diff --git a/packages/flutter_tools/lib/src/resident_devtools_handler.dart b/packages/flutter_tools/lib/src/resident_devtools_handler.dart
index e0b9e55ed3..5274718f78 100644
--- a/packages/flutter_tools/lib/src/resident_devtools_handler.dart
+++ b/packages/flutter_tools/lib/src/resident_devtools_handler.dart
@@ -166,7 +166,6 @@ class FlutterResidentDevtoolsHandler implements ResidentDevtoolsHandler {
     try {
       await flutterDevice.vmService?.findExtensionIsolate(
         extension,
-        webIsolate: flutterDevice.targetPlatform == TargetPlatform.web_javascript,
       );
       return flutterDevice;
     } on VmServiceDisappearedException {
diff --git a/packages/flutter_tools/lib/src/resident_runner.dart b/packages/flutter_tools/lib/src/resident_runner.dart
index 849e0d548d..5b4ad7455a 100644
--- a/packages/flutter_tools/lib/src/resident_runner.dart
+++ b/packages/flutter_tools/lib/src/resident_runner.dart
@@ -405,18 +405,6 @@ class FlutterDevice {
     return devFS.create();
   }
 
-  Future<List<vm_service.IsolateRef>> _getCurrentIsolates() async {
-    if (targetPlatform == TargetPlatform.web_javascript) {
-      final vm_service.VM vm = await vmService.service.getVM();
-      return vm.isolates;
-    }
-    final List<FlutterView> views = await vmService.getFlutterViews();
-    return <vm_service.IsolateRef>[
-      for (FlutterView view in views)
-        view.uiIsolate,
-    ];
-  }
-
   Future<void> startEchoingDeviceLog() async {
     if (_loggingSubscription != null) {
       return;
@@ -699,9 +687,10 @@ abstract class ResidentHandlers {
       return false;
     }
     for (final FlutterDevice device in flutterDevices) {
-      for (final vm_service.IsolateRef view in await device._getCurrentIsolates()) {
+      final List<FlutterView> views = await device.vmService.getFlutterViews();
+      for (final FlutterView view in views) {
         final String data = await device.vmService.flutterDebugDumpApp(
-          isolateId: view.id,
+          isolateId: view.uiIsolate.id,
         );
         logger.printStatus(data);
       }
@@ -715,9 +704,10 @@ abstract class ResidentHandlers {
       return false;
     }
     for (final FlutterDevice device in flutterDevices) {
-      for (final vm_service.IsolateRef view in await device._getCurrentIsolates()) {
+      final List<FlutterView> views = await device.vmService.getFlutterViews();
+      for (final FlutterView view in views) {
         final String data = await device.vmService.flutterDebugDumpRenderTree(
-          isolateId: view.id,
+          isolateId: view.uiIsolate.id,
         );
         logger.printStatus(data);
       }
@@ -731,9 +721,10 @@ abstract class ResidentHandlers {
       return false;
     }
     for (final FlutterDevice device in flutterDevices) {
-      for (final vm_service.IsolateRef view in await device._getCurrentIsolates()) {
+      final List<FlutterView> views = await device.vmService.getFlutterViews();
+      for (final FlutterView view in views) {
         final String data = await device.vmService.flutterDebugDumpLayerTree(
-          isolateId: view.id,
+          isolateId: view.uiIsolate.id,
         );
         logger.printStatus(data);
       }
@@ -749,9 +740,10 @@ abstract class ResidentHandlers {
       return false;
     }
     for (final FlutterDevice device in flutterDevices) {
-      for (final vm_service.IsolateRef view in await device._getCurrentIsolates()) {
+      final List<FlutterView> views = await device.vmService.getFlutterViews();
+      for (final FlutterView view in views) {
         final String data = await device.vmService.flutterDebugDumpSemanticsTreeInTraversalOrder(
-          isolateId: view.id,
+          isolateId: view.uiIsolate.id,
         );
         logger.printStatus(data);
       }
@@ -767,9 +759,10 @@ abstract class ResidentHandlers {
       return false;
     }
     for (final FlutterDevice device in flutterDevices) {
-      for (final vm_service.IsolateRef view in await device._getCurrentIsolates()) {
+      final List<FlutterView> views = await device.vmService.getFlutterViews();
+      for (final FlutterView view in views) {
         final String data = await device.vmService.flutterDebugDumpSemanticsTreeInInverseHitTestOrder(
-          isolateId: view.id,
+          isolateId: view.uiIsolate.id,
         );
         logger.printStatus(data);
       }
@@ -783,9 +776,10 @@ abstract class ResidentHandlers {
       return false;
     }
     for (final FlutterDevice device in flutterDevices) {
-      for (final vm_service.IsolateRef view in await device._getCurrentIsolates()) {
+      final List<FlutterView> views = await device.vmService.getFlutterViews();
+      for (final FlutterView view in views) {
         await device.vmService.flutterToggleDebugPaintSizeEnabled(
-          isolateId: view.id,
+          isolateId: view.uiIsolate.id,
