diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9c7d205..d3b515e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## 5.2.0
+
+- [CHANGED] Remove old notification references. It's no longer being used
+
 ## 5.1.3
 
 [FIXED] Parsing of the extraTokens in webhook's isValid method
diff --git a/lib/notification_client.js b/lib/notification_client.js
deleted file mode 100644
index f28a759..0000000
--- a/lib/notification_client.js
+++ /dev/null
@@ -1,25 +0,0 @@
-const requests = require("./requests")
-const NotificationConfig = require("./notification_config")
-
-function NotificationClient(options) {
-  this.config = new NotificationConfig(options)
-}
-
-NotificationClient.prototype.notify = function (interests, notification) {
-  if (!Array.isArray(interests)) {
-    throw new Error("Interests must be an array")
-  }
-
-  if (interests.length == 0) {
-    throw new Error("Interests array must not be empty")
-  }
-
-  const body = Object.assign({ interests: interests }, notification)
-  return requests.send(this.config, {
-    method: "POST",
-    body: body,
-    path: "/notifications",
-  })
-}
-
-module.exports = NotificationClient
diff --git a/lib/notification_config.js b/lib/notification_config.js
deleted file mode 100644
index 9a254f6..0000000
--- a/lib/notification_config.js
+++ /dev/null
@@ -1,18 +0,0 @@
-const Config = require("./config")
-
-const DEFAULT_HOST = "nativepush-cluster1.pusher.com"
-const API_PREFIX = "server_api"
-const API_VERSION = "v1"
-
-function NotificationConfig(options) {
-  Config.call(this, options)
-  this.host = options.host || DEFAULT_HOST
-}
-
-Object.assign(NotificationConfig.prototype, Config.prototype)
-
-NotificationConfig.prototype.prefixPath = function (subPath) {
-  return "/" + API_PREFIX + "/" + API_VERSION + "/apps/" + this.appId + subPath
-}
-
-module.exports = NotificationConfig
diff --git a/lib/pusher.js b/lib/pusher.js
index 3b25cf9..013a3ce 100644
--- a/lib/pusher.js
+++ b/lib/pusher.js
@@ -9,7 +9,6 @@ const requests = require("./requests")
 const PusherConfig = require("./pusher_config")
 const Token = require("./token")
 const WebHook = require("./webhook")
-const NotificationClient = require("./notification_client")
 
 const validateChannel = function (channel) {
   if (
@@ -52,10 +51,8 @@ const validateUserData = function (userData) {
  * @constructor
  * @param {Object} options
  * @param {String} [options.host="api.pusherapp.com"] API hostname
- * @param {String} [options.notification_host="api.pusherapp.com"] Notification API hostname
  * @param {Boolean} [options.useTLS=false] whether to use TLS
  * @param {Boolean} [options.encrypted=false] deprecated; renamed to `useTLS`
- * @param {Boolean} [options.notification_encrypted=false] whether to use TLS for notifications
  * @param {Integer} [options.port] port, default depends on the scheme
  * @param {Integer} options.appId application ID
  * @param {String} options.key application key
@@ -65,11 +62,6 @@ const validateUserData = function (userData) {
  */
 function Pusher(options) {
   this.config = new PusherConfig(options)
-  const notificationOptions = Object.assign({}, options, {
-    host: options.notificationHost,
-    encrypted: options.notificationEncrypted,
-  })
-  this.notificationClient = new NotificationClient(notificationOptions)
 }
 
 /** Create a Pusher instance using a URL.
@@ -237,10 +229,6 @@ Pusher.prototype.triggerBatch = function (batch) {
   return events.triggerBatch(this, batch)
 }
 
-Pusher.prototype.notify = function () {
-  this.notificationClient.notify.apply(this.notificationClient, arguments)
-}
-
 /** Makes a POST request to Pusher, handles the authentication.
  *
  * Returns a promise resolving to a response, or rejecting to a RequestError.
diff --git a/package.json b/package.json
index c42f9ca..e006458 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "pusher",
   "description": "Node.js client to interact with the Pusher Channels REST API",
-  "version": "5.1.3",
+  "version": "5.2.0",
   "author": "Pusher <support@pusher.com>",
   "contributors": [
     {
diff --git a/tests/integration/pusher/notification_client.js b/tests/integration/pusher/notification_client.js
deleted file mode 100644
index 378ebdc..0000000
--- a/tests/integration/pusher/notification_client.js
+++ /dev/null
@@ -1,49 +0,0 @@
-const expect = require("expect.js")
-const NotificationClient = require("../../../lib/notification_client")
-const nock = require("nock")
-
-describe("NativeNotificationClient", function () {
-  let client
-
-  beforeEach(function () {
-    client = new NotificationClient({
-      appId: 1234,
-      key: "f00d",
-      secret: "tofu",
-    })
-    nock.cleanAll()
-    nock.disableNetConnect()
-  })
-
-  afterEach(function () {
-    nock.cleanAll()
-    nock.enableNetConnect()
-  })
-
-  xit("should send in the success case", function (done) {
-    const mock = nock("nativepush-cluster1.pusher.com:80")
-    client.notify(
-      ["yolo"],
-      {
-        apns: {
-          aps: {
-            alert: {
-              title: "yolo",
-              body: "woot",
-            },
-          },
-        },
-        gcm: {
-          notification: {
-            title: "huzzah",
-            icon: "woot",
-          },
-        },
-      },
-      function () {
-        expect(mock.isDone()).to.be(true)
-        done()
-      }
-    )
-  })
-})