diff --git a/app/Notifications/Expense/Bill.php b/app/Notifications/Expense/Bill.php
index 0d7df9d83..e80b9ad56 100644
--- a/app/Notifications/Expense/Bill.php
+++ b/app/Notifications/Expense/Bill.php
@@ -2,22 +2,22 @@
 
 namespace App\Notifications\Expense;
 
-use Illuminate\Bus\Queueable;
-use Illuminate\Contracts\Queue\ShouldQueue;
 use Illuminate\Notifications\Notification;
 use Illuminate\Notifications\Messages\MailMessage;
 
-class Bill extends Notification implements ShouldQueue
+class Bill extends Notification
 {
-    use Queueable;
-
+    /**
+     * The invoice model.
+     *
+     * @var object
+     */
     public $bill;
 
     /**
      * Create a notification instance.
      *
      * @param  object  $bill
-     * @return void
      */
     public function __construct($bill)
     {
diff --git a/app/Notifications/Income/Invoice.php b/app/Notifications/Income/Invoice.php
index 354786e9a..6ddb0862e 100644
--- a/app/Notifications/Income/Invoice.php
+++ b/app/Notifications/Income/Invoice.php
@@ -2,22 +2,22 @@
 
 namespace App\Notifications\Income;
 
-use Illuminate\Bus\Queueable;
-use Illuminate\Contracts\Queue\ShouldQueue;
 use Illuminate\Notifications\Notification;
 use Illuminate\Notifications\Messages\MailMessage;
 
-class Invoice extends Notification implements ShouldQueue
+class Invoice extends Notification
 {
-    use Queueable;
-
+    /**
+     * The bill model.
+     *
+     * @var object
+     */
     public $invoice;
 
     /**
      * Create a notification instance.
      *
      * @param  object  $invoice
-     * @return void
      */
     public function __construct($invoice)
     {
diff --git a/database/migrations/2017_11_16_000000_create_failed_jobs_table.php b/database/migrations/2017_11_16_000000_create_failed_jobs_table.php
new file mode 100644
index 000000000..b11a926f5
--- /dev/null
+++ b/database/migrations/2017_11_16_000000_create_failed_jobs_table.php
@@ -0,0 +1,34 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+
+class CreateFailedJobsTable extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::create('failed_jobs', function (Blueprint $table) {
+            $table->bigIncrements('id');
+            $table->text('connection');
+            $table->text('queue');
+            $table->longText('payload');
+            $table->longText('exception');
+            $table->timestamp('failed_at')->useCurrent();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::dropIfExists('failed_jobs');
+    }
+}