1 files changed, 2 insertions, 14 deletions
diff --git a/actionpack/lib/action_dispatch/system_testing/server.rb b/actionpack/lib/action_dispatch/system_testing/server.rb
index 89ca6944d9..4fc1f33767 100644
--- a/actionpack/lib/action_dispatch/system_testing/server.rb
+++ b/actionpack/lib/action_dispatch/system_testing/server.rb
@@ -1,4 +1,4 @@
-require "rack/handler/puma"
+# frozen_string_literal: true
 
 module ActionDispatch
   module SystemTesting
@@ -10,29 +10,17 @@ module ActionDispatch
       self.silence_puma = false
 
       def run
-        register
         setup
       end
 
       private
-        def register
-          Capybara.register_server :rails_puma do |app, port, host|
-            Rack::Handler::Puma.run(
-              app,
-              Port: port,
-              Threads: "0:1",
-              Silent: self.class.silence_puma
-            )
-          end
-        end
-
         def setup
           set_server
           set_port
         end
 
         def set_server
-          Capybara.server = :rails_puma
+          Capybara.server = :puma, { Silent: self.class.silence_puma } if Capybara.server == Capybara.servers[:default]
         end
 
         def set_port