diff --git a/app/Controllers/AuthController.php b/app/Controllers/AuthController.php
index 7d7cbda..af55379 100644
--- a/app/Controllers/AuthController.php
+++ b/app/Controllers/AuthController.php
@@ -1,4 +1,4 @@
-﻿<?php
+<?php
 
 class AuthController
 {
diff --git a/app/Controllers/HabitController.php b/app/Controllers/HabitController.php
index 1a0efef..5991b3f 100644
--- a/app/Controllers/HabitController.php
+++ b/app/Controllers/HabitController.php
@@ -1,4 +1,4 @@
-﻿<?php
+<?php
 
 class HabitController
 {
diff --git a/app/Core/Database.php b/app/Core/Database.php
index 325862c..5a3d67b 100644
--- a/app/Core/Database.php
+++ b/app/Core/Database.php
@@ -1,8 +1,5 @@
 <?php
 
-use PDO;
-use PDOException;
-
 class Database
 {
     private static ?PDO $connection = null;
diff --git a/app/Models/Category.php b/app/Models/Category.php
index c984432..47df801 100644
--- a/app/Models/Category.php
+++ b/app/Models/Category.php
@@ -1,4 +1,4 @@
-﻿<?php
+<?php
 
 class Category
 {
diff --git a/app/Models/Habit.php b/app/Models/Habit.php
index 53f0289..63f073c 100644
--- a/app/Models/Habit.php
+++ b/app/Models/Habit.php
@@ -1,4 +1,4 @@
-﻿<?php
+<?php
 
 class Habit
 {
diff --git a/app/Views/auth/login.php b/app/Views/auth/login.php
index 38cf9cc..519d511 100644
--- a/app/Views/auth/login.php
+++ b/app/Views/auth/login.php
@@ -1,4 +1,4 @@
-﻿<section class="auth-panel">
+<section class="auth-panel">
     <h1>Anmelden</h1>
     <form method="post" action="index.php?route=login" class="form">
         <?= csrf_field() ?>
diff --git a/app/Views/auth/register.php b/app/Views/auth/register.php
index 526058e..a64e292 100644
--- a/app/Views/auth/register.php
+++ b/app/Views/auth/register.php
@@ -1,4 +1,4 @@
-﻿<section class="auth-panel">
+<section class="auth-panel">
     <h1>Registrieren</h1>
     <form method="post" action="index.php?route=register" class="form">
         <?= csrf_field() ?>
diff --git a/app/Views/habits/dashboard.php b/app/Views/habits/dashboard.php
index 6504bcd..15c6df5 100644
--- a/app/Views/habits/dashboard.php
+++ b/app/Views/habits/dashboard.php
@@ -1,4 +1,4 @@
-﻿<section class="dashboard-head">
+<section class="dashboard-head">
     <div>
         <p class="eyebrow">Heute</p>
         <h1>Deine Habits</h1>
diff --git a/app/Views/habits/form.php b/app/Views/habits/form.php
index 6b6ac43..e32f02b 100644
--- a/app/Views/habits/form.php
+++ b/app/Views/habits/form.php
@@ -1,4 +1,4 @@
-﻿<?php $isEdit = !empty($habit['id']); ?>
+<?php $isEdit = !empty($habit['id']); ?>
 
 <section class="form-panel">
     <h1><?= $isEdit ? 'Habit bearbeiten' : 'Habit erstellen' ?></h1>
diff --git a/app/Views/layout/header.php b/app/Views/layout/header.php
index cdd1fcf..0e43b3d 100644
--- a/app/Views/layout/header.php
+++ b/app/Views/layout/header.php
@@ -1,4 +1,4 @@
-﻿<!doctype html>
+<!doctype html>
 <html lang="de">
 <head>
     <meta charset="utf-8">
diff --git a/app/helpers.php b/app/helpers.php
index 627acfa..7be5164 100644
--- a/app/helpers.php
+++ b/app/helpers.php
@@ -1,4 +1,4 @@
-﻿<?php
+<?php
 
 function config(string $key, $default = null)
 {
diff --git a/config/config.example.php b/config/config.example.php
index c1e0d8f..65ebb17 100644
--- a/config/config.example.php
+++ b/config/config.example.php
@@ -1,4 +1,4 @@
-﻿<?php
+<?php
 
 return [
     'app_name' => 'Habit Tracker',
diff --git a/public/index.php b/public/index.php
index f47fe20..0880de6 100644
--- a/public/index.php
+++ b/public/index.php
@@ -1,4 +1,4 @@
-﻿<?php
+<?php
 
 declare(strict_types=1);
 
