allow attributes to be excluded via the attrs hash

packages/ember-data/lib/serializers/json_serializer.js

@@ -67,6 +67,30 @@ export default Ember.Object.extend({
     });
     ```
 
+    You can also remove attributes by setting the `serialize` key to
+    false in your mapping object.
+
+    Example
+
+    ```javascript
+    App.PersonSerializer = DS.JSONSerializer.extend({
+      attrs: {
+        admin: {serialize: false},
+        occupation: {key: 'career'}
+      }
+    });
+    ```
+
+    When serialized:
+
+    ```javascript
+    {
+      "career": "magician"
+    }
+    ```
+
+    Note that the `admin` is now not included in the payload.
+
     @property attrs
     @type {Object}
   */
@@ -436,6 +460,11 @@ export default Ember.Object.extend({
       value = transform.serialize(value);
     }
 
+    // If attrs.key.serialize is false, do not include the value in the
+    // response to the server at all.
+    if (attrs && attrs[key] && attrs[key].serialize === false) {
+      return;
+    }
     // if provided, use the mapping provided by `attrs` in
     // the serializer
     if (attrs && attrs[key]) {

packages/ember-data/tests/integration/serializers/json_serializer_test.js

@@ -179,6 +179,22 @@ test('Serializer should respect the attrs hash when serializing records', functi
   equal(payload.title_payload_key, "Rails is omakase");
 });
 
+test('Serializer respects `serialize: false` on the attrs hash', function(){
+  expect(2);
+  env.container.register("serializer:post", DS.JSONSerializer.extend({
+    attrs: {
+      title: {serialize: false}
+    }
+  }));
+
+  post = env.store.createRecord("post", { title: "Rails is omakase"});
+
+  var payload = env.container.lookup("serializer:post").serialize(post);
+
+  ok(!payload.hasOwnProperty('title'), "Does not add the key to instance");
+  ok(!payload.hasOwnProperty('[object Object]'),"Does not add some random key like [object Object]");
+});
+
 test("Serializer should respect the primaryKey attribute when extracting records", function() {
   env.container.register('serializer:post', DS.JSONSerializer.extend({
     primaryKey: '_ID_'