diff --git a/lib/rspec/openapi.rb b/lib/rspec/openapi.rb
index a6c4a9c6..c91b054e 100644
--- a/lib/rspec/openapi.rb
+++ b/lib/rspec/openapi.rb
@@ -10,10 +10,8 @@
 require 'rspec/openapi/schema_merger'
 require 'rspec/openapi/schema_cleaner'
 
-if ENV['OPENAPI']
-  require 'rspec/openapi/minitest_hooks'
-  require 'rspec/openapi/rspec_hooks'
-end
+require 'rspec/openapi/minitest_hooks' if Object.const_defined?('Minitest')
+require 'rspec/openapi/rspec_hooks' if ENV['OPENAPI'] && Object.const_defined?('RSpec')
 
 module RSpec::OpenAPI
   @path = 'doc/openapi.yaml'
diff --git a/lib/rspec/openapi/minitest_hooks.rb b/lib/rspec/openapi/minitest_hooks.rb
index 30ce3aa0..73dda985 100644
--- a/lib/rspec/openapi/minitest_hooks.rb
+++ b/lib/rspec/openapi/minitest_hooks.rb
@@ -5,11 +5,7 @@
 module RSpec::OpenAPI::Minitest
   Example = Struct.new(:context, :description, :metadata, :file_path)
 
-  module TestPatch
-    def self.prepended(base)
-      base.extend(ClassMethods)
-    end
-
+  module RunPatch
     def run(*args)
       result = super
       if ENV['OPENAPI'] && self.class.openapi?
@@ -22,6 +18,12 @@ def run(*args)
       end
       result
     end
+  end
+
+  module ActivateOpenApiClassMethods
+    def self.prepended(base)
+      base.extend(ClassMethods)
+    end
 
     module ClassMethods
       def openapi?
@@ -35,10 +37,12 @@ def openapi!
   end
 end
 
-Minitest::Test.prepend RSpec::OpenAPI::Minitest::TestPatch
+Minitest::Test.prepend RSpec::OpenAPI::Minitest::ActivateOpenApiClassMethods
+
+if ENV['OPENAPI']
+  Minitest::Test.prepend RSpec::OpenAPI::Minitest::RunPatch
 
-Minitest.after_run do
-  if ENV['OPENAPI']
+  Minitest.after_run do
     result_recorder = RSpec::OpenAPI::ResultRecorder.new(RSpec::OpenAPI.path_records)
     result_recorder.record_results!
     puts result_record.error_message if result_recorder.errors?
diff --git a/spec/integration_tests/rails_test.rb b/spec/integration_tests/rails_test.rb
index 4fb48930..64d97a6a 100644
--- a/spec/integration_tests/rails_test.rb
+++ b/spec/integration_tests/rails_test.rb
@@ -4,9 +4,8 @@
 ENV['RAILS_ENV'] ||= 'test'
 ENV['OPENAPI_OUTPUT'] ||= 'yaml'
 
-require File.expand_path('../rails/config/environment', __dir__)
-
 require 'minitest/autorun'
+require File.expand_path('../rails/config/environment', __dir__)
 
 RSpec::OpenAPI.request_headers = %w[X-Authorization-Token]
 RSpec::OpenAPI.response_headers = %w[X-Cursor]
diff --git a/spec/integration_tests/roda_test.rb b/spec/integration_tests/roda_test.rb
index 5bcc6b98..366133e4 100644
--- a/spec/integration_tests/roda_test.rb
+++ b/spec/integration_tests/roda_test.rb
@@ -3,8 +3,8 @@
 require_relative '../roda/roda_app'
 require 'json'
 require 'rack/test'
-require 'rspec/openapi'
 require 'minitest/autorun'
+require 'rspec/openapi'
 
 ENV['OPENAPI_OUTPUT'] ||= 'yaml'
 
diff --git a/spec/minitest/rack_test_spec.rb b/spec/minitest/rack_test_spec.rb
index 49d8b190..20c8d424 100644
--- a/spec/minitest/rack_test_spec.rb
+++ b/spec/minitest/rack_test_spec.rb
@@ -32,4 +32,10 @@
       expect(new_yaml).to eq org_yaml
     end
   end
+
+  describe 'with disabled OpenAPI generation' do
+    it 'can run tests' do
+      minitest 'spec/integration_tests/roda_test.rb'
+    end
+  end
 end
diff --git a/spec/minitest/rails_spec.rb b/spec/minitest/rails_spec.rb
index a5d71c5e..d67a3cab 100644
--- a/spec/minitest/rails_spec.rb
+++ b/spec/minitest/rails_spec.rb
@@ -33,4 +33,10 @@
       expect(new_yaml).to eq org_yaml
     end
   end
+
+  describe 'with disabled OpenAPI generation' do
+    it 'can run tests' do
+      minitest 'spec/integration_tests/rails_test.rb'
+    end
+  end
 end