diff --git a/core/java/android/net/NetworkAgent.java b/core/java/android/net/NetworkAgent.java
index e6fc1ea..808a882 100644
--- a/core/java/android/net/NetworkAgent.java
+++ b/core/java/android/net/NetworkAgent.java
@@ -148,6 +148,13 @@
      */
     public static final int CMD_REQUEST_BANDWIDTH_UPDATE = BASE + 10;
 
+    /**
+     * Sent by ConnectivityService to the NeworkAgent to inform the agent to avoid
+     * automatically reconnecting to this network (e.g. via autojoin).  Happens
+     * when user selects "No" option on the "Stay connected?" dialog box.
+     */
+    public static final int CMD_PREVENT_AUTOMATIC_RECONNECT = BASE + 11;
+
     public NetworkAgent(Looper looper, Context context, String logTag, NetworkInfo ni,
             NetworkCapabilities nc, LinkProperties lp, int score) {
         this(looper, context, logTag, ni, nc, lp, score, null);
@@ -240,6 +247,11 @@
             }
             case CMD_SAVE_ACCEPT_UNVALIDATED: {
                 saveAcceptUnvalidated(msg.arg1 != 0);
+                break;
+            }
+            case CMD_PREVENT_AUTOMATIC_RECONNECT: {
+                preventAutomaticReconnect();
+                break;
             }
         }
     }
@@ -365,6 +377,15 @@
     protected void saveAcceptUnvalidated(boolean accept) {
     }
 
+    /**
+     * Called when the user asks to not stay connected to this network because it was found to not
+     * provide Internet access.  Usually followed by call to {@code unwanted}.  The transport is
+     * responsible for making sure the device does not automatically reconnect to the same network
+     * after the {@code unwanted} call.
+     */
+    protected void preventAutomaticReconnect() {
+    }
+
     protected void log(String s) {
         Log.d(LOG_TAG, "NetworkAgent: " + s);
     }
diff --git a/services/core/java/com/android/server/ConnectivityService.java b/services/core/java/com/android/server/ConnectivityService.java
index 2075c07..f57c17b 100644
--- a/services/core/java/com/android/server/ConnectivityService.java
+++ b/services/core/java/com/android/server/ConnectivityService.java
@@ -2363,14 +2363,10 @@
         }
 
         if (!accept) {
-            // Tell the NetworkAgent that the network does not have Internet access (because that's
-            // what we just told the user). This will hint to Wi-Fi not to autojoin this network in
-            // the future. We do this now because NetworkMonitor might not yet have finished
-            // validating and thus we might not yet have received an EVENT_NETWORK_TESTED.
-            nai.asyncChannel.sendMessage(NetworkAgent.CMD_REPORT_NETWORK_STATUS,
-                    NetworkAgent.INVALID_NETWORK, 0, null);
-            // TODO: Tear the network down once we have determined how to tell WifiStateMachine not
-            // to reconnect to it immediately. http://b/20739299
+            // Tell the NetworkAgent to not automatically reconnect to the network.
+            nai.asyncChannel.sendMessage(NetworkAgent.CMD_PREVENT_AUTOMATIC_RECONNECT);
+            // Teardown the nework.
+            teardownUnneededNetwork(nai);
         }
 
     }