--- a/Rakefile
+++ b/Rakefile
@@ -1,9 +1,7 @@
 # Copyright (c) 2010-2017 VMware, Inc.  All Rights Reserved.
 # SPDX-License-Identifier: MIT
 
-require 'bundler/gem_tasks'
 require 'rake/testtask'
-require 'yard'
 
 task(:default => :test)
 
@@ -13,5 +11,3 @@
   t.verbose = true
   t.warning = true
 end
-
-YARD::Rake::YardocTask.new
--- a/test/test_helper.rb
+++ b/test/test_helper.rb
@@ -1,9 +1,6 @@
 # Copyright (c) 2011-2017 VMware, Inc.  All Rights Reserved.
 # SPDX-License-Identifier: MIT
 
-require 'simplecov'
-SimpleCov.start { add_filter '/test/' }
-
 require 'rbvmomi'
 VIM = RbVmomi::VIM