Not supporting RSpec 2.x anymore

README.md

@@ -138,7 +138,7 @@ There are also explicit tags for each registered driver set up for you (`@seleni
 
 ## <a name="using-capybara-with-rspec"></a>Using Capybara with RSpec
 
-Load RSpec 2+ support by adding the following line (typically to your
+Load RSpec 3.x support by adding the following line (typically to your
 `spec_helper.rb` file):
 
 ```ruby

lib/capybara/rspec/matchers.rb

@@ -17,10 +17,6 @@ module Capybara
         end
       end
 
-      # RSpec 2 compatibility:
-      def failure_message_for_should; failure_message end
-      def failure_message_for_should_not; failure_message_when_negated end
-
       private
 
       def wrap_matches?(actual)
@@ -236,10 +232,6 @@ module Capybara
       def failure_message_when_negated
         "expected #{@window.inspect} not to become closed after #{@wait_time} seconds"
       end
-
-      # RSpec 2 compatibility:
-      alias_method :failure_message_for_should, :failure_message
-      alias_method :failure_message_for_should_not, :failure_message_when_negated
     end
 
     # RSpec matcher for whether the element(s) matching a given selector exist

lib/capybara/spec/spec_helper.rb

@@ -6,15 +6,6 @@ require "capybara/rspec" # Required here instead of in rspec_spec to avoid RSpec
 require "capybara/spec/test_app"
 require "nokogiri"
 
-# Alias be_truthy/be_falsey if not already defined to be able to use in RSpec 2 and 3
-unless RSpec::Matchers.method_defined?(:be_truthy)
-  RSpec::Matchers.module_eval do
-    alias be_truthy be_true
-    alias be_falsey be_false
-    alias be_falsy be_false
-  end
-end
-
 module Capybara
   module SpecHelper
     class << self