diff --git a/lib/clients/v1alpha1.js b/lib/clients/v1alpha1.js
deleted file mode 100644
index 272b927..0000000
--- a/lib/clients/v1alpha1.js
+++ /dev/null
@@ -1,53 +0,0 @@
-'use strict'
-const __ = require('underscore'),
-  createAPIRequest = require('googleapis/lib/apirequest')
-
-const API_ANNOTATE = 'https://vision.googleapis.com/v1alpha1/images:annotate'
-
-class Client {
-
-  constructor(options) {
-    this._options = options || {}
-  }
-
-  /**
-   * annotate
-   *
-   * @desc Call cloud vision API
-   *
-   * @param  {array} requests - Parameters for request
-   */
-  annotate(requests) {
-    return new Promise((resolve, reject) => {
-      this._buildRequests(requests).then((params) => {
-        var parameters = {
-          options: {
-            url: API_ANNOTATE,
-            method: 'POST'
-          },
-          params: {
-            resource: {
-              requests: params
-            }
-          },
-          requiredParams: [],
-          pathParams: [],
-          context: this
-        }
-        createAPIRequest(parameters, (err, response) => {
-          if (err) {
-            reject(err)
-          } else {
-            resolve(response)
-          }
-        })
-      })
-    })
-  }
-
-  _buildRequests(requests) {
-    return Promise.all(__.map(requests, (req) => req.build()))
-  }
-}
-
-module.exports = Client
\ No newline at end of file