Flutter remove border expansion tile

November 23, 2023 by Tarik

You can wrap it in a Theme widget and do like this:

Theme(
  data: ThemeData().copyWith(dividerColor: Colors.transparent),
  child: ExpansionTile(

or if you’re using custom theme settings, you can use Theme.of(context) instead of ThemeData() like this:

Theme(
  data: Theme.of(context).copyWith(dividerColor: Colors.transparent),
      child: ExpansionTile(