diff --git a/src/services/passwordGeneration.service.ts b/src/services/passwordGeneration.service.ts
index 0375d3d1fa3..d8a10fbf483 100644
--- a/src/services/passwordGeneration.service.ts
+++ b/src/services/passwordGeneration.service.ts
@@ -27,7 +27,7 @@ const MaxPasswordsInHistory = 100;
 export default class PasswordGenerationService {
     static generatePassword(options: any): string {
         // overload defaults with given options
-        const o = UtilsService.extendObject({}, DefaultOptions, options);
+        const o = Object.assign({}, DefaultOptions, options);
 
         // sanitize
         if (o.uppercase && o.minUppercase < 0) {
diff --git a/src/services/utils.service.spec.ts b/src/services/utils.service.spec.ts
index d52e92a05e2..c976888de8e 100644
--- a/src/services/utils.service.spec.ts
+++ b/src/services/utils.service.spec.ts
@@ -1,4 +1,5 @@
 import UtilsService from './utils.service';
+import { BrowserType } from '../enums/browserType.enum';
 
 describe('Utils Service', () => {
     describe('getDomain', () => {
@@ -51,4 +52,62 @@ describe('Utils Service', () => {
             expect(UtilsService.getHostname('https://192.168.1.1')).toBe('192.168.1.1');
         });
     });
+
+    describe('newGuid', () => {
+        it('should create a valid guid', () => {
+            const validGuid = /^[0-9a-f]{8}-[0-9a-f]{4}-[1-5][0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$/i;
+            expect(UtilsService.newGuid()).toMatch(validGuid);
+        });
+    });
+
+    describe('getBrowser', () => {
+        const original = navigator.userAgent;
+
+        // Reset the userAgent.
+        afterAll(() => {
+            Object.defineProperty(navigator, 'userAgent', {
+                value: original
+            });
+        });
+
+        it('should detect chrome', () => {
+            Object.defineProperty(navigator, 'userAgent', {
+                configurable: true,
+                value: 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202.94 Safari/537.36'
+            });
+    
+            const utilsService = new UtilsService();
+            expect(utilsService.getBrowser()).toBe(BrowserType.Chrome);
+        });
+
+        it('should detect firefox', () => {
+            Object.defineProperty(navigator, 'userAgent', {
+                configurable: true,
+                value: 'Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:58.0) Gecko/20100101 Firefox/58.0'
+            });
+    
+            const utilsService = new UtilsService();
+            expect(utilsService.getBrowser()).toBe(BrowserType.Firefox);
+        });
+
+        it('should detect opera', () => {
+            Object.defineProperty(navigator, 'userAgent', {
+                configurable: true,
+                value: 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3175.3 Safari/537.36 OPR/49.0.2695.0 (Edition developer)'
+            });
+    
+            const utilsService = new UtilsService();
+            expect(utilsService.getBrowser()).toBe(BrowserType.Opera);
+        });
+
+        it('should detect edge', () => {
+            Object.defineProperty(navigator, 'userAgent', {
+                configurable: true,
+                value: 'Mozilla/5.0 (Windows NT 10.0; Win64; x64; ServiceUI 9) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/52.0.2743.116 Safari/537.36 Edge/15.15063'
+            });
+    
+            const utilsService = new UtilsService();
+            expect(utilsService.getBrowser()).toBe(BrowserType.Edge);
+        });
+    });
 });
diff --git a/src/services/utils.service.ts b/src/services/utils.service.ts
index 37151f36428..a25dbd868d2 100644
--- a/src/services/utils.service.ts
+++ b/src/services/utils.service.ts
@@ -64,18 +64,6 @@ export default class UtilsService implements UtilsServiceInterface {
         });
     }
 
-    static extendObject(...objects: any[]): any {
-        for (let i = 1; i < objects.length; i++) {
-            for (const key in objects[i]) {
-                if (objects[i].hasOwnProperty(key)) {
-                    objects[0][key] = objects[i][key];
-                }
-            }
-        }
-
-        return objects[0];
-    }
-
     // EFForg/OpenWireless
     // ref https://github.com/EFForg/OpenWireless/blob/master/app/js/diceware.js
     static secureRandomNumber(min: number, max: number): number {