diff --git a/samples/client/petstore/ruby/docs/DefaultApi.md b/samples/client/petstore/ruby/docs/DefaultApi.md
deleted file mode 100644
index 0790d1278a1..00000000000
--- a/samples/client/petstore/ruby/docs/DefaultApi.md
+++ /dev/null
@@ -1,93 +0,0 @@
-# Petstore::DefaultApi
-
-All URIs are relative to *http://petstore.swagger.io:80/v2*
-
-Method | HTTP request | Description
-------------- | ------------- | -------------
-[**get_xml_features**](DefaultApi.md#get_xml_features) | **GET** /fake/xmlFeatures | Get some XML
-[**post_xml_features**](DefaultApi.md#post_xml_features) | **POST** /fake/xmlFeatures | Post some xml
-
-
-# **get_xml_features**
-> XmlObject get_xml_features
-
-Get some XML
-
-### Example
-```ruby
-# load the gem
-require 'petstore'
-
-api_instance = Petstore::DefaultApi.new
-
-begin
-  #Get some XML
-  result = api_instance.get_xml_features
-  p result
-rescue Petstore::ApiError => e
-  puts "Exception when calling DefaultApi->get_xml_features: #{e}"
-end
-```
-
-### Parameters
-This endpoint does not need any parameter.
-
-### Return type
-
-[**XmlObject**](XmlObject.md)
-
-### Authorization
-
-No authorization required
-
-### HTTP request headers
-
- - **Content-Type**: application/xml
- - **Accept**: application/xml
-
-
-
-# **post_xml_features**
-> post_xml_features(xml_object)
-
-Post some xml
-
-### Example
-```ruby
-# load the gem
-require 'petstore'
-
-api_instance = Petstore::DefaultApi.new
-
-xml_object = Petstore::XmlObject.new # XmlObject | 
-
-
-begin
-  #Post some xml
-  api_instance.post_xml_features(xml_object)
-rescue Petstore::ApiError => e
-  puts "Exception when calling DefaultApi->post_xml_features: #{e}"
-end
-```
-
-### Parameters
-
-Name | Type | Description  | Notes
-------------- | ------------- | ------------- | -------------
- **xml_object** | [**XmlObject**](XmlObject.md)|  | 
-
-### Return type
-
-nil (empty response body)
-
-### Authorization
-
-No authorization required
-
-### HTTP request headers
-
- - **Content-Type**: application/xml
- - **Accept**: application/xml
-
-
-
diff --git a/samples/client/petstore/ruby/lib/petstore/api/default_api.rb b/samples/client/petstore/ruby/lib/petstore/api/default_api.rb
deleted file mode 100644
index 1d542fe7548..00000000000
--- a/samples/client/petstore/ruby/lib/petstore/api/default_api.rb
+++ /dev/null
@@ -1,126 +0,0 @@
-=begin
-#Swagger Petstore
-
-#This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
-
-OpenAPI spec version: 1.0.0
-Contact: apiteam@swagger.io
-Generated by: https://github.com/swagger-api/swagger-codegen.git
-Swagger Codegen version: 2.3.0-SNAPSHOT
-
-=end
-
-require "uri"
-
-module Petstore
-  class DefaultApi
-    attr_accessor :api_client
-
-    def initialize(api_client = ApiClient.default)
-      @api_client = api_client
-    end
-
-    # Get some XML
-    # 
-    # @param [Hash] opts the optional parameters
-    # @return [XmlObject]
-    def get_xml_features(opts = {})
-      data, _status_code, _headers = get_xml_features_with_http_info(opts)
-      return data
-    end
-
-    # Get some XML
-    # 
-    # @param [Hash] opts the optional parameters
-    # @return [Array<(XmlObject, Fixnum, Hash)>] XmlObject data, response status code and response headers
-    def get_xml_features_with_http_info(opts = {})
-      if @api_client.config.debugging
-        @api_client.config.logger.debug "Calling API: DefaultApi.get_xml_features ..."
