diff --git a/.eslintrc.js b/.eslintrc.js
index b5f5022f..cdc3cec3 100644
--- a/.eslintrc.js
+++ b/.eslintrc.js
@@ -24,7 +24,6 @@ module.exports = {
         "blessing": true,
         "debounce": false,
         "showModal": false,
-        "docCookies": false,
         "showAjaxError": false,
         "getQueryString": false,
         "TexturePreview": false
diff --git a/app/Http/Controllers/UserController.php b/app/Http/Controllers/UserController.php
index c5ae9112..bf047123 100644
--- a/app/Http/Controllers/UserController.php
+++ b/app/Http/Controllers/UserController.php
@@ -136,7 +136,12 @@ class UserController extends Controller
 
                 if ($this->user->changePasswd($request->input('new_password'))) {
                     event(new UserProfileUpdated($action, $this->user));
-                    return json(trans('user.profile.password.success'), 0);
+
+                    session()->flush();
+
+                    return json(trans('user.profile.password.success'), 0)
+                            ->withCookie(cookie()->forget('uid'))
+                            ->withCookie(cookie()->forget('token'));
                 }
 
                 break;   // @codeCoverageIgnore
@@ -156,7 +161,10 @@ class UserController extends Controller
 
                 if ($this->user->setEmail($request->input('new_email'))) {
                     event(new UserProfileUpdated($action, $this->user));
-                    return json(trans('user.profile.email.success'), 0);
+
+                    return json(trans('user.profile.email.success'), 0)
+                            ->withCookie(cookie()->forget('uid'))
+                            ->withCookie(cookie()->forget('token'));
                 }
 
                 break;   // @codeCoverageIgnore
diff --git a/resources/assets/src/js/__tests__/admin.test.js b/resources/assets/src/js/__tests__/admin.test.js
index 7209a9a6..8dac73c8 100644
--- a/resources/assets/src/js/__tests__/admin.test.js
+++ b/resources/assets/src/js/__tests__/admin.test.js
@@ -1125,10 +1125,8 @@ describe('tests for "common" module', () => {
   it('send feedbacks', async () => {
     const fetch = jest.fn()
       .mockReturnValue(Promise.resolve({ errno: 0, msg: 'Recorded.' }));
-    const docCookies = require('../common/cookie');
 
     window.document.cookie = '';
-    window.docCookies = docCookies;
     window.fetch = fetch;
     window.blessing = {
         site_name: 'inm',
diff --git a/resources/assets/src/js/__tests__/common.test.js b/resources/assets/src/js/__tests__/common.test.js
index bb6bb1e1..a3a3064d 100644
--- a/resources/assets/src/js/__tests__/common.test.js
+++ b/resources/assets/src/js/__tests__/common.test.js
@@ -3,43 +3,6 @@
 const $ = require('jquery');
 window.jQuery = window.$ = $;
 
-describe('tests for "cookie" module', () => {
-  it('operates cookies', () => {
-    const cookies = require('../common/cookie');
-
-    expect(cookies.hasItem('key1')).toBe(false);
-    expect(cookies.getItem('key1')).toBeNull();
-
-    expect(cookies.setItem('key1', 'value1')).toBe(true);
-    expect(document.cookie).toBe('key1=value1');
-    expect(cookies.setItem('key2', 'value2')).toBe(true);
-    expect(document.cookie).toBe('key1=value1; key2=value2');
-    expect(cookies.hasItem('key1')).toBe(true);
-    expect(cookies.getItem('key1')).toBe('value1');
-    expect(cookies.hasItem('key2')).toBe(true);
-    expect(cookies.getItem('key2')).toBe('value2');
-    expect(cookies.keys()).toEqual(['key1', 'key2']);
-
-    expect(cookies.setItem('domain', 'value')).toBe(false);
-
-    expect(cookies.removeItem('key0')).toBe(false);
-    expect(cookies.removeItem('key2')).toBe(true);
-    expect(cookies.hasItem('key2')).toBe(false);
-    expect(document.cookie).toBe('key1=value1');
-    expect(cookies.removeItem('key1')).toBe(true);
-
-    expect(cookies.setItem('key3', 'value3', 50));
-    expect(cookies.getItem('key3')).toBe('value3');
-    expect(cookies.setItem('key3', 'value3', Infinity));
-    expect(cookies.getItem('key3')).toBe('value3');
-    expect(cookies.setItem('key3', 'value3', '60'));
-    expect(cookies.getItem('key3')).toBe('value3');
-    expect(cookies.setItem('key4', 'value3', new Date));
-    expect(cookies.removeItem('key3')).toBe(true);
-    expect(document.cookie).toBe('');
-  });
-});
-
 describe('tests for "i18n" module', () => {
   const modulePath = '../common/i18n';
 
