diff --git a/gemfiles/Gemfile.beta-versions b/gemfiles/Gemfile.beta-versions
index e3580ae8..626e2b97 100644
--- a/gemfiles/Gemfile.beta-versions
+++ b/gemfiles/Gemfile.beta-versions
@@ -5,4 +5,4 @@ gemspec :path => '..'
 
 gem 'xpath', github: 'jnicklas/xpath'
 gem 'rack', github: 'rack/rack'
-gem 'sinatra', github: 'sinatra/sinatra', branch: '2.2.0-alpha'
\ No newline at end of file
+gem 'sinatra', github: 'sinatra/sinatra', branch: 'master'
\ No newline at end of file
diff --git a/lib/capybara/spec/session/window/window_spec.rb b/lib/capybara/spec/session/window/window_spec.rb
index 524b94dd..26728106 100644
--- a/lib/capybara/spec/session/window/window_spec.rb
+++ b/lib/capybara/spec/session/window/window_spec.rb
@@ -86,14 +86,10 @@ Capybara::SpecHelper.spec Capybara::Window, requires: [:windows] do
 
   describe '#size' do
     it 'should return size of whole window', requires: [:windows, :js] do
-      skip "Chromedriver returns a size larger than outerWidth, outerHeight???" if ENV['TRAVIS'] && @session.respond_to?(:mode) && (@session.mode == :selenium_chrome)
-
       expect(@session.current_window.size).to eq @session.evaluate_script("[window.outerWidth, window.outerHeight];")
     end
 
     it 'should switch to original window if invoked not for current window' do
-      skip "Chromedriver returns a size larger than outerWidth, outerHeight???" if ENV['TRAVIS'] && @session.respond_to?(:mode) && (@session.mode == :selenium_chrome)
-
       @other_window = @session.window_opened_by do
         @session.find(:css, '#openWindow').click
       end
@@ -132,8 +128,6 @@ Capybara::SpecHelper.spec Capybara::Window, requires: [:windows] do
 
   describe '#maximize' do
     it 'should be able to maximize window', requires: [:windows, :js] do
-      skip "This test fails when run with Firefox on Travis - see issue #1493 - skipping for now" if ENV['TRAVIS'] && @session.respond_to?(:mode) && (@session.mode == :selenium_focus)
-
       screen_width, screen_height = @session.evaluate_script("[window.screen.availWidth, window.screen.availHeight];")
       window = @session.current_window
       window.resize_to(screen_width-100, screen_height-100)
@@ -144,8 +138,6 @@ Capybara::SpecHelper.spec Capybara::Window, requires: [:windows] do
     end
 
     it 'should stay on current window if invoked not for current window', requires: [:windows, :js] do
-      skip "This test fails when run with Firefox on Travis - see issue #1493 - skipping for now" if ENV['TRAVIS'] && @session.respond_to?(:mode) && (@session.mode == :selenium_focus)
-
       @other_window = @session.window_opened_by do
         @session.find(:css, '#openWindow').click
       end