app/Http/Middleware/DisableDebugbar.php

+<?php
+
+namespace App\Http\Middleware;
+
+use Barryvdh\Debugbar\Facades\Debugbar;
+use Closure;
+
+class DisableDebugbar
+{
+    public function handle($request, Closure $next)
+    {
+        if (app()->bound('debugbar')) {
+            Debugbar::disable();
+        }
+
+        return $next($request);
+    }
+}