         );
       }
     }
@@ -798,9 +792,10 @@ abstract class ResidentHandlers {
       return false;
     }
     for (final FlutterDevice device in flutterDevices) {
-      for (final vm_service.IsolateRef view in await device._getCurrentIsolates()) {
+      final List<FlutterView> views = await device.vmService.getFlutterViews();
+      for (final FlutterView view in views) {
         await device.vmService.flutterToggleDebugCheckElevationsEnabled(
-          isolateId: view.id,
+          isolateId: view.uiIsolate.id,
         );
       }
     }
@@ -818,9 +813,10 @@ abstract class ResidentHandlers {
       if (device.targetPlatform == TargetPlatform.web_javascript) {
         continue;
       }
-      for (final vm_service.IsolateRef view in await device._getCurrentIsolates()) {
+      final List<FlutterView> views = await device.vmService.getFlutterViews();
+      for (final FlutterView view in views) {
         await device.vmService.flutterTogglePerformanceOverlayOverride(
-          isolateId: view.id,
+          isolateId: view.uiIsolate.id,
         );
       }
     }
@@ -833,9 +829,10 @@ abstract class ResidentHandlers {
       return false;
     }
     for (final FlutterDevice device in flutterDevices) {
-      for (final vm_service.IsolateRef view in await device._getCurrentIsolates()) {
+      final List<FlutterView> views = await device.vmService.getFlutterViews();
+      for (final FlutterView view in views) {
         await device.vmService.flutterToggleWidgetInspector(
-          isolateId: view.id,
+          isolateId: view.uiIsolate.id,
         );
       }
     }
@@ -848,9 +845,10 @@ abstract class ResidentHandlers {
       return false;
     }
     for (final FlutterDevice device in flutterDevices) {
-      for (final vm_service.IsolateRef view in await device._getCurrentIsolates()) {
+      final List<FlutterView> views = await device.vmService.getFlutterViews();
+      for (final FlutterView view in views) {
         await device.vmService.flutterToggleInvertOversizedImages(
-          isolateId: view.id,
+          isolateId: view.uiIsolate.id,
         );
       }
     }
@@ -863,9 +861,10 @@ abstract class ResidentHandlers {
       return false;
     }
     for (final FlutterDevice device in flutterDevices) {
-      for (final vm_service.IsolateRef view in await device._getCurrentIsolates()) {
+      final List<FlutterView> views = await device.vmService.getFlutterViews();
+      for (final FlutterView view in views) {
         await device.vmService.flutterToggleProfileWidgetBuilds(
-          isolateId: view.id,
+          isolateId: view.uiIsolate.id,
         );
       }
     }
@@ -877,9 +876,9 @@ abstract class ResidentHandlers {
     if (!supportsServiceProtocol) {
       return false;
     }
-    final List<vm_service.IsolateRef> views = await flutterDevices.first._getCurrentIsolates();
+    final List<FlutterView> views = await flutterDevices.first.vmService.getFlutterViews();
     final Brightness current = await flutterDevices.first.vmService.flutterBrightnessOverride(
-      isolateId: views.first.id,
+      isolateId: views.first.uiIsolate.id,
     );
     Brightness next;
     if (current == Brightness.light) {
@@ -888,9 +887,10 @@ abstract class ResidentHandlers {
       next = Brightness.light;
     }
     for (final FlutterDevice device in flutterDevices) {
-      for (final vm_service.IsolateRef view in await device._getCurrentIsolates()) {
+      final List<FlutterView> views = await device.vmService.getFlutterViews();
+      for (final FlutterView view in views) {
         await device.vmService.flutterBrightnessOverride(
-          isolateId: view.id,
+          isolateId: view.uiIsolate.id,
           brightness: next,
         );
       }
@@ -904,17 +904,18 @@ abstract class ResidentHandlers {
     if (!supportsServiceProtocol || !isRunningDebug) {
       return false;
     }
-    final List<vm_service.IsolateRef> views = await flutterDevices.first._getCurrentIsolates();
+    final List<FlutterView> views = await flutterDevices.first.vmService.getFlutterViews();
     final String from = await flutterDevices
       .first.vmService.flutterPlatformOverride(
-        isolateId: views.first.id,
+        isolateId: views.first.uiIsolate.id,
       );
     final String to = nextPlatform(from);
     for (final FlutterDevice device in flutterDevices) {
-      for (final vm_service.IsolateRef view in await device._getCurrentIsolates()) {
+      final List<FlutterView> views = await device.vmService.getFlutterViews();
+      for (final FlutterView view in views) {
         await device.vmService.flutterPlatformOverride(
           platform: to,
-          isolateId: view.id,
+          isolateId: view.uiIsolate.id,
         );
       }
     }
@@ -1003,17 +1004,17 @@ abstract class ResidentHandlers {
   }
 
