diff --git a/plugins/commands/serve/service/command_service.rb b/plugins/commands/serve/service/command_service.rb
index fe450f6e0..eb93b9e0d 100644
--- a/plugins/commands/serve/service/command_service.rb
+++ b/plugins/commands/serve/service/command_service.rb
@@ -54,13 +54,14 @@ module VagrantPlugins
           with_info(ctx) do |info|
             plugin_name = info.plugin_name
 
-            ui, env, arguments = mapper.funcspec_map(req.spec, expect: [Vagrant::UI::Remote, Vagrant::Environment, SDK::Command::Arguments])
-
-
-            # ui = Vagrant::UI::Remote.new(ui_client)
-            # env = Vagrant::Environment.new(
-            #   {ui: ui, client: env_client}
-            # )
+            _, env, arguments = mapper.funcspec_map(
+              req.spec,
+              expect: [
+                Vagrant::UI::Remote,
+                Vagrant::Environment,
+                SDK::Command::Arguments
+              ]
+            )
 
             plugin = Vagrant::Plugin::V2::Plugin.manager.commands[plugin_name.to_sym].to_a.first
             if !plugin