diff --git a/Gemfile b/Gemfile
index 394919fd6..c5f446704 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,86 +1,88 @@
 source ENV['GEM_SOURCE'] || "https://rubygems.org"
 
 def location_for(place, fake_version = nil)
   if place =~ /^(git[:@][^#]*)#(.*)/
     [fake_version, { :git => $1, :branch => $2, :require => false }].compact
   elsif place =~ /^file:\/\/(.*)/
     ['>= 0', { :path => File.expand_path($1), :require => false }]
   else
     [place, { :require => false }]
   end
 end
 
 # C Ruby (MRI) or Rubinius, but NOT Windows
 platforms :ruby do
   gem 'pry', :group => :development
   gem 'yard', :group => :development
   gem 'redcarpet', '~> 2.0', :group => :development
   gem "racc", "1.4.9", :group => :development
 end
 
 gem "puppet", :path => File.dirname(__FILE__), :require => false
 gem "facter", *location_for(ENV['FACTER_LOCATION'] || '~> 1.6')
 gem "hiera", *location_for(ENV['HIERA_LOCATION'] || '~> 1.0')
 gem "rake", :require => false
 gem "rgen", "0.6.5", :require => false
 
 
 group(:development, :test) do
 
   # Jenkins workers may be using RSpec 2.9, so RSpec 2.11 syntax
   # (like `expect(value).to eq matcher`) should be avoided.
   gem "rspec", "~> 2.11.0", :require => false
 
   # Mocha is not compatible across minor version changes; because of this only
   # versions matching ~> 0.10.5 are supported. All other versions are unsupported
   # and can be expected to fail.
   gem "mocha", "~> 0.10.5", :require => false
 
   gem "yarjuf", "~> 1.0"
 
   # json-schema does not support windows, so use the 'ruby' platform to exclude it on windows
   platforms :ruby do
     # json-schema uses multi_json, but chokes with multi_json 1.7.9, so prefer 1.7.7
     gem "multi_json", "1.7.7", :require => false
     gem "json-schema", "2.1.1", :require => false
   end
+end
 
+group(:development) do
   case RUBY_VERSION
   when /^1.8/
-    gem 'ruby-prof', "~> 0.13.1"
+    gem 'ruby-prof', "~> 0.13.1", :require => false
   else
-    gem 'ruby-prof'
+    gem 'ruby-prof', :require => false
   end
 end
 
 group(:extra) do
   gem "rack", "~> 1.4", :require => false
   gem "activerecord", '~> 3.2', :require => false
   gem "couchrest", '~> 1.0', :require => false
   gem "net-ssh", '~> 2.1', :require => false
   gem "puppetlabs_spec_helper", :require => false
   gem "sqlite3", :require => false
   gem "stomp", :require => false
   gem "tzinfo", :require => false
   gem "msgpack", :require => false
 end
 
 require 'yaml'
 data = YAML.load_file(File.join(File.dirname(__FILE__), 'ext', 'project_data.yaml'))
 bundle_platforms = data['bundle_platforms']
 data['gem_platform_dependencies'].each_pair do |gem_platform, info|
   if bundle_deps = info['gem_runtime_dependencies']
     bundle_platform = bundle_platforms[gem_platform] or raise "Missing bundle_platform"
     platform(bundle_platform.intern) do
       bundle_deps.each_pair do |name, version|
         gem(name, version, :require => false)
       end
     end
   end
 end
 
 if File.exists? "#{__FILE__}.local"
   eval(File.read("#{__FILE__}.local"), binding)
 end
 
 # vim:filetype=ruby