diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index ed13c9084..53425c73e 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -15,5 +15,5 @@ jobs:
         with:
           channel: 'stable'
       - run: flutter pub get
-      - run: ./scripts/format.sh
+      - run: ./scripts/lint.sh
       - run: flutter test
diff --git a/lib/box2d/box2d_game.dart b/lib/box2d/box2d_game.dart
index 8def1dfa5..501a51362 100644
--- a/lib/box2d/box2d_game.dart
+++ b/lib/box2d/box2d_game.dart
@@ -1,5 +1,3 @@
-import 'dart:ui';
-
 import 'package:flame/box2d/box2d_component.dart';
 import 'package:flame/box2d/contact_callbacks.dart';
 import 'package:flame/components/component.dart';
diff --git a/lib/components/component.dart b/lib/components/component.dart
index 8a1b74ac8..96fd1fa85 100644
--- a/lib/components/component.dart
+++ b/lib/components/component.dart
@@ -78,7 +78,7 @@ abstract class PositionComponent extends Component {
   bool renderFlipX = false;
   bool renderFlipY = false;
   bool debugMode = false;
-  List<PositionComponentEffect> _effects = [];
+  final List<PositionComponentEffect> _effects = [];
 
   Color get debugColor => const Color(0xFFFF00FF);
 
diff --git a/lib/components/flare_component.dart b/lib/components/flare_component.dart
index f1af890d5..f61b6dc5b 100644
--- a/lib/components/flare_component.dart
+++ b/lib/components/flare_component.dart
@@ -46,12 +46,16 @@ class FlareComponent extends PositionComponent {
   @override
   set width(_width) {
     super.width = _width;
-    if (loaded()) _flareAnimation.width = width;
+    if (loaded()) {
+      _flareAnimation.width = width;
+    }
   }
 
   @override
   set height(_height) {
     super.height = _height;
-    if (loaded()) _flareAnimation.height = height;
+    if (loaded()) {
+      _flareAnimation.height = height;
+    }
   }
 }
diff --git a/lib/flame.dart b/lib/flame.dart
index 619fb73d7..64ed74c19 100644
--- a/lib/flame.dart
+++ b/lib/flame.dart
@@ -1,8 +1,6 @@
 library flame;
 
 import 'package:audioplayers/audio_cache.dart';
-import 'package:flutter/foundation.dart';
-import 'package:flutter/gestures.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter/widgets.dart';
 
diff --git a/scripts/format.sh b/scripts/format.sh
deleted file mode 100755
index d6703875d..000000000
--- a/scripts/format.sh
+++ /dev/null
@@ -1,6 +0,0 @@
-if [[ $(flutter format -n .) ]]; then
-    echo "files not formatted"
-    exit 1
-else
-    exit 0
-fi
\ No newline at end of file
diff --git a/scripts/lint.sh b/scripts/lint.sh
new file mode 100755
index 000000000..2751a3dcb
--- /dev/null
+++ b/scripts/lint.sh
@@ -0,0 +1,13 @@
+if [[ $(flutter format -n .) ]]; then
+    echo "flutter format issue"
+    exit 1
+fi
+
+result=`dartanalyzer lib/`
+if ! echo "$result" | grep -q "No issues found!"; then
+  echo "dartanalyzer issue"
+  exit 1
+fi
+
+echo "success"
+exit 0