diff --git a/src/app/@theme/layouts/one-column/one-column.layout.ts b/src/app/@theme/layouts/one-column/one-column.layout.ts
index 6486d63f..cc0b789a 100644
--- a/src/app/@theme/layouts/one-column/one-column.layout.ts
+++ b/src/app/@theme/layouts/one-column/one-column.layout.ts
@@ -9,7 +9,7 @@ import { Component } from '@angular/core';
         <ngx-header></ngx-header>
       </nb-layout-header>
 
-      <nb-sidebar class="menu-sidebar" tag="menu-sidebar" responsive start>
+      <nb-sidebar class="menu-sidebar" tag="menu-sidebar" responsive>
         <ng-content select="nb-menu"></ng-content>
       </nb-sidebar>
 
diff --git a/src/app/@theme/layouts/three-columns/three-columns.layout.ts b/src/app/@theme/layouts/three-columns/three-columns.layout.ts
index e4aa4c58..0c7528d7 100644
--- a/src/app/@theme/layouts/three-columns/three-columns.layout.ts
+++ b/src/app/@theme/layouts/three-columns/three-columns.layout.ts
@@ -9,7 +9,7 @@ import { Component } from '@angular/core';
         <ngx-header></ngx-header>
       </nb-layout-header>
 
-      <nb-sidebar class="menu-sidebar" tag="menu-sidebar" responsive start>
+      <nb-sidebar class="menu-sidebar" tag="menu-sidebar" responsive>
         <ng-content select="nb-menu"></ng-content>
       </nb-sidebar>
 
diff --git a/src/app/@theme/layouts/two-columns/two-columns.layout.ts b/src/app/@theme/layouts/two-columns/two-columns.layout.ts
index d4ef5ca4..724feade 100644
--- a/src/app/@theme/layouts/two-columns/two-columns.layout.ts
+++ b/src/app/@theme/layouts/two-columns/two-columns.layout.ts
@@ -9,7 +9,7 @@ import { Component } from '@angular/core';
         <ngx-header></ngx-header>
       </nb-layout-header>
 
-      <nb-sidebar class="menu-sidebar" tag="menu-sidebar" responsive start>
+      <nb-sidebar class="menu-sidebar" tag="menu-sidebar" responsive>
         <ng-content select="nb-menu"></ng-content>
       </nb-sidebar>
 
diff --git a/src/app/app.component.ts b/src/app/app.component.ts
index faf0c5c4..2962b9a5 100644
--- a/src/app/app.component.ts
+++ b/src/app/app.component.ts
@@ -16,7 +16,7 @@ export class AppComponent implements OnInit {
   constructor(private analytics: AnalyticsService, private seoService: SeoService) {
   }
 
-  ngOnInit() {
+  ngOnInit(): void {
     this.analytics.trackPageViews();
     this.seoService.trackCanonicalChanges();
   }