diff --git a/plugins/provisioners/chef/plugin.rb b/plugins/provisioners/chef/plugin.rb
index b7327d702..d4a8bd69c 100644
--- a/plugins/provisioners/chef/plugin.rb
+++ b/plugins/provisioners/chef/plugin.rb
@@ -2,11 +2,6 @@ require "vagrant"
 
 module VagrantPlugins
   module Chef
-    module Provisioner
-      autoload :ChefSolo,   File.expand_path("../provisioner/chef_solo", __FILE__)
-      autoload :ChefClient, File.expand_path("../provisioner/chef_client", __FILE__)
-    end
-
     class Plugin < Vagrant.plugin("1")
       name "chef"
       description <<-DESC
@@ -14,8 +9,15 @@ module VagrantPlugins
       Chef via `chef-solo` or `chef-client`.
       DESC
 
-      provisioner("chef_solo")   { Provisioner::ChefSolo }
-      provisioner("chef_client") { Provisioner::ChefClient }
+      provisioner("chef_solo")   do
+        require File.expand_path("../provisioner/chef_solo", __FILE__)
+        Provisioner::ChefSolo
+      end
+
+      provisioner("chef_client") do
+        require File.expand_path("../provisioner/chef_client", __FILE__)
+        Provisioner::ChefClient
+      end
     end
   end
 end
diff --git a/plugins/provisioners/puppet/plugin.rb b/plugins/provisioners/puppet/plugin.rb
index 560ba7dad..c47c62061 100644
--- a/plugins/provisioners/puppet/plugin.rb
+++ b/plugins/provisioners/puppet/plugin.rb
@@ -2,11 +2,6 @@ require "vagrant"
 
 module VagrantPlugins
   module Pupppet
-    module Provisioner
-      autoload :Puppet,   File.expand_path("../provisioner/puppet", __FILE__)
-      autoload :PuppetServer, File.expand_path("../provisioner/puppet_server", __FILE__)
-    end
-
     class Plugin < Vagrant.plugin("1")
       name "puppet"
       description <<-DESC
@@ -14,8 +9,15 @@ module VagrantPlugins
       Puppet either using `puppet apply` or a Puppet server.
       DESC
 
-      provisioner("puppet")        { Provisioner::Puppet }
-      provisioner("puppet_server") { Provisioner::PuppetServer }
+      provisioner("puppet") do
+        require File.expand_path("../provisioner/puppet", __FILE__)
+        Provisioner::Puppet
+      end
+
+      provisioner("puppet_server") do
+        require File.expand_path("../provisioner/puppet_server", __FILE__)
+        Provisioner::PuppetServer
+      end
     end
   end
 end
diff --git a/plugins/provisioners/shell/plugin.rb b/plugins/provisioners/shell/plugin.rb
index d3136bf3e..a36f3ed78 100644
--- a/plugins/provisioners/shell/plugin.rb
+++ b/plugins/provisioners/shell/plugin.rb
@@ -2,8 +2,6 @@ require "vagrant"
 
 module VagrantPlugins
   module Shell
-    autoload :Provisioner, File.expand_path("../provisioner", __FILE__)
-
     class Plugin < Vagrant.plugin("1")
       name "shell"
       description <<-DESC
@@ -11,7 +9,10 @@ module VagrantPlugins
       shell scripts.
       DESC
 
-      provisioner("shell") { Provisioner }
+      provisioner("shell") do
+        require File.expand_path("../provisioner", __FILE__)
+        Provisioner
+      end
     end
   end
 end