diff --git a/lib/storage-service.js b/lib/storage-service.js
index 391a529..aae7d7f 100644
--- a/lib/storage-service.js
+++ b/lib/storage-service.js
@@ -132,8 +132,6 @@ StorageService.prototype.getContainer = function(container, cb) {
  * @param {String} container Container name
  * @param {String} file  File name
  * @options {Object} [options] Options for uploading
- * @callback callback Callback function
- * @param {String|Object} err Error string or object
  * @returns {Stream} Stream for uploading
  */
 StorageService.prototype.uploadStream = function(container, file, options) {
@@ -156,8 +154,6 @@ StorageService.prototype.uploadStream = function(container, file, options) {
  * @param {String} container Container name.
  * @param {String} file File name.
  * @options {Object} options Options for downloading
- * @callback {Function} callback Callback function
- * @param {String|Object} err Error string or object
  * @returns {Stream} Stream for downloading
  */
 StorageService.prototype.downloadStream = function(container, file, options) {