diff --git a/resources/assets/src/js/__tests__/user.test.js b/resources/assets/src/js/__tests__/user.test.js
index 1fa970ab..fdedfd85 100644
--- a/resources/assets/src/js/__tests__/user.test.js
+++ b/resources/assets/src/js/__tests__/user.test.js
@@ -850,7 +850,6 @@ describe('tests for "profile" module', () => {
 
   it('change password', async () => {
     const fetch = jest.fn()
-      .mockReturnValueOnce(Promise.resolve({ errno: 0, msg: 'success' }))
       .mockReturnValueOnce(Promise.resolve({ errno: 0, msg: 'success' }))
       .mockReturnValueOnce(Promise.resolve({ errno: 1, msg: 'warning' }))
       .mockReturnValueOnce(Promise.reject());
@@ -862,19 +861,12 @@ describe('tests for "profile" module', () => {
       warning: jest.fn()
     };
     const showAjaxError = jest.fn();
-    const docCookies = {
-      removeItem: jest.fn()
-    };
     window.fetch = fetch;
     window.swal = swal;
     window.trans = trans;
     window.url = url;
     window.toastr = toastr;
     window.showAjaxError = showAjaxError;
-    window.logout = jest.fn()
-      .mockReturnValueOnce(Promise.resolve({ errno: 0 }))
-      .mockReturnValueOnce(Promise.reject());
-    window.docCookies = docCookies;
 
     document.body.innerHTML = `
       <input id="password" />
@@ -911,10 +903,6 @@ describe('tests for "profile" module', () => {
       dataType: 'json',
       data: { current_password: 'password', new_password: 'new-password' }
     });
-    expect(logout).toBeCalled();
-
-    await changePassword();
-    expect(docCookies.removeItem).toBeCalledWith('token');
 
     await changePassword();
     expect(swal).toBeCalledWith({ type: 'warning', text: 'warning' });
@@ -925,9 +913,8 @@ describe('tests for "profile" module', () => {
 
   it('change email', async () => {
     const fetch = jest.fn()
-      .mockReturnValueOnce(Promise.resolve({ errno: 0, msg: 'success' }))
-      .mockReturnValueOnce(Promise.resolve({ errno: 0, msg: 'success' }))
       .mockReturnValueOnce(Promise.resolve({ errno: 1, msg: 'warning' }))
+      .mockReturnValueOnce(Promise.resolve({ errno: 0, msg: 'success' }))
       .mockReturnValueOnce(Promise.reject());
     const swal = jest.fn()
       .mockReturnValueOnce(Promise.resolve())
@@ -941,19 +928,12 @@ describe('tests for "profile" module', () => {
       warning: jest.fn()
     };
     const showAjaxError = jest.fn();
-    const docCookies = {
-      removeItem: jest.fn()
-    };
     window.fetch = fetch;
     window.swal = swal;
     window.trans = trans;
     window.url = url;
     window.toastr = toastr;
     window.showAjaxError = showAjaxError;
-    window.logout = jest.fn()
-      .mockReturnValueOnce(Promise.resolve({ errno: 0 }))
-      .mockReturnValueOnce(Promise.reject());
-    window.docCookies = docCookies;
 
     document.body.innerHTML = `
       <input id="new-email" />
@@ -985,15 +965,11 @@ describe('tests for "profile" module', () => {
       dataType: 'json',
       data: { new_email: 'a@b.c', password: 'pwd' }
     });
-    expect(swal).toBeCalledWith({ type: 'success', text: 'success' });
-    expect(logout).toBeCalled();
-
-    await changeEmail();
-    expect(docCookies.removeItem).toBeCalled();
-
-    await changeEmail();
     expect(swal).toBeCalledWith({ type: 'warning', text: 'warning' });
 
+    await changeEmail();
+    expect(swal).toBeCalledWith({ type: 'success', text: 'success' });
+
     await changeEmail();
     expect(showAjaxError).toBeCalled();
   });
diff --git a/resources/assets/src/js/admin/common.js b/resources/assets/src/js/admin/common.js
index 12544c40..22e0d012 100644
--- a/resources/assets/src/js/admin/common.js
+++ b/resources/assets/src/js/admin/common.js
@@ -26,8 +26,9 @@ function initTables() {
 }
 
 async function sendFeedback() {
-    if (docCookies.getItem('feedback_sent') !== null)
+    if (document.cookie.replace(/(?:(?:^|.*;\s*)feedback_sent\s*=\s*([^;]*).*$)|^.*$/, '$1') !== '') {
         return;
+    }
 
     try {
         const { errno } = await fetch({
@@ -41,8 +42,8 @@ async function sendFeedback() {
             }
         });
         if (errno === 0) {
-            // Will be expired when current session ends
-            docCookies.setItem('feedback_sent', Date.now());
+            // It will be expired when current session ends
+            document.cookie = 'feedback_sent=' + Date.now();
 
