diff --git a/lib/stripe/stripe_object.rb b/lib/stripe/stripe_object.rb
index 1b05d059..aa95c42b 100644
--- a/lib/stripe/stripe_object.rb
+++ b/lib/stripe/stripe_object.rb
@@ -329,14 +329,6 @@ module Stripe
       when nil
         ''
 
-      # The logic here is that essentially any object embedded in another
-      # object that had a `type` is actually an API resource of a different
-      # type that's been included in the response. These other resources must
-      # be updated from their proper endpoints, and therefore they are not
-      # included when serializing even if they've been modified.
-      when APIResource
-        nil
-
       when Array
         update = value.map { |v| serialize_params_value(v, nil, true, force) }
 
diff --git a/test/stripe/api_resource_test.rb b/test/stripe/api_resource_test.rb
index 09a6ebfa..85201218 100644
--- a/test/stripe/api_resource_test.rb
+++ b/test/stripe/api_resource_test.rb
@@ -551,21 +551,6 @@ module Stripe
         acct.save
       end
 
-      should 'not save nested API resources' do
-        ch = Stripe::Charge.construct_from({
-          :id => 'charge_id',
-          :customer => {
-            :object => 'customer',
-            :id => 'customer_id'
-          }
-        })
-
-        @mock.expects(:post).once.with("#{Stripe.api_base}/v1/charges/charge_id", nil, '').returns(make_response({"id" => "charge_id"}))
-
-        ch.customer.description = 'Bob'
-        ch.save
-      end
-
       should 'correctly handle replaced nested objects' do
         acct = Stripe::Account.construct_from({
           :id => 'myid',
diff --git a/test/stripe/stripe_object_test.rb b/test/stripe/stripe_object_test.rb
index 9451468f..bf105f37 100644
--- a/test/stripe/stripe_object_test.rb
+++ b/test/stripe/stripe_object_test.rb
@@ -240,15 +240,6 @@ module Stripe
       assert_equal([{ :foo => "bar" }], serialized[:metadata])
     end
 
-    should "#serialize_params and remove embedded APIResources" do
-      obj = Stripe::StripeObject.construct_from({
-        :customer => Customer.construct_from({})
-      })
-
-      serialized = obj.serialize_params
-      assert_equal({}, serialized)
-    end
-
     should "#serialize_params takes a force option" do
       obj = Stripe::StripeObject.construct_from({
         :id => 'id',