diff --git a/dwds/analysis_options.yaml b/dwds/analysis_options.yaml
index 84b117387..3106b5c9b 100644
--- a/dwds/analysis_options.yaml
+++ b/dwds/analysis_options.yaml
@@ -5,9 +5,15 @@ include: package:lints/recommended.yaml
 
 analyzer:
   exclude:
-      # Ignore generated files
+    # Ignore generated files
     - "lib/data/*"
+    # Ignore debug extension builds
+    - "debug_extension/dev_build/*"
+    - "debug_extension/prod_build/*"
+    - "debug_extension_mv3/dev_build/*"
+    - "debug_extension_mv3/prod_build/*"
 
 linter:
   rules:
     - prefer_final_locals
+    - unawaited_futures
diff --git a/dwds/debug_extension/tool/update_dev_files.dart b/dwds/debug_extension/tool/update_dev_files.dart
index 24ec970be..ece741349 100644
--- a/dwds/debug_extension/tool/update_dev_files.dart
+++ b/dwds/debug_extension/tool/update_dev_files.dart
@@ -2,11 +2,11 @@
 // 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.
 
+import 'dart:async';
 import 'dart:io';
 
 void main() async {
-  _updateManifestJson();
-  _updateDevtoolsJs();
+  await Future.wait([_updateManifestJson(), _updateDevtoolsJs()]);
 }
 
 /// Adds the Googler extension key, updates the extension icon, and prefixes the
@@ -17,7 +17,7 @@ Future<void> _updateManifestJson() async {
   final extensionKey = await extensionKeyTxt.exists()
       ? await extensionKeyTxt.readAsString()
       : null;
-  _transformDevFile(manifestJson, (line) {
+  return _transformDevFile(manifestJson, (line) {
     if (_matchesKey(line: line, key: 'name')) {
       return [
         _newKeyValue(
diff --git a/dwds/debug_extension_mv3/tool/update_dev_files.dart b/dwds/debug_extension_mv3/tool/update_dev_files.dart
index 22bb4c4cb..99d7db809 100644
--- a/dwds/debug_extension_mv3/tool/update_dev_files.dart
+++ b/dwds/debug_extension_mv3/tool/update_dev_files.dart
@@ -2,10 +2,11 @@
 // 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.
 
+import 'dart:async';
 import 'dart:io';
 
 void main() async {
-  _updateManifestJson();
+  await _updateManifestJson();
 }
 
 /// Adds the Googler extension key.
@@ -15,7 +16,7 @@ Future<void> _updateManifestJson() async {
   final extensionKey = await extensionKeyTxt.exists()
       ? await extensionKeyTxt.readAsString()
       : null;
-  _transformDevFile(manifestJson, (line) {
+  return _transformDevFile(manifestJson, (line) {
     if (_matchesKey(line: line, key: 'name')) {
       return [
         line,
diff --git a/dwds/lib/src/services/batched_expression_evaluator.dart b/dwds/lib/src/services/batched_expression_evaluator.dart
index 64338fd38..e0caa8a8e 100644
--- a/dwds/lib/src/services/batched_expression_evaluator.dart
+++ b/dwds/lib/src/services/batched_expression_evaluator.dart
@@ -121,7 +121,7 @@ class BatchedExpressionEvaluator extends ExpressionEvaluator {
       final request = requests[i];
       if (request.completer.isCompleted) continue;
       _logger.fine('Getting result out of a batch for ${request.expression}');
-      _debugger
+      unawaited(_debugger
           .getProperties(list.objectId!,
               offset: i, count: 1, length: requests.length)
           .then((v) {
@@ -129,7 +129,7 @@ class BatchedExpressionEvaluator extends ExpressionEvaluator {
         _logger.fine(
             'Got result out of a batch for ${request.expression}: $result');
         request.completer.complete(result);
-      });
+      }));
     }
   }
 }