diff --git a/Gemfile b/Gemfile
index 0394f93..db09839 100644
--- a/Gemfile
+++ b/Gemfile
@@ -81,5 +81,4 @@ group :test do
   # Use system testing [https://guides.rubyonrails.org/testing.html#system-testing]
   gem 'capybara'
   gem 'selenium-webdriver'
-  gem 'rails-controller-testing'
 end
diff --git a/Gemfile.lock b/Gemfile.lock
index 744477b..28679b2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -237,10 +237,6 @@ GEM
       activesupport (= 7.1.3.4)
       bundler (>= 1.15.0)
       railties (= 7.1.3.4)
-    rails-controller-testing (1.0.5)
-      actionpack (>= 5.0.1.rc1)
-      actionview (>= 5.0.1.rc1)
-      activesupport (>= 5.0.1.rc1)
     rails-dom-testing (2.2.0)
       activesupport (>= 5.0.0)
       minitest
@@ -396,7 +392,6 @@ DEPENDENCIES
   mini_magick
   puma (>= 5.0)
   rails (~> 7.1.3, >= 7.1.3.4)
-  rails-controller-testing
   redis (>= 4.0.1)
   rspec-rails (~> 6.0.0)
   selenium-webdriver
diff --git a/spec/controllers/analytics_controller_spec.rb b/spec/controllers/analytics_controller_spec.rb
index 59204a1..cb1418a 100644
--- a/spec/controllers/analytics_controller_spec.rb
+++ b/spec/controllers/analytics_controller_spec.rb
@@ -17,15 +17,15 @@
 
     it "assigns the correct instance variables" do
       get :index
-      expect(assigns(:total_page_views)).to be_a(Integer)
-      expect(assigns(:total_link_clicks)).to be_a(Integer)
-      expect(assigns(:total_achievement_views)).to be_a(Integer)
-      expect(assigns(:unique_visitors)).to be_a(Integer)
-      expect(assigns(:latest_daily_metric)).to be_a(DailyMetric)
-      expect(assigns(:link_analytics)).to be_an(Array)
-      expect(assigns(:achievement_analytics)).to be_an(Array)
-      expect(assigns(:daily_views)).to be_a(Hash)
-      expect(assigns(:browser_data)).to be_a(Hash)
+      expect(controller.instance_variable_get(:@total_page_views)).to be_a(Integer)
+      expect(controller.instance_variable_get(:@total_link_clicks)).to be_a(Integer)
+      expect(controller.instance_variable_get(:@total_achievement_views)).to be_a(Integer)
+      expect(controller.instance_variable_get(:@unique_visitors)).to be_a(Integer)
+      expect(controller.instance_variable_get(:@latest_daily_metric)).to be_a(DailyMetric)
+      expect(controller.instance_variable_get(:@link_analytics)).to be_an(Array)
+      expect(controller.instance_variable_get(:@achievement_analytics)).to be_an(Array)
+      expect(controller.instance_variable_get(:@daily_views)).to be_a(Hash)
+      expect(controller.instance_variable_get(:@browser_data)).to be_a(Hash)
     end
   end
-end
\ No newline at end of file
+end
diff --git a/spec/controllers/links_controller_spec.rb b/spec/controllers/links_controller_spec.rb
index ce4d2e0..ea77088 100644
--- a/spec/controllers/links_controller_spec.rb
+++ b/spec/controllers/links_controller_spec.rb
@@ -69,10 +69,10 @@
 
     it "assigns the correct instance variables" do
       get :user_links, params: { username: user.username }
-      expect(assigns(:user)).to eq(user)
-      expect(assigns(:links)).to be_an(ActiveRecord::Relation)
-      expect(assigns(:pinned_links)).to be_an(ActiveRecord::Relation)
-      expect(assigns(:achievements)).to be_an(ActiveRecord::Relation)
+      expect(controller.instance_variable_get(:@user)).to eq(user)
+      expect(controller.instance_variable_get(:@links)).to be_an(ActiveRecord::Relation)
+      expect(controller.instance_variable_get(:@pinned_links)).to be_an(ActiveRecord::Relation)
+      expect(controller.instance_variable_get(:@achievements)).to be_an(ActiveRecord::Relation)
     end
   end
 
@@ -88,4 +88,4 @@
       expect(response).to redirect_to(link.url)
     end
   end
-end
\ No newline at end of file
+end
diff --git a/spec/rails_helper.rb b/spec/rails_helper.rb
index 92ab311..8475cee 100644
--- a/spec/rails_helper.rb
+++ b/spec/rails_helper.rb
@@ -7,7 +7,6 @@
 require 'devise'
 require 'factory_bot_rails'
 require 'capybara/rspec'
-require 'rails-controller-testing'
 
 Dir[Rails.root.join('spec', 'support', '**', '*.rb')].sort.each { |f| require f }
 
@@ -26,12 +25,6 @@
   config.include Devise::Test::IntegrationHelpers, type: :request
   config.include Devise::Test::ControllerHelpers, type: :controller
   config.include Devise::Test::ControllerHelpers, type: :view
-  
-  [:controller, :view, :request].each do |type|
-    config.include ::Rails::Controller::Testing::TestProcess, :type => type
-    config.include ::Rails::Controller::Testing::TemplateAssertions, :type => type
-    config.include ::Rails::Controller::Testing::Integration, :type => type
-  end
 
   config.include FactoryBot::Syntax::Methods
 
@@ -63,4 +56,4 @@
   Capybara::Selenium::Driver.new(app, browser: :chrome, options: options)
 end
 
-Capybara.javascript_driver = :chrome_headless
\ No newline at end of file
+Capybara.javascript_driver = :chrome_headless