diff --git a/guides/bug_report_templates/action_controller.rb b/guides/bug_report_templates/action_controller.rb
index 8062d67293288..732e7af6b2e89 100644
--- a/guides/bug_report_templates/action_controller.rb
+++ b/guides/bug_report_templates/action_controller.rb
@@ -5,8 +5,6 @@
 gemfile(true) do
   source "https://rubygems.org"
 
-  git_source(:github) { |repo| "https://github.com/#{repo}.git" }
-
   gem "rails"
   # If you want to test against edge Rails replace the previous line with this:
   # gem "rails", github: "rails/rails", branch: "main"
diff --git a/guides/bug_report_templates/action_mailbox.rb b/guides/bug_report_templates/action_mailbox.rb
index cb4b599c4d309..35efb337b6cd0 100644
--- a/guides/bug_report_templates/action_mailbox.rb
+++ b/guides/bug_report_templates/action_mailbox.rb
@@ -5,8 +5,6 @@
 gemfile(true) do
   source "https://rubygems.org"
 
-  git_source(:github) { |repo| "https://github.com/#{repo}.git" }
-
   gem "rails"
   # If you want to test against edge Rails replace the previous line with this:
   # gem "rails", github: "rails/rails", branch: "main"
diff --git a/guides/bug_report_templates/action_mailer.rb b/guides/bug_report_templates/action_mailer.rb
index 5d97c231c2429..90a654479af7f 100644
--- a/guides/bug_report_templates/action_mailer.rb
+++ b/guides/bug_report_templates/action_mailer.rb
@@ -5,8 +5,6 @@
 gemfile(true) do
   source "https://rubygems.org"
 
-  git_source(:github) { |repo| "https://github.com/#{repo}.git" }
-
   gem "rails"
   # If you want to test against edge Rails replace the previous line with this:
   # gem "rails", github: "rails/rails", branch: "main"
diff --git a/guides/bug_report_templates/action_view.rb b/guides/bug_report_templates/action_view.rb
index 763739fa97ae8..9d215662bcc2f 100644
--- a/guides/bug_report_templates/action_view.rb
+++ b/guides/bug_report_templates/action_view.rb
@@ -5,8 +5,6 @@
 gemfile(true) do
   source "https://rubygems.org"
 
-  git_source(:github) { |repo| "https://github.com/#{repo}.git" }
-
   gem "rails"
   # If you want to test against edge Rails replace the previous line with this:
   # gem "rails", github: "rails/rails", branch: "main"
diff --git a/guides/bug_report_templates/active_job.rb b/guides/bug_report_templates/active_job.rb
index 8b551cc392aec..962b0eadd9bff 100644
--- a/guides/bug_report_templates/active_job.rb
+++ b/guides/bug_report_templates/active_job.rb
@@ -5,8 +5,6 @@
 gemfile(true) do
   source "https://rubygems.org"
 
-  git_source(:github) { |repo| "https://github.com/#{repo}.git" }
-
   gem "rails"
   # If you want to test against edge Rails replace the previous line with this:
   # gem "rails", github: "rails/rails", branch: "main"
diff --git a/guides/bug_report_templates/active_record.rb b/guides/bug_report_templates/active_record.rb
index d9fb143676481..6d300c2db5e60 100644
--- a/guides/bug_report_templates/active_record.rb
+++ b/guides/bug_report_templates/active_record.rb
@@ -5,8 +5,6 @@
 gemfile(true) do
   source "https://rubygems.org"
 
-  git_source(:github) { |repo| "https://github.com/#{repo}.git" }
-
   gem "rails"
   # If you want to test against edge Rails replace the previous line with this:
   # gem "rails", github: "rails/rails", branch: "main"
diff --git a/guides/bug_report_templates/active_record_migrations.rb b/guides/bug_report_templates/active_record_migrations.rb
index 38fbb8fe95d81..13265a014dcf4 100644
--- a/guides/bug_report_templates/active_record_migrations.rb
+++ b/guides/bug_report_templates/active_record_migrations.rb
@@ -5,8 +5,6 @@
 gemfile(true) do
   source "https://rubygems.org"
 
