diff --git a/lib/compass-rails.rb b/lib/compass-rails.rb
index c9491ee..db4f641 100644
--- a/lib/compass-rails.rb
+++ b/lib/compass-rails.rb
@@ -107,21 +107,6 @@ def configure_rails!(app)
       end
     end
 
-    def boot_config
-      config = begin
-        if (config_file = Compass.detect_configuration_file) &&
-            (config_data = Compass.configuration_for(config_file))
-          config_data
-        else
-          Compass::Configuration::Data.new("compass_rails_boot")
-        end
-      end
-
-      config.tap do |c|
-        c.top_level.project_type = :rails
-      end
-    end
-
   private
 
     # sets the sass config value only if the corresponding compass-based setting
@@ -136,8 +121,6 @@ def set_maybe(sass_config, compass_config, sass_option, compass_option)
 
 if defined?(::Rails)
   Compass::AppIntegration.register(:rails, "::CompassRails")
-  Compass.add_configuration(CompassRails.boot_config)
-
   require "compass-rails/patches"
   require "compass-rails/railties"
 end