diff --git a/plugins/provisioners/salt/config.rb b/plugins/provisioners/salt/config.rb
index 9c564179e..38aaec8de 100644
--- a/plugins/provisioners/salt/config.rb
+++ b/plugins/provisioners/salt/config.rb
@@ -20,7 +20,6 @@ module VagrantPlugins
       attr_accessor :bootstrap_script
       attr_accessor :verbose
       attr_accessor :seed_master
-      attr_accessor :config_dir
       attr_reader   :pillar_data
       attr_accessor :colorize
       attr_accessor :log_level
@@ -65,7 +64,6 @@ module VagrantPlugins
         @install_command = UNSET_VALUE
         @no_minion = UNSET_VALUE
         @bootstrap_options = UNSET_VALUE
-        @config_dir = UNSET_VALUE
         @masterless = UNSET_VALUE
         @minion_id = UNSET_VALUE
         @version = UNSET_VALUE
@@ -98,7 +96,6 @@ module VagrantPlugins
         @install_command    = nil if @install_command == UNSET_VALUE
         @no_minion          = nil if @no_minion == UNSET_VALUE
         @bootstrap_options  = nil if @bootstrap_options == UNSET_VALUE
-        @config_dir         = nil if @config_dir == UNSET_VALUE
         @masterless         = false if @masterless == UNSET_VALUE
         @minion_id          = nil if @minion_id == UNSET_VALUE
         @version            = nil if @version == UNSET_VALUE
@@ -111,17 +108,6 @@ module VagrantPlugins
         @pillar_data = Vagrant::Util::DeepMerge.deep_merge(@pillar_data, data)
       end
 
-      def default_config_dir(machine)
-        guest_type = machine.config.vm.guest || :linux
-
-        # FIXME: there should be a way to do that a bit smarter
-        if guest_type == :windows
-          return "C:\\salt\\conf"
-        else
-          return "/etc/salt"
-        end
-      end
-
       def validate(machine)
         errors = _detected_errors
         if @minion_config
@@ -161,10 +147,6 @@ module VagrantPlugins
           errors << I18n.t("vagrant.provisioners.salt.must_accept_keys")
         end
 
-        if @config_dir.nil?
-          @config_dir = default_config_dir(machine)
-        end
-
         return {"salt provisioner" => errors}
       end
     end
diff --git a/plugins/provisioners/salt/provisioner.rb b/plugins/provisioners/salt/provisioner.rb
index c6f235e20..38bb9179f 100644
--- a/plugins/provisioners/salt/provisioner.rb
+++ b/plugins/provisioners/salt/provisioner.rb
@@ -342,11 +342,6 @@ module VagrantPlugins
       end
 
       def call_highstate
-        if @config.minion_config
-          @machine.env.ui.info "Copying salt minion config to #{@config.config_dir}"
-          @machine.communicate.upload(expanded_path(@config.minion_config).to_s, @config.config_dir + "/minion")
-        end
-
         if @config.masterless
           call_masterless
         elsif @config.run_highstate