diff --git a/lib/active_model/serializer.rb b/lib/active_model/serializer.rb
index 4cbc681d..2237997e 100644
--- a/lib/active_model/serializer.rb
+++ b/lib/active_model/serializer.rb
@@ -220,7 +220,7 @@ module ActiveModel
         if serializer_class
           serializer = serializer_class.new(
             association_value,
-            options.merge(serializer_from_options(association_options))
+            options.except(:serializer).merge(serializer_from_options(association_options))
           )
         elsif !association_value.nil? && !association_value.instance_of?(Object)
           association_options[:association_options][:virtual_value] = association_value
diff --git a/test/action_controller/adapter_selector_test.rb b/test/action_controller/adapter_selector_test.rb
index ce90daf8..88c0ce6b 100644
--- a/test/action_controller/adapter_selector_test.rb
+++ b/test/action_controller/adapter_selector_test.rb
@@ -3,7 +3,7 @@ require 'test_helper'
 module ActionController
   module Serialization
     class AdapterSelectorTest < ActionController::TestCase
-      class MyController < ActionController::Base
+      class AdapterSelectorTestController < ActionController::Base
         def render_using_default_adapter
           @profile = Profile.new({ name: 'Name 1', description: 'Description 1', comments: 'Comments 1' })
           render json: @profile
@@ -20,7 +20,7 @@ module ActionController
         end
       end
 
-      tests MyController
+      tests AdapterSelectorTestController
 
       def test_render_using_default_adapter
         get :render_using_default_adapter
diff --git a/test/action_controller/explicit_serializer_test.rb b/test/action_controller/explicit_serializer_test.rb
index ff0a07e6..d4cbdb4d 100644
--- a/test/action_controller/explicit_serializer_test.rb
+++ b/test/action_controller/explicit_serializer_test.rb
@@ -3,7 +3,7 @@ require 'test_helper'
 module ActionController
   module Serialization
     class ExplicitSerializerTest < ActionController::TestCase
-      class MyController < ActionController::Base
+      class ExplicitSerializerTestController < ActionController::Base
         def render_using_explicit_serializer
           @profile = Profile.new(name: 'Name 1',
                                  description: 'Description 1',
@@ -55,9 +55,16 @@ module ActionController
 
           render json: [@post], each_serializer: PostPreviewSerializer
         end
+
+        def render_using_explicit_each_serializer
+          location       = Location.new(id: 42, lat: '-23.550520', lng: '-46.633309')
+          place          = Place.new(id: 1337, name: 'Amazing Place', locations: [location])
+
+          render json: place, each_serializer: PlaceSerializer
+        end
       end
 
-      tests MyController
+      tests ExplicitSerializerTestController
 
       def test_render_using_explicit_serializer
         get :render_using_explicit_serializer
@@ -105,6 +112,25 @@ module ActionController
 
         assert_equal expected.to_json, @response.body
       end
+
+      def test_render_using_explicit_each_serializer
+        get :render_using_explicit_each_serializer
+
+        expected = {
+          id: 1337,
+          name: "Amazing Place",
+          locations: [
+            {
+              id: 42,
+              lat: "-23.550520",
+              lng: "-46.633309",
+              place: "Nowhere" # is a virtual attribute on LocationSerializer
+            }
+          ]
+        }
+
+        assert_equal expected.to_json, response.body
+      end
     end
   end
 end
diff --git a/test/action_controller/json_api_linked_test.rb b/test/action_controller/json_api_linked_test.rb
index 559b2dd9..dab35c56 100644
--- a/test/action_controller/json_api_linked_test.rb
+++ b/test/action_controller/json_api_linked_test.rb
@@ -3,7 +3,7 @@ require 'test_helper'
 module ActionController
   module Serialization
     class JsonApiLinkedTest < ActionController::TestCase
-      class MyController < ActionController::Base
+      class JsonApiLinkedTestController < ActionController::Base
         def setup_post
           ActionController::Base.cache_store.clear
           @role1 = Role.new(id: 1, name: 'admin')
@@ -78,7 +78,7 @@ module ActionController
         end
       end
 
-      tests MyController
+      tests JsonApiLinkedTestController
 
       def test_render_resource_without_include
         get :render_resource_without_include
diff --git a/test/action_controller/rescue_from_test.rb b/test/action_controller/rescue_from_test.rb
index d52ea8e6..82689178 100644
--- a/test/action_controller/rescue_from_test.rb
+++ b/test/action_controller/rescue_from_test.rb
@@ -3,7 +3,7 @@ require 'test_helper'
 module ActionController
   module Serialization
     class RescueFromTest < ActionController::TestCase
-      class MyController < ActionController::Base
+      class RescueFromTestController < ActionController::Base
         rescue_from Exception, with: :handle_error
 
         def render_using_raise_error_serializer
@@ -16,7 +16,7 @@ module ActionController
         end
       end
 
-      tests MyController
+      tests RescueFromTestController
 
       def test_rescue_from
         get :render_using_raise_error_serializer
diff --git a/test/action_controller/serialization_test.rb b/test/action_controller/serialization_test.rb
index 240ba93c..ff646a97 100644
--- a/test/action_controller/serialization_test.rb
+++ b/test/action_controller/serialization_test.rb
@@ -3,7 +3,7 @@ require 'test_helper'
 module ActionController
   module Serialization
     class ImplicitSerializerTest < ActionController::TestCase
-      class MyController < ActionController::Base
+      class ImplicitSerializationTestController < ActionController::Base
         def render_using_implicit_serializer
           @profile = Profile.new({ name: 'Name 1', description: 'Description 1', comments: 'Comments 1' })
           render json: @profile
@@ -152,7 +152,7 @@ module ActionController
         end
       end
 
-      tests MyController
+      tests ImplicitSerializationTestController
 
       # We just have Null for now, this will change
       def test_render_using_implicit_serializer