diff --git a/app/Handlers/Commands/Invite/ClaimInviteCommandHandler.php b/app/Handlers/Commands/Invite/ClaimInviteCommandHandler.php
index fd1bac34..d7b60a5e 100644
--- a/app/Handlers/Commands/Invite/ClaimInviteCommandHandler.php
+++ b/app/Handlers/Commands/Invite/ClaimInviteCommandHandler.php
@@ -11,9 +11,9 @@
 
 namespace CachetHQ\Cachet\Handlers\Commands\Invite;
 
-use Carbon\Carbon;
 use CachetHQ\Cachet\Commands\Invite\ClaimInviteCommand;
 use CachetHQ\Cachet\Events\Invite\InviteWasClaimed;
+use Carbon\Carbon;
 
 class ClaimInviteCommandHandler
 {
diff --git a/app/Http/Controllers/SignupController.php b/app/Http/Controllers/SignupController.php
index 2a7d9448..178a2ac7 100644
--- a/app/Http/Controllers/SignupController.php
+++ b/app/Http/Controllers/SignupController.php
@@ -11,9 +11,8 @@
 
 namespace CachetHQ\Cachet\Http\Controllers;
 
-use AltThree\Validator\ValidationException;
-use CachetHQ\Cachet\Commands\User\SignupUserCommand;
 use CachetHQ\Cachet\Commands\Invite\ClaimInviteCommand;
+use CachetHQ\Cachet\Commands\User\SignupUserCommand;
 use CachetHQ\Cachet\Facades\Setting;
 use CachetHQ\Cachet\Models\Invite;
 use GrahamCampbell\Binput\Facades\Binput;
diff --git a/app/Models/Invite.php b/app/Models/Invite.php
index 752439f5..84bf5d93 100644
--- a/app/Models/Invite.php
+++ b/app/Models/Invite.php
@@ -12,7 +12,6 @@
 namespace CachetHQ\Cachet\Models;
 
 use Illuminate\Database\Eloquent\Model;
-use Illuminate\Support\Str;
 
 class Invite extends Model
 {
diff --git a/database/migrations/2015_10_31_211944_CreateInvitesTable.php b/database/migrations/2015_10_31_211944_CreateInvitesTable.php
index e72bc657..ae839be8 100644
--- a/database/migrations/2015_10_31_211944_CreateInvitesTable.php
+++ b/database/migrations/2015_10_31_211944_CreateInvitesTable.php
@@ -1,7 +1,16 @@
 <?php
 
-use Illuminate\Database\Schema\Blueprint;
+/*
+ * This file is part of Cachet.
+ *
+ * (c) Alt Three Services Limited
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
 use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
 
 class CreateInvitesTable extends Migration
 {