diff --git a/lib/utils/text_line_height.dart b/lib/utils/text_line_height.dart
deleted file mode 100644
index a531074..0000000
--- a/lib/utils/text_line_height.dart
+++ /dev/null
@@ -1,5 +0,0 @@
-import 'package:flutter/widgets.dart';
-
-extension TextLineHeight on TextStyle {
-  double get lineHeight => fontSize! * height!;
-}