-      end
-      # resource path
-      local_var_path = "/fake/xmlFeatures"
-
-      # query parameters
-      query_params = {}
-
-      # header parameters
-      header_params = {}
-      # HTTP header 'Accept' (if needed)
-      header_params['Accept'] = @api_client.select_header_accept(['application/xml'])
-      # HTTP header 'Content-Type'
-      header_params['Content-Type'] = @api_client.select_header_content_type(['application/xml'])
-
-      # form parameters
-      form_params = {}
-
-      # http body (model)
-      post_body = nil
-      auth_names = []
-      data, status_code, headers = @api_client.call_api(:GET, local_var_path,
-        :header_params => header_params,
-        :query_params => query_params,
-        :form_params => form_params,
-        :body => post_body,
-        :auth_names => auth_names,
-        :return_type => 'XmlObject')
-      if @api_client.config.debugging
-        @api_client.config.logger.debug "API called: DefaultApi#get_xml_features\nData: #{data.inspect}\nStatus code: #{status_code}\nHeaders: #{headers}"
-      end
-      return data, status_code, headers
-    end
-
-    # Post some xml
-    # 
-    # @param xml_object 
-    # @param [Hash] opts the optional parameters
-    # @return [nil]
-    def post_xml_features(xml_object, opts = {})
-      post_xml_features_with_http_info(xml_object, opts)
-      return nil
-    end
-
-    # Post some xml
-    # 
-    # @param xml_object 
-    # @param [Hash] opts the optional parameters
-    # @return [Array<(nil, Fixnum, Hash)>] nil, response status code and response headers
-    def post_xml_features_with_http_info(xml_object, opts = {})
-      if @api_client.config.debugging
-        @api_client.config.logger.debug "Calling API: DefaultApi.post_xml_features ..."
-      end
-      # verify the required parameter 'xml_object' is set
-      if @api_client.config.client_side_validation && xml_object.nil?
-        fail ArgumentError, "Missing the required parameter 'xml_object' when calling DefaultApi.post_xml_features"
-      end
-      # resource path
-      local_var_path = "/fake/xmlFeatures"
-
-      # query parameters
-      query_params = {}
-
-      # header parameters
-      header_params = {}
-      # HTTP header 'Accept' (if needed)
-      header_params['Accept'] = @api_client.select_header_accept(['application/xml'])
-      # HTTP header 'Content-Type'
-      header_params['Content-Type'] = @api_client.select_header_content_type(['application/xml'])
-
-      # form parameters
-      form_params = {}
-
-      # http body (model)
-      post_body = @api_client.object_to_http_body(xml_object)
-      auth_names = []
-      data, status_code, headers = @api_client.call_api(:POST, local_var_path,
-        :header_params => header_params,
-        :query_params => query_params,
-        :form_params => form_params,
-        :body => post_body,
-        :auth_names => auth_names)
-      if @api_client.config.debugging
-        @api_client.config.logger.debug "API called: DefaultApi#post_xml_features\nData: #{data.inspect}\nStatus code: #{status_code}\nHeaders: #{headers}"
-      end
-      return data, status_code, headers
-    end
-  end
-end
diff --git a/samples/client/petstore/ruby/spec/api/default_api_spec.rb b/samples/client/petstore/ruby/spec/api/default_api_spec.rb
deleted file mode 100644
index 714609b9900..00000000000
--- a/samples/client/petstore/ruby/spec/api/default_api_spec.rb
+++ /dev/null
@@ -1,58 +0,0 @@
-=begin
-#Swagger Petstore
-
-#This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
-
-OpenAPI spec version: 1.0.0
-Contact: apiteam@swagger.io
-Generated by: https://github.com/swagger-api/swagger-codegen.git
-Swagger Codegen version: 2.3.0-SNAPSHOT
-
-=end
-
-require 'spec_helper'
-require 'json'
-
-# Unit tests for Petstore::DefaultApi
-# Automatically generated by swagger-codegen (github.com/swagger-api/swagger-codegen)
-# Please update as you see appropriate
-describe 'DefaultApi' do
-  before do
-    # run before each test
-    @instance = Petstore::DefaultApi.new
-  end
-
-  after do
-    # run after each test
-  end
-
-  describe 'test an instance of DefaultApi' do
-    it 'should create an instance of DefaultApi' do
-      expect(@instance).to be_instance_of(Petstore::DefaultApi)
-    end
-  end
-
-  # unit tests for get_xml_features
-  # Get some XML
-  # 
-  # @param [Hash] opts the optional parameters
-  # @return [XmlObject]
-  describe 'get_xml_features test' do
-    it "should work" do
-      # assertion here. ref: https://www.relishapp.com/rspec/rspec-expectations/docs/built-in-matchers
-    end
-  end
-
-  # unit tests for post_xml_features
-  # Post some xml
-  # 
-  # @param xml_object 
-  # @param [Hash] opts the optional parameters
-  # @return [nil]
-  describe 'post_xml_features test' do
-    it "should work" do
-      # assertion here. ref: https://www.relishapp.com/rspec/rspec-expectations/docs/built-in-matchers
-    end
-  end
-
-end