diff --git a/README.md b/README.md
index 210adb9..89ed428 100644
--- a/README.md
+++ b/README.md
@@ -49,9 +49,7 @@ The list of features that the old lightmeter app has and that have to be impleme
 
 ## Build
 
-```
-flutter build apk --flavor dev --dart-define cameraPreviewAspectRatio=2/3 -t lib/main_dev.dart
-```
+As part of this project is private, you will be able to run this app from the _main_dev.dart_ file (i.e. --flavor dev). Also to avoid fatal errors the _main_prod.dart_ file is excluded from analysis.
 
 ## Contribution
 
diff --git a/analysis_options.yaml b/analysis_options.yaml
index 6f0d37d..fb80863 100644
--- a/analysis_options.yaml
+++ b/analysis_options.yaml
@@ -1,3 +1,3 @@
 include: package:flutter_lints/flutter.yaml
 analyzer:
-  exclude: [lib/launch_app.dart]
\ No newline at end of file
+  exclude: [lib/main_prod.dart]
\ No newline at end of file
diff --git a/lib/launch_app.dart b/lib/launch_app.dart
deleted file mode 100644
index 69dfcb7..0000000
--- a/lib/launch_app.dart
+++ /dev/null
@@ -1,12 +0,0 @@
-import 'package:firebase_core/firebase_core.dart';
-import 'package:flutter/material.dart';
-import 'package:lightmeter/firebase_options.dart';
-
-import 'application.dart';
-import 'environment.dart';
-
-Future<void> launchApp(Environment env) async {
-  WidgetsFlutterBinding.ensureInitialized();
-  await Firebase.initializeApp(options: DefaultFirebaseOptions.currentPlatform);
-  runApp(Application(env));
-}
diff --git a/lib/main_dev.dart b/lib/main_dev.dart
index fb3d8e3..e74e87b 100644
--- a/lib/main_dev.dart
+++ b/lib/main_dev.dart
@@ -1,5 +1,9 @@
+import 'package:flutter/material.dart';
 import 'package:lightmeter/environment.dart';
 
-import 'launch_app.dart';
+import 'application.dart';
 
-void main() => launchApp(const Environment.dev());
+Future<void> main() async {
+  WidgetsFlutterBinding.ensureInitialized();
+  runApp(const Application(Environment.dev()));
+}
diff --git a/lib/main_prod.dart b/lib/main_prod.dart
index a1839f6..aefaa2f 100644
--- a/lib/main_prod.dart
+++ b/lib/main_prod.dart
@@ -1,5 +1,12 @@
+import 'package:firebase_core/firebase_core.dart';
+import 'package:flutter/material.dart';
 import 'package:lightmeter/environment.dart';
 
-import 'launch_app.dart';
+import 'application.dart';
+import 'firebase_options.dart';
 
-void main() => launchApp(const Environment.prod());
+Future<void> main() async {
+  WidgetsFlutterBinding.ensureInitialized();
+  await Firebase.initializeApp(options: DefaultFirebaseOptions.currentPlatform);
+  runApp(const Application(Environment.prod()));
+}