             console.log('Feedback sent. Thank you!');
         }
diff --git a/resources/assets/src/js/common/cookie.js b/resources/assets/src/js/common/cookie.js
deleted file mode 100644
index d66c7cc0..00000000
--- a/resources/assets/src/js/common/cookie.js
+++ /dev/null
@@ -1,64 +0,0 @@
-/* eslint-disable */
-
-/*\
-|*|
-|*|  :: cookies.js ::
-|*|
-|*|  A complete cookies reader/writer framework with full unicode support.
-|*|
-|*|  https://developer.mozilla.org/en-US/docs/DOM/document.cookie
-|*|
-|*|  This framework is released under the GNU Public License, version 3 or later.
-|*|  http://www.gnu.org/licenses/gpl-3.0-standalone.html
-|*|
-|*|  Syntaxes:
-|*|
-|*|  * docCookies.setItem(name, value[, end[, path[, domain[, secure]]]])
-|*|  * docCookies.getItem(name)
-|*|  * docCookies.removeItem(name[, path], domain)
-|*|  * docCookies.hasItem(name)
-|*|  * docCookies.keys()
-|*|
-\*/
-
-var docCookies = {
-  getItem: function (sKey) {
-    return decodeURIComponent(document.cookie.replace(new RegExp("(?:(?:^|.*;)\\s*" + encodeURIComponent(sKey).replace(/[\-\.\+\*]/g, "\\$&") + "\\s*\\=\\s*([^;]*).*$)|^.*$"), "$1")) || null;
-  },
-  setItem: function (sKey, sValue, vEnd, sPath, sDomain, bSecure) {
-    if (!sKey || /^(?:expires|max\-age|path|domain|secure)$/i.test(sKey)) { return false; }
-    var sExpires = "";
-    if (vEnd) {
-      switch (vEnd.constructor) {
-        case Number:
-          sExpires = vEnd === Infinity ? "; expires=Fri, 31 Dec 9999 23:59:59 GMT" : "; max-age=" + vEnd;
-          break;
-        case String:
-          sExpires = "; expires=" + vEnd;
-          break;
-        case Date:
-          sExpires = "; expires=" + vEnd.toUTCString();
-          break;
-      }
-    }
-    document.cookie = encodeURIComponent(sKey) + "=" + encodeURIComponent(sValue) + sExpires + (sDomain ? "; domain=" + sDomain : "") + (sPath ? "; path=" + sPath : "") + (bSecure ? "; secure" : "");
-    return true;
-  },
-  removeItem: function (sKey, sPath, sDomain) {
-    if (!sKey || !this.hasItem(sKey)) { return false; }
-    document.cookie = encodeURIComponent(sKey) + "=; expires=Thu, 01 Jan 1970 00:00:00 GMT" + ( sDomain ? "; domain=" + sDomain : "") + ( sPath ? "; path=" + sPath : "");
-    return true;
-  },
-  hasItem: function (sKey) {
-    return (new RegExp("(?:^|;\\s*)" + encodeURIComponent(sKey).replace(/[\-\.\+\*]/g, "\\$&") + "\\s*\\=")).test(document.cookie);
-  },
-  keys: /* optional method: you can safely remove it! */ function () {
-    var aKeys = document.cookie.replace(/((?:^|\s*;)[^\=]+)(?=;|$)|^\s*|\s*(?:\=[^;]*)?(?:\1|$)/g, "").split(/\s*(?:\=[^;]*)?;\s*/);
-    for (var nIdx = 0; nIdx < aKeys.length; nIdx++) { aKeys[nIdx] = decodeURIComponent(aKeys[nIdx]); }
-    return aKeys;
-  }
-};
-
-if (process.env.NODE_ENV === 'test') {
-    module.exports = docCookies;
-}
diff --git a/resources/assets/src/js/user/profile.js b/resources/assets/src/js/user/profile.js
index 64d3f2f1..99563c17 100644
--- a/resources/assets/src/js/user/profile.js
+++ b/resources/assets/src/js/user/profile.js
@@ -70,18 +70,13 @@ async function changePassword() {
             });
 
             if (errno === 0) {
-                try {
-                    await swal({
-                        type: 'success',
-                        text: msg
-                    });
-                    await logout();
-                } catch (error) {
-                    docCookies.removeItem('token') && console.warn(error);
-                } finally {
-                    window.location = url('auth/login');
-                }
-                return;
+                await swal({
+                    type: 'success',
+                    text: msg
+                });
+
+                // Cookies were already deleted by remote server
+                return window.location = url('auth/login');
             } else {
                 return swal({ type: 'warning', text: msg });
             }
@@ -136,14 +131,8 @@ async function changeEmail() {
                 type: 'success',
                 text: msg
             });
-            
-            try {
-                await logout();
-            } catch (error) {
-                docCookies.removeItem('token') && console.warn(error);
-            } finally {
-                window.location = url('auth/login');
-            }
+
+            return window.location = url('auth/login');
         } else {
             return swal({ type: 'warning', text: msg });
         }