-  git_source(:github) { |repo| "https://github.com/#{repo}.git" }
-
   gem "rails"
   # If you want to test against edge Rails replace the previous line with this:
   # gem "rails", github: "rails/rails", branch: "main"
diff --git a/guides/bug_report_templates/active_storage.rb b/guides/bug_report_templates/active_storage.rb
index 237a92700634a..01b3ac6c8d592 100644
--- a/guides/bug_report_templates/active_storage.rb
+++ b/guides/bug_report_templates/active_storage.rb
@@ -5,8 +5,6 @@
 gemfile(true) do
   source "https://rubygems.org"
 
-  git_source(:github) { |repo| "https://github.com/#{repo}.git" }
-
   gem "rails"
   # If you want to test against edge Rails replace the previous line with this:
   # gem "rails", github: "rails/rails", branch: "main"
diff --git a/guides/bug_report_templates/benchmark.rb b/guides/bug_report_templates/benchmark.rb
index dcfa9c3d1a7d9..6497ff3ea20aa 100644
--- a/guides/bug_report_templates/benchmark.rb
+++ b/guides/bug_report_templates/benchmark.rb
@@ -5,8 +5,6 @@
 gemfile(true) do
   source "https://rubygems.org"
 
-  git_source(:github) { |repo| "https://github.com/#{repo}.git" }
-
   gem "rails"
   # If you want to test against edge Rails replace the previous line with this:
   # gem "rails", github: "rails/rails", branch: "main"
diff --git a/guides/bug_report_templates/generic.rb b/guides/bug_report_templates/generic.rb
index 92d082e9d2fd5..42cd995da4f7b 100644
--- a/guides/bug_report_templates/generic.rb
+++ b/guides/bug_report_templates/generic.rb
@@ -5,8 +5,6 @@
 gemfile(true) do
   source "https://rubygems.org"
 
-  git_source(:github) { |repo| "https://github.com/#{repo}.git" }
-
   gem "rails"
   # If you want to test against edge Rails replace the previous line with this:
   # gem "rails", github: "rails/rails", branch: "main"
diff --git a/railties/lib/rails/generators/app_base.rb b/railties/lib/rails/generators/app_base.rb
index d0042e6eeb728..0daea182bdecf 100644
--- a/railties/lib/rails/generators/app_base.rb
+++ b/railties/lib/rails/generators/app_base.rb
@@ -672,7 +672,6 @@ def target_rails_prerelease(self_command = "new")
         if !File.exist?(File.expand_path("Gemfile", destination_root))
           create_file("Gemfile", <<~GEMFILE)
             source "https://rubygems.org"
-            git_source(:github) { |repo| "https://github.com/\#{repo}.git" }
             #{rails_gemfile_entry}
           GEMFILE
 
diff --git a/railties/lib/rails/generators/rails/plugin/templates/Gemfile.tt b/railties/lib/rails/generators/rails/plugin/templates/Gemfile.tt
index 92ec405ccb1bd..b06a4194106d0 100644
--- a/railties/lib/rails/generators/rails/plugin/templates/Gemfile.tt
+++ b/railties/lib/rails/generators/rails/plugin/templates/Gemfile.tt
@@ -1,5 +1,4 @@
 source "https://rubygems.org"
-git_source(:github) { |repo| "https://github.com/#{repo}.git" }
 <% unless options[:skip_gemspec] -%>
 
 # Specify your gem's dependencies in <%= name %>.gemspec.
diff --git a/railties/test/generators/plugin_generator_test.rb b/railties/test/generators/plugin_generator_test.rb
index a82e70ebb1458..44bd5ca661fb3 100644
--- a/railties/test/generators/plugin_generator_test.rb
+++ b/railties/test/generators/plugin_generator_test.rb
@@ -183,11 +183,6 @@ def test_generating_test_files_in_full_mode
     assert_file "test/integration/navigation_test.rb", /ActionDispatch::IntegrationTest/
   end
 
-  def test_inclusion_of_git_source
-    run_generator [destination_root]
-    assert_file "Gemfile", /git_source/
-  end
-
   def test_inclusion_of_a_debugger
     run_generator [destination_root, "--full"]
     if defined?(JRUBY_VERSION)