diff --git a/CHANGELOG.md b/CHANGELOG.md
index bd635bdef..95c70fa99 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -13,6 +13,8 @@ Changes since last non-beta release.
 - Any failure in webpack to build test files quits tests. 
 - CI Improvements: 
   - Switched to yarn link and removed relative path install of react-on-rails
+  - Removed testing of Turbolinks 2
+  - All tests run against Rails 5.1.1
 - [#862](https://github.com/shakacode/react_on_rails/pull/862) by [justin808](https://github.com/justin808)
 
 ## [8.0.1]
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index a48d21384..551aa8cb4 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -215,7 +215,7 @@ If you run `rspec` at the top level, you'll see this message: `require': cannot
 
 After running a test, you can view the coverage results SimpleCov reports by opening `coverage/index.html`.
 
-To test `spec/dummy` against Turbolinks 2, install the gem by running `ENABLE_TURBOLINKS_2=TRUE bundle install` in the `spec/dummy` directory before running `rake`. Turbolinks 5 is the default.
+Turbolinks 5 is included in the test app, unless "DISABLE_TURBOLINKS" is set to YES in the environment.
 
 Run `rake -T` or `rake -D` to see testing options.
 
diff --git a/Gemfile b/Gemfile
index f1d1357f3..8190947b7 100644
--- a/Gemfile
+++ b/Gemfile
@@ -23,13 +23,7 @@ gem "scss_lint", require: false
 gem "sdoc", group: :doc
 gem "spring"
 gem "sqlite3"
-if ENV["ENABLE_TURBOLINKS_2"].nil? || ENV["ENABLE_TURBOLINKS_2"].strip.empty?
-  gem "turbolinks", "~> 5.0"
-else
-  # rubocop:disable Bundler/DuplicatedGem
-  gem "turbolinks", "2.5.3"
-  # rubocop:enable Bundler/DuplicatedGem
-end
+gem "turbolinks", "~> 5.0"
 gem "uglifier"
 gem "web-console", group: :development
 
diff --git a/rakelib/dummy_apps.rake b/rakelib/dummy_apps.rake
index a72f9635f..ba7f778ac 100644
--- a/rakelib/dummy_apps.rake
+++ b/rakelib/dummy_apps.rake
@@ -14,11 +14,6 @@ namespace :dummy_apps do
     bundle_install_in(dummy_app_dir)
   end
 
-  task dummy_app_with_turbolinks_2: [:yarn_install] do
-    dummy_app_dir = File.join(gem_root, "spec/dummy")
-    bundle_install_with_turbolinks_2_in(dummy_app_dir)
-  end
-
   task dummy_apps: %i[dummy_app node_package] do
     puts "Prepared all Dummy Apps"
   end
diff --git a/rakelib/run_rspec.rake b/rakelib/run_rspec.rake
index 77a4a1e56..841c37ff2 100644
--- a/rakelib/run_rspec.rake
+++ b/rakelib/run_rspec.rake
@@ -33,13 +33,6 @@ namespace :run_rspec do
     bundle_install_in(dummy_app_dir)
   end
 
-  desc "Runs dummy respec with turbolinks 2"
-  task dummy_turbolinks_2: ["dummy_apps:dummy_app_with_turbolinks_2"] do
-    clean_gen_assets(spec_dummy_dir)
-    run_tests_in(spec_dummy_dir, env_vars:
-      "ENABLE_TURBOLINKS_2=TRUE BUNDLE_GEMFILE=#{dummy_app_dir}/Gemfile")
-  end
-
   # Dynamically define Rake tasks for each example app found in the examples directory
   ExampleType.all.each do |example_type|
     desc "Runs RSpec for #{example_type.name_pretty} only"
@@ -61,7 +54,7 @@ namespace :run_rspec do
   Coveralls::RakeTask.new if ENV["USE_COVERALLS"] == "TRUE"
 
   desc "run all tests no examples"
-  task all_but_examples: %i[gem dummy_no_turbolinks dummy_turbolinks_2 dummy empty js_tests] do
+  task all_but_examples: %i[gem dummy_no_turbolinks dummy empty js_tests] do
     puts "Completed all RSpec tests"
   end
 
diff --git a/rakelib/task_helpers.rb b/rakelib/task_helpers.rb
index 7203e9b40..019cb2da3 100644
--- a/rakelib/task_helpers.rb
+++ b/rakelib/task_helpers.rb
@@ -30,10 +30,6 @@ def bundle_install_in_no_turbolinks(dir)
       sh_in_dir(dir, "DISABLE_TURBOLINKS=TRUE bundle install")
     end
 
-    def bundle_install_with_turbolinks_2_in(dir)
-      sh_in_dir(dir, "ENABLE_TURBOLINKS_2=TRUE BUNDLE_GEMFILE=#{dir}/Gemfile bundle install")
-    end
-
     # Runs bundle exec using that directory's Gemfile
     def bundle_exec(dir: nil, args: nil, env_vars: "")
       sh_in_dir(dir, "#{env_vars} #{args}")
diff --git a/spec/dummy/Gemfile b/spec/dummy/Gemfile
index a8e0d2f88..3973d1549 100644
--- a/spec/dummy/Gemfile
+++ b/spec/dummy/Gemfile
@@ -22,13 +22,7 @@ gem "puma"
 
 # Turbolinks makes following links in your web application faster. Read more: https://github.com/rails/turbolinks
 if ENV["DISABLE_TURBOLINKS"].nil? || ENV["DISABLE_TURBOLINKS"].strip.empty?
-  if ENV["ENABLE_TURBOLINKS_2"].nil? || ENV["ENABLE_TURBOLINKS_2"].strip.empty?
-    gem "turbolinks", "~> 5.0"
-  else
-    # rubocop:disable Bundler/DuplicatedGem
-    gem "turbolinks", "2.5.3"
-    # rubocop:enable Bundler/DuplicatedGem
-  end
+  gem "turbolinks", "~> 5.0"
 end
 
 # Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder
diff --git a/spec/dummy/Gemfile.lock b/spec/dummy/Gemfile.lock
index ae9613f09..960e4aa55 100644
--- a/spec/dummy/Gemfile.lock
+++ b/spec/dummy/Gemfile.lock
@@ -272,8 +272,9 @@ GEM
     thread_safe (0.3.6)
     tilt (2.0.7)
     tins (1.14.0)
-    turbolinks (2.5.3)
-      coffee-rails
+    turbolinks (5.0.1)
+      turbolinks-source (~> 5)
+    turbolinks-source (5.0.3)
     tzinfo (1.2.3)
       thread_safe (~> 0.1)
     uglifier (3.2.0)
@@ -328,7 +329,7 @@ DEPENDENCIES
   selenium-webdriver
   spring
   sqlite3
-  turbolinks (= 2.5.3)
+  turbolinks (~> 5.0)
   uglifier
   webpacker_lite (= 2.0.4)