diff --git a/bin/internal/engine.version b/bin/internal/engine.version
index 28669c2ef5..1f9887dcfd 100644
--- a/bin/internal/engine.version
+++ b/bin/internal/engine.version
@@ -1 +1 @@
-aed6b8c46b05c7cee4506a9757dd9ea1b40583c2
+08272ee6aa33cc367911ac816f25676c3f439c6d
diff --git a/packages/analysis_options.yaml b/packages/analysis_options.yaml
index 0823addcf9..001e88fa3a 100644
--- a/packages/analysis_options.yaml
+++ b/packages/analysis_options.yaml
@@ -3,11 +3,6 @@
 
 include: ../analysis_options.yaml
 
-analyzer:
-  errors:
-    # https://github.com/dart-lang/sdk/issues/34819
-    invalid_use_of_protected_member: ignore
-
 linter:
   rules:
     - public_member_api_docs
diff --git a/packages/flutter_tools/test/integration/expression_evaluation_test.dart b/packages/flutter_tools/test/integration/expression_evaluation_test.dart
index 7882dd3de7..3648669612 100644
--- a/packages/flutter_tools/test/integration/expression_evaluation_test.dart
+++ b/packages/flutter_tools/test/integration/expression_evaluation_test.dart
@@ -6,6 +6,7 @@ import 'dart:async';
 
 import 'package:file/file.dart';
 import 'package:flutter_tools/src/base/file_system.dart';
+import 'package:flutter_tools/src/base/platform.dart';
 
 import 'package:vm_service_client/vm_service_client.dart';
 
@@ -110,6 +111,5 @@ void main() {
     // TODO(dantup): Unskip after flutter-tester is fixed on Windows:
     // https://github.com/flutter/flutter/issues/17833.
     // https://github.com/flutter/flutter/issues/21348.
-    // https://github.com/flutter/flutter/issues/23109
-  }, timeout: const Timeout.factor(6), skip: true);
+  }, timeout: const Timeout.factor(6), skip: platform.isWindows);
 }
diff --git a/packages/flutter_tools/test/integration/flutter_attach_test.dart b/packages/flutter_tools/test/integration/flutter_attach_test.dart
index cde445e591..61452b7fb2 100644
--- a/packages/flutter_tools/test/integration/flutter_attach_test.dart
+++ b/packages/flutter_tools/test/integration/flutter_attach_test.dart
@@ -48,6 +48,5 @@ void main() {
       await _flutterAttach.attach(_flutterRun.vmServicePort);
       await _flutterAttach.hotReload();
     });
-    // https://github.com/flutter/flutter/issues/23109
-  }, timeout: const Timeout.factor(6), skip: true);
+  }, timeout: const Timeout.factor(6));
 }
diff --git a/packages/flutter_tools/test/integration/hot_reload_test.dart b/packages/flutter_tools/test/integration/hot_reload_test.dart
index 48993acce9..a2b4f123f5 100644
--- a/packages/flutter_tools/test/integration/hot_reload_test.dart
+++ b/packages/flutter_tools/test/integration/hot_reload_test.dart
@@ -46,6 +46,5 @@ void main() {
           _project.breakpointLine);
       expect(isolate.pauseEvent, isInstanceOf<VMPauseBreakpointEvent>());
     });
-    // https://github.com/flutter/flutter/issues/23109
-  }, timeout: const Timeout.factor(6), skip: true);
+  }, timeout: const Timeout.factor(6));
 }
diff --git a/packages/flutter_tools/test/integration/lifetime_test.dart b/packages/flutter_tools/test/integration/lifetime_test.dart
index e90961c05b..76aa6444cd 100644
--- a/packages/flutter_tools/test/integration/lifetime_test.dart
+++ b/packages/flutter_tools/test/integration/lifetime_test.dart
@@ -44,6 +44,5 @@ void main() {
       await Future<void>.delayed(requiredLifespan);
       expect(_flutter.hasExited, equals(false));
     });
-    // https://github.com/flutter/flutter/issues/23109
-  }, timeout: const Timeout.factor(6), skip: true);
+  }, timeout: const Timeout.factor(6));
 }