The delete_un_used_assets package provides a concrete way of deleting assets using
Dart code.
Put it under [dev_dependencies], in your [pubspec.yaml].
dev_dependencies:
delete_un_used_assets: [latest-version]After running the command line at the bottom, it will search within the assets folder of your project
for any unused file within your project, then it will be deleted from this folder and moved to
a new folder deleted_assets in the root of your project with keeping track of deleted files.
In your project root directory, run the following command:
flutter pub run delete_un_used_assets:start <assetsPath>The available arg is assetsPath
assetsPath: if you want to specify the path of the assets folder, you can do it by passing the path, but the default value isassets.