diff --git a/README.md b/README.md
index 8adf1ffd..3a75f3bb 100644
--- a/README.md
+++ b/README.md
@@ -69,7 +69,6 @@ bin/rails g
 
 * [Core Setup](./lib/generators/rolemodel/core_setup)
 * [Github](./lib/generators/rolemodel/github)
-* [Semaphore](./lib/generators/rolemodel/semaphore)
 * [Heroku](./lib/generators/rolemodel/heroku)
 * [Readme](./lib/generators/rolemodel/readme)
 * [Webpack](./lib/generators/rolemodel/webpack)
diff --git a/lib/generators/rolemodel/README.md b/lib/generators/rolemodel/README.md
index d4583568..a2651040 100644
--- a/lib/generators/rolemodel/README.md
+++ b/lib/generators/rolemodel/README.md
@@ -13,7 +13,6 @@
 * [Optics](./optics)
 * [README](./readme)
 * [SaaS](./saas)
-* [Semaphore](./semaphore)
 * [SimpleForm](./simple_form)
 * [Slim](./slim)
 * [SoftDestroyable](./soft_destroyable)
diff --git a/lib/generators/rolemodel/all_generator.rb b/lib/generators/rolemodel/all_generator.rb
index c9a84d60..4b8ae9c0 100644
--- a/lib/generators/rolemodel/all_generator.rb
+++ b/lib/generators/rolemodel/all_generator.rb
@@ -4,7 +4,6 @@ class AllGenerator < GeneratorBase
 
     def run_all_the_generators
       generate 'rolemodel:github'
-      generate 'rolemodel:semaphore'
       generate 'rolemodel:heroku'
       generate 'rolemodel:readme'
       generate 'rolemodel:webpack'
diff --git a/spec/generators/rolemodel/all_generator_spec.rb b/spec/generators/rolemodel/all_generator_spec.rb
new file mode 100644
index 00000000..e4cbf4d2
--- /dev/null
+++ b/spec/generators/rolemodel/all_generator_spec.rb
@@ -0,0 +1,55 @@
+RSpec.describe Rolemodel::AllGenerator, type: :generator do
+  # Each sub-generator is exercised by its own spec, so here we only verify
+  # which generators get delegated to (and in what order).
+  let(:invoked_generators) { [] }
+
+  before do
+    # Stub on the Actions module rather than the generator class: stubbing the
+    # class defines a new public method on it, which Thor would then pick up as
+    # an additional command to run.
+    allow_any_instance_of(Rails::Generators::Actions).to receive(:generate) do |_instance, name, *|
+      invoked_generators << name
+    end
+
+    run_generators
+  end
+
+  it 'delegates to every rolemodel generator in order' do
+    expect(invoked_generators).to eq([
+      'rolemodel:github',
+      'rolemodel:heroku',
+      'rolemodel:readme',
+      'rolemodel:webpack',
+      'rolemodel:sentry',
+      'rolemodel:react',
+      'rolemodel:slim',
+      'rolemodel:optics:all',
+      'rolemodel:testing:all',
+      'rolemodel:simple_form',
+      'rolemodel:soft_destroyable',
+      'rolemodel:saas:all',
+      'rolemodel:mailers',
+      'rolemodel:linters:all',
+      'rolemodel:ui_components:all',
+      'rolemodel:source_map',
+      'rolemodel:good_job',
+      'rolemodel:kaminari',
+      'rolemodel:editors',
+      'rolemodel:lograge'
+    ])
+  end
+
+  it 'only delegates to generators that exist' do
+    unknown = invoked_generators.reject { |name| Rails::Generators.find_by_namespace(name) }
+
+    expect(unknown).to eq([])
+  end
+
+  it 'does not delegate to tailored_select, which is not production ready' do
+    expect(invoked_generators).not_to include('rolemodel:tailored_select')
+  end
+
+  it 'does not delegate to a semaphore generator' do
+    expect(invoked_generators).not_to include(a_string_matching(/semaphore/))
+  end
+end