diff --git a/lib/no_rails_middleware.rb b/lib/no_rails_middleware.rb
new file mode 100644
index 00000000..3f7461c5
--- /dev/null
+++ b/lib/no_rails_middleware.rb
@@ -0,0 +1,9 @@
+# When required in the application's Gemfile, this prevents the Rollbar
+# middleware from being inserted into the Rails middleware stack.
+#
+# ex:
+# `gem 'rollbar', require: ['no_rails_middleware', 'rollbar']`
+#
+module Rollbar
+  NO_RAILS_MIDDLEWARE = true
+end
diff --git a/lib/rollbar/plugins/rails/railtie32.rb b/lib/rollbar/plugins/rails/railtie32.rb
index 0751bfd7..1060b584 100644
--- a/lib/rollbar/plugins/rails/railtie32.rb
+++ b/lib/rollbar/plugins/rails/railtie32.rb
@@ -9,8 +9,10 @@ class Railtie < ::Rails::Railtie
       require 'rollbar/middleware/rails/rollbar'
       require 'rollbar/middleware/rails/show_exceptions'
 
-      app.config.middleware.insert_after ActionDispatch::DebugExceptions,
-                                         Rollbar::Middleware::Rails::RollbarMiddleware
+      unless defined?(Rollbar::NO_RAILS_MIDDLEWARE) && Rollbar::NO_RAILS_MIDDLEWARE
+        app.config.middleware.insert_after ActionDispatch::DebugExceptions,
+                                           Rollbar::Middleware::Rails::RollbarMiddleware
+      end
       ActionDispatch::DebugExceptions.send(:include,
                                            Rollbar::Middleware::Rails::ShowExceptions)
     end