --git a/core/java/android/net/ConnectivityManager.java b/core/java/android/net/ConnectivityManager.java
index cfa3934..75af41c 100644
--- a/core/java/android/net/ConnectivityManager.java
+++ b/core/java/android/net/ConnectivityManager.java
@@ -1763,6 +1763,10 @@
 
     /** @hide */
     public static class PacketKeepaliveCallback {
+        @UnsupportedAppUsage
+        public PacketKeepaliveCallback() {
+        }
+
         /** The requested keepalive was successfully started. */
         @UnsupportedAppUsage
         public void onStarted() {}
diff --git a/core/java/android/net/LinkProperties.java b/core/java/android/net/LinkProperties.java
index 3ec0aea..0706e75 100644
--- a/core/java/android/net/LinkProperties.java
+++ b/core/java/android/net/LinkProperties.java
@@ -111,6 +111,8 @@
     /**
      * @hide
      */
+    @UnsupportedAppUsage(implicitMember =
+            "values()[Landroid/net/LinkProperties$ProvisioningChange;")
     public enum ProvisioningChange {
         @UnsupportedAppUsage
         STILL_NOT_PROVISIONED,