diff --git a/dev/App/Abstract.js b/dev/App/Abstract.js
index 547f22eca..4453a7f89 100644
--- a/dev/App/Abstract.js
+++ b/dev/App/Abstract.js
@@ -165,6 +165,16 @@ class AbstractApp {
 		LanguageStore.populate();
 		ThemeStore.populate();
 	}
+
+	/**
+	 * @returns {void}
+	 */
+	hideLoading() {
+		const id = id => document.getElementById(id);
+		id('rl-content').hidden = false;
+		id('rl-loading').remove();
+	}
+
 }
 
 export { AbstractApp, AbstractApp as default };
diff --git a/dev/App/Admin.js b/dev/App/Admin.js
index 78d2c57d0..e3e185e68 100644
--- a/dev/App/Admin.js
+++ b/dev/App/Admin.js
@@ -12,7 +12,7 @@ import Remote from 'Remote/Admin/Fetch';
 import { SettingsAdminScreen } from 'Screen/Admin/Settings';
 import { LoginAdminScreen } from 'Screen/Admin/Login';
 
-import { hideLoading, startScreens } from 'Knoin/Knoin';
+import { startScreens } from 'Knoin/Knoin';
 import { AbstractApp } from 'App/Abstract';
 
 class AdminApp extends AbstractApp {
@@ -104,7 +104,7 @@ class AdminApp extends AbstractApp {
 		AppStore.populate();
 		CapaStore.populate();
 
-		hideLoading();
+		this.hideLoading();
 
 		if (!rl.settings.app('allowAdminPanel')) {
 			rl.route.root();
diff --git a/dev/App/User.js b/dev/App/User.js
index 9cda8ebcb..3f0ff3471 100644
--- a/dev/App/User.js
+++ b/dev/App/User.js
@@ -68,7 +68,7 @@ import { LoginUserScreen } from 'Screen/User/Login';
 import { MailBoxUserScreen } from 'Screen/User/MailBox';
 import { SettingsUserScreen } from 'Screen/User/Settings';
 
-import { hideLoading, startScreens, showScreenPopup } from 'Knoin/Knoin';
+import { startScreens, showScreenPopup } from 'Knoin/Knoin';
 
 import { AbstractApp } from 'App/Abstract';
 
@@ -907,7 +907,7 @@ class AppUser extends AbstractApp {
 		if (window.progressJs) {
 			progressJs.end();
 		}
-		hideLoading();
+		this.hideLoading();
 	}
 
 	bootstart() {
diff --git a/dev/Knoin/Knoin.js b/dev/Knoin/Knoin.js
index 5498e8f74..ac1579970 100644
--- a/dev/Knoin/Knoin.js
+++ b/dev/Knoin/Knoin.js
@@ -9,7 +9,6 @@ let currentScreen = null,
 	popupVisibilityNames = [];
 
 const SCREENS = {},
-	qs = s => document.querySelector(s),
 	isNonEmptyArray = Array.isNotEmpty,
 	autofocus = dom => {
 //		if (!bMobileDevice) {
@@ -26,14 +25,6 @@ export const ViewType = {
 	Center: 'Center'
 };
 
-/**
- * @returns {void}
- */
-export function hideLoading() {
-	qs('#rl-content').hidden = false;
-	qs('#rl-loading').remove();
-}
-
 /**
  * @param {Function} fExecute
  * @param {(Function|boolean|null)=} fCanExecute = true
@@ -125,7 +116,7 @@ function buildViewModel(ViewModelClass, vmScreen) {
 		let vmDom = null;
 		const vm = new ViewModelClass(vmScreen),
 			position = ViewModelClass.__type || '',
-			vmPlace = position ? qs('#rl-content #rl-' + position.toLowerCase()) : null;
+			vmPlace = position ? document.querySelector('#rl-content #rl-' + position.toLowerCase()) : null;
 
 		ViewModelClass.__builded = true;
 		ViewModelClass.__vm = vm;