diff --git a/helloworld/.gitignore b/helloworld/.gitignore
deleted file mode 100644
index 3d64647..0000000
--- a/helloworld/.gitignore
+++ /dev/null
@@ -1,9 +0,0 @@
-# Files and directories created by pub
-.dart_tool/
-.packages
-
-# Conventional directory for build outputs
-build/
-
-# Directory created by dartdoc
-doc/api/
diff --git a/helloworld/analysis_options.yaml b/helloworld/analysis_options.yaml
deleted file mode 100644
index c5ea622..0000000
--- a/helloworld/analysis_options.yaml
+++ /dev/null
@@ -1,8 +0,0 @@
-# Defines a default set of lint rules enforced for
-# projects at Google. For details and rationale,
-# see https://github.com/dart-lang/pedantic#enabled-lints.
-include: package:pedantic/analysis_options.yaml
-
-linter:
-  rules:
-    - omit_local_variable_types
diff --git a/helloworld/bin/helloworld.dart b/helloworld/bin/helloworld.dart
deleted file mode 100644
index c4c4349..0000000
--- a/helloworld/bin/helloworld.dart
+++ /dev/null
@@ -1,7 +0,0 @@
-// Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-void main() {
-  print("Hello, World!");
-}
diff --git a/helloworld/pubspec.yaml b/helloworld/pubspec.yaml
deleted file mode 100644
index 70f85d5..0000000
--- a/helloworld/pubspec.yaml
+++ /dev/null
@@ -1,9 +0,0 @@
-name: helloworld
-description: A sample application
-homepage: https://dart.dev/tutorials/server/cmdline
-
-environment:
-  sdk: '>=2.3.0 <3.0.0'
-
-dev_dependencies:
-  pedantic: ^1.7.0