   Future<bool> _toggleDebugBanner(FlutterDevice device, Future<void> Function() cb) async {
-    List<vm_service.IsolateRef> views = <vm_service.IsolateRef>[];
+    List<FlutterView> views = <FlutterView>[];
     if (supportsServiceProtocol) {
-      views = await device._getCurrentIsolates();
+      views = await device.vmService.getFlutterViews();
     }
 
     Future<bool> setDebugBanner(bool value) async {
       try {
-        for (final vm_service.IsolateRef view in views) {
+        for (final FlutterView view in views) {
           await device.vmService.flutterDebugAllowBanner(
             value,
-            isolateId: view.id,
+            isolateId: view.uiIsolate.id,
           );
         }
         return true;
diff --git a/packages/flutter_tools/lib/src/test/integration_test_device.dart b/packages/flutter_tools/lib/src/test/integration_test_device.dart
index 72a2f8404b..41c34ec36e 100644
--- a/packages/flutter_tools/lib/src/test/integration_test_device.dart
+++ b/packages/flutter_tools/lib/src/test/integration_test_device.dart
@@ -78,7 +78,6 @@ class IntegrationTestTestDevice implements TestDevice {
     globals.printTrace('test $id: Finding the correct isolate with the integration test service extension');
     final vm_service.IsolateRef isolateRef = await vmService.findExtensionIsolate(
       kIntegrationTestMethod,
-      webIsolate: targetPlatform == TargetPlatform.web_javascript,
     );
 
     await vmService.service.streamListen(vm_service.EventStreams.kExtension);
diff --git a/packages/flutter_tools/lib/src/vmservice.dart b/packages/flutter_tools/lib/src/vmservice.dart
index ba170cf7e9..0bb62bf183 100644
--- a/packages/flutter_tools/lib/src/vmservice.dart
+++ b/packages/flutter_tools/lib/src/vmservice.dart
@@ -845,7 +845,7 @@ class FlutterVmService {
   ///
   /// Throws a [VmServiceDisappearedException] should the VM Service disappear
   /// while making calls to it.
-  Future<vm_service.IsolateRef> findExtensionIsolate(String extensionName, {bool webIsolate = false}) async {
+  Future<vm_service.IsolateRef> findExtensionIsolate(String extensionName) async {
     try {
       await service.streamListen(vm_service.EventStreams.kIsolate);
     } on vm_service.RPCError {
@@ -863,7 +863,7 @@ class FlutterVmService {
     });
 
