code: function() {
      if (this.modelElement) {
        const resolver = this.node.getKevoreeCore().getResolver();
        return resolver.uninstall(this.modelElement)
          .then(() => {
            this.log.debug(this.modelElement.path());
            this.mapper.removeEntry(this.modelElement.path());
          });
      } else {
        return Promise.resolve();
      }
    }
docs: [description]
  @return {Promise} [description]