diff --git a/src/services/appIdService.js b/src/services/appIdService.js
deleted file mode 100644
index a576ee236f..0000000000
--- a/src/services/appIdService.js
+++ /dev/null
@@ -1,36 +0,0 @@
-function AppIdService(utilsService) {
-    this.utilsService = utilsService;
-
-    initAppIdService();
-}
-
-function initAppIdService() {
-    AppIdService.prototype.getAppId = function () {
-        return makeAndGetAppId('appId', this);
-    };
-
-    AppIdService.prototype.getAnonymousAppId = function () {
-        return makeAndGetAppId('anonymousAppId', this);
-    };
-
-    function makeAndGetAppId(key, self) {
-        return self.utilsService.getObjFromStorage(key).then(function (obj) {
-            if (obj) {
-                return obj;
-            }
-
-            var guid = newGuid();
-            return self.utilsService.saveObjToStorage(key, guid).then(function () {
-                return guid;
-            });
-        });
-    }
-
-    // ref: http://stackoverflow.com/a/2117523/1090359
-    function newGuid() {
-        return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function (c) {
-            var r = Math.random() * 16 | 0, v = c === 'x' ? r : (r & 0x3 | 0x8);
-            return v.toString(16);
-        });
-    }
-}