diff --git a/docs/general/configuration_options.md b/docs/general/configuration_options.md
index 46465f06..d12e1bdf 100644
--- a/docs/general/configuration_options.md
+++ b/docs/general/configuration_options.md
@@ -5,6 +5,7 @@ The following configuration options can be set on `ActiveModel::Serializer.confi
 ## General
 
 - `adapter`: The [adapter](adapters.md) to use. Possible values: `:attributes, :json, :json_api`. Default: `:attributes`.
+- `automatic_lookup`: Whether serializer should be automatically looked up or manually provided. Default: `true`
 
 ## JSON API
 
diff --git a/lib/action_controller/serialization.rb b/lib/action_controller/serialization.rb
index 5fefaedf..7861c117 100644
--- a/lib/action_controller/serialization.rb
+++ b/lib/action_controller/serialization.rb
@@ -21,6 +21,10 @@ module ActionController
     end
 
     def get_serializer(resource, options = {})
+      unless options[:serializer] || options[:each_serializer] || ActiveModel::Serializer.config.automatic_lookup
+        return resource
+      end
+
       if !use_adapter?
         warn 'ActionController::Serialization#use_adapter? has been removed. '\
           "Please pass 'adapter: false' or see ActiveSupport::SerializableResource.new"
diff --git a/lib/active_model/serializer/configuration.rb b/lib/active_model/serializer/configuration.rb
index 9e33633e..df1f10c4 100644
--- a/lib/active_model/serializer/configuration.rb
+++ b/lib/active_model/serializer/configuration.rb
@@ -20,6 +20,7 @@ module ActiveModel
 
         config.adapter = :attributes
         config.jsonapi_resource_type = :plural
+        config.automatic_lookup = true
       end
     end
   end