diff --git a/Frontend-user/lib/refsem b/Frontend-user/lib/refsem
deleted file mode 100644
index 9a33b70..0000000
--- a/Frontend-user/lib/refsem
+++ /dev/null
@@ -1,169 +0,0 @@
-import 'package:flutter/material.dart';
-import 'package:flutter_svg/svg.dart';
-import 'package:intl/intl.dart';
-import 'main.dart';
-import 'studierendenausweis.dart';
-
-class ShowSemester extends StatefulWidget {
-  final bool isWinter;
-  final DateTime now;
-  const ShowSemester(this.isWinter, this.now, {super.key});
-
-  @override
-  State<ShowSemester> createState() => _ShowSemester();
-}
-
-class _ShowSemester extends State<ShowSemester> with TickerProviderStateMixin {
-  late final controller = AnimationController(
-    duration: const Duration(seconds: 6),
-    vsync: this,
-  )..repeat(reverse: true);
-
-  @override
-  Widget build(BuildContext context) {
-    bool isWinter = widget.isWinter;
-    final now = widget.now;
-    final format = DateFormat("dd.MM.yyyy", 'de_DE');
-    final beginning = isWinter
-        ? now.month > 6
-            ? '01.10.${now.year}'
-            : '01.10.${now.year - 1}'
-        : '01.04.${now.year}';
-    final validFrom = isWinter
-        ? now.month != DateTime.september
-            ? format.format(now)
-            : '01.10.${now.year}'
-        : now.month != DateTime.march
-            ? format.format(now)
-            : '01.04.${now.year}';
-    final ending = isWinter
-        ? now.month > 6
-            ? '31.03.${now.year + 1}'
-            : '31.03.${now.year}'
-        : '30.09.${now.year}';
-
-    return Scaffold(
-        appBar: AppBar(
-          title: const Text('Ihre Karte'),
-        ),
-        body: ListView(
-            padding:
-                const EdgeInsets.only(top: 8, bottom: 8, left: 16, right: 16),
-            children: [
-              Row(
-                crossAxisAlignment: CrossAxisAlignment.baseline,
-                textBaseline: TextBaseline.ideographic,
-                children: [
-                  SvgPicture.asset('assets/RMV_logo.svg',
-                      height: 16, fit: BoxFit.fitHeight),
-                  Text(
-                    ' 01 - ${Ticket().matrikel} - 001',
-                    style: TextStyle(height: 0),
-                  )
-                ],
-              ),
-              Text('$validFrom / 00:00'),
-              Padding(
-                padding: const EdgeInsets.all(8.0),
-                child: Image.asset(Ticket().picture),
-              ),
-              Text('${Ticket().vorname} ${Ticket().nachname}'),
-              const Text(
-                'Ausweis: digitaler Studierendenausweis',
-                style: TextStyle(fontSize: 12),
-              ),
-              const SizedBox(height: 12),
-              const Text('RMV-HandyTicket'),
-              const Text(
-                'SemesterTicket JGU Mainz',
-                style: TextStyle(fontSize: 18, fontWeight: FontWeight.w700),
-              ),
-              const SizedBox(height: 16),
-              Row(
-                children: [
-                  Column(
-                    crossAxisAlignment: CrossAxisAlignment.start,
-                    children: const [
-                      Text('Gültig von: '),
-                      Text('Gültig bis: '),
-                      Text('Semester: '),
-                      Text('Ticket-ID: '),
-                    ],
-                  ),
-                  Column(
-                    crossAxisAlignment: CrossAxisAlignment.start,
-                    children: [
-                      Text(validFrom),
-                      Text(ending),
-                      Text(isWinter
-                          ? 'WiSe ${now.month > 6 ? now.year : now.year - 1}'
-                          : 'SoSe ${now.year}'),
-                      Text('01 - ${Ticket().matrikel} - 001'),
-                    ],
-                  )
-                ],
-              ),
-              const SizedBox(height: 8),
-              const Text(
-                'Gültig auf allen Linien im gesamten RMV Verbundnetz und den VRN-Übergangstarifgebieten. Gültig auf allen Linien im Verbundnetz des RNN inkl. ÜB AzWo. KBS 471 (Nahverkehr bis Koblenz). Es gelten die gemeinsamen Beförderungsbedingungen und Tarifbestimmungen.',
-                style: TextStyle(fontSize: 10),
-              ),
-              const SizedBox(height: 4),
-              Padding(
-                padding: const EdgeInsets.only(right: 114 + 16),
-                child: SlideTransition(
-                    position: Tween<Offset>(
-                      begin: const Offset(0.0, 0.0),
-                      end: const Offset(1.0, 0.0),
-                    ).animate(CurvedAnimation(
-                      parent: controller,
-                      curve: Curves.linear,
-                    )),
-                    child: Row(
-                      children: [
-                        SvgPicture.asset(
-                          'assets/RNN_logo.svg',
-                          height: 20,
-                          fit: BoxFit.fitHeight,
-                        ),
-                        const SizedBox(width: 4),
-                        SvgPicture.asset(
-                          'assets/RMV_logo.svg',
-                          height: 16,
-                          fit: BoxFit.fitHeight,
-                        ),
-                      ],
-                    )),
-              ),
-              const SizedBox(height: 8),
-              SizedBox(
-                height: 28,
-                child: Center(
-                  child: TextButton(
-                      onPressed: () {
-                        Navigator.push(
-                            context,
-                            MaterialPageRoute(
-                                builder: (context) =>
-                                    ShowAusweis(isWinter, now)));
-                      },
-                      child: const Text(
-                        ' Studierendenausweis ',
-                        style: TextStyle(
-                            color: Colors.white,
-                            height: 1.0,
-                            fontWeight: FontWeight.w400),
-                      )),
-                ),
-              ),
-              Text('Gesamtlaufzeit: $beginning bis $ending',
-                  style: const TextStyle(fontSize: 12))
-            ]));
-  }
-
-  @override
-  void dispose() {
-    controller.dispose();
-    super.dispose();
-  }
-}