diff --git a/rb/lib/selenium/webdriver/phantomjs/bridge.rb b/rb/lib/selenium/webdriver/phantomjs/bridge.rb
index d205a565785af..670e7e00a1995 100644
--- a/rb/lib/selenium/webdriver/phantomjs/bridge.rb
+++ b/rb/lib/selenium/webdriver/phantomjs/bridge.rb
@@ -33,9 +33,8 @@ def initialize(opts = {})
             url = opts.delete(:url)
           else
             args = opts.delete(:args) || caps['phantomjs.cli.args']
-            port = opts.delete(:port)
 
-            @service = Service.default_service(port)
+            @service = Service.default_service
             @service.start(args)
 
             url = @service.uri
diff --git a/rb/lib/selenium/webdriver/phantomjs/service.rb b/rb/lib/selenium/webdriver/phantomjs/service.rb
index 8199735248158..a479e3af0ca6e 100644
--- a/rb/lib/selenium/webdriver/phantomjs/service.rb
+++ b/rb/lib/selenium/webdriver/phantomjs/service.rb
@@ -42,7 +42,7 @@ def self.executable_path
           )
         end
 
-        def self.default_service(port = nil)
+        def self.default_service
           new executable_path, DEFAULT_PORT
         end