     try {
-      final List<vm_service.IsolateRef> refs = await _getIsolateRefs(webIsolate);
+      final List<vm_service.IsolateRef> refs = await _getIsolateRefs();
       for (final vm_service.IsolateRef ref in refs) {
         final vm_service.Isolate isolate = await getIsolateOrNull(ref.id);
         if (isolate != null && isolate.extensionRPCs.contains(extensionName)) {
@@ -881,14 +881,7 @@ class FlutterVmService {
     }
   }
 
-  Future<List<vm_service.IsolateRef>> _getIsolateRefs(bool webIsolate) async {
-    if (webIsolate) {
-      final List<vm_service.IsolateRef> refs = (await service.getVM()).isolates;
-      if (refs.isEmpty) {
-        throw VmServiceDisappearedException();
-      }
-      return refs;
-    }
+  Future<List<vm_service.IsolateRef>> _getIsolateRefs() async {
     final List<FlutterView> flutterViews = await getFlutterViews();
     if (flutterViews.isEmpty) {
       throw VmServiceDisappearedException();
diff --git a/packages/flutter_tools/test/general.shard/resident_devtools_handler_test.dart b/packages/flutter_tools/test/general.shard/resident_devtools_handler_test.dart
index ce7881e2a4..08a3e80312 100644
--- a/packages/flutter_tools/test/general.shard/resident_devtools_handler_test.dart
+++ b/packages/flutter_tools/test/general.shard/resident_devtools_handler_test.dart
@@ -205,11 +205,7 @@ void main() {
           'streamId': 'Isolate',
         }
       ),
-      FakeVmServiceRequest(
-        method: 'getVM',
-        jsonResponse: fakeVM.toJson(),
-        args: <String, Object>{},
-      ),
+      listViews,
       FakeVmServiceRequest(
         method: 'getIsolate',
         jsonResponse: isolate.toJson(),
diff --git a/packages/flutter_tools/test/general.shard/terminal_handler_test.dart b/packages/flutter_tools/test/general.shard/terminal_handler_test.dart
index 675c6bbab7..614d71d54d 100644
--- a/packages/flutter_tools/test/general.shard/terminal_handler_test.dart
+++ b/packages/flutter_tools/test/general.shard/terminal_handler_test.dart
@@ -81,11 +81,6 @@ final FakeVmServiceRequest listViews = FakeVmServiceRequest(
   },
 );
 
-final FakeVmServiceRequest getVM = FakeVmServiceRequest(
-  method: 'getVM',
-  jsonResponse: fakeVM.toJson(),
-);
-
 void main() {
   testWithoutContext('keyboard input handling single help character', () async {
     final TestRunner testRunner = TestRunner();
@@ -173,7 +168,7 @@ void main() {
 
     testWithoutContext('a - debugToggleProfileWidgetBuilds with web target', () async {
       final TerminalHandler terminalHandler = setUpTerminalHandler(<FakeVmServiceRequest>[
-        getVM,
+        listViews,
         const FakeVmServiceRequest(
           method: 'ext.flutter.profileWidgetBuilds',
           args: <String, Object>{
@@ -235,7 +230,7 @@ void main() {
 
     testWithoutContext('b - debugToggleBrightness with web target', () async {
       final TerminalHandler terminalHandler = setUpTerminalHandler(<FakeVmServiceRequest>[
-        getVM,
+        listViews,
         const FakeVmServiceRequest(
           method: 'ext.flutter.brightnessOverride',
           args: <String, Object>{
@@ -245,7 +240,7 @@ void main() {
             'value': 'Brightness.light',
           }
         ),
-        getVM,
+        listViews,
         const FakeVmServiceRequest(
           method: 'ext.flutter.brightnessOverride',
           args: <String, Object>{
@@ -315,7 +310,7 @@ void main() {
 
     testWithoutContext('i - debugToggleWidgetInspector with web target', () async {
       final TerminalHandler terminalHandler