message: Don't blacklist addons at build time
diff: @@ -41,9 +41,7 @@ module.exports = function(defaults) {
  addons: {
  blacklist: [
  'ember-cli-addon-docs', // Only included in the handbook engine
  - ...Object.keys(config.engines).filter(
  - engineName => !config.engines[engineName].enabled,
  - ),
  + ...(handbookEnabled ? [] : ['handbook']),
  ],
  },
  'ember-bootstrap': {
  