diff --git a/src/components/appFooter/appFooter.js b/src/components/appFooter/appFooter.js
index f599a0e0ea..38253d2210 100644
--- a/src/components/appFooter/appFooter.js
+++ b/src/components/appFooter/appFooter.js
@@ -11,25 +11,23 @@ function render() {
 
 class AppFooter {
     constructor() {
-        const self = this;
+        this.element = render();
 
-        self.element = render();
-        self.add = function (elem) {
-            self.element.appendChild(elem);
+        this.add = function (elem) {
+            this.element.appendChild(elem);
         };
 
-        self.insert = function (elem) {
+        this.insert = function (elem) {
             if (typeof elem === 'string') {
-                self.element.insertAdjacentHTML('afterbegin', elem);
+                this.element.insertAdjacentHTML('afterbegin', elem);
             } else {
-                self.element.insertBefore(elem, self.element.firstChild);
+                this.element.insertBefore(elem, this.element.firstChild);
             }
         };
     }
-    destroy() {
-        const self = this;
 
-        self.element = null;
+    destroy() {
+        this.element = null;
     }
 }