diff --git a/lib/mobile/pages/play_display_page.dart b/lib/mobile/pages/play_display_page.dart
index 3aeddc1..d130ee3 100644
--- a/lib/mobile/pages/play_display_page.dart
+++ b/lib/mobile/pages/play_display_page.dart
@@ -1,4 +1,3 @@
-import 'dart:io';
 import 'dart:math';
 
 import 'package:chinese_font_library/chinese_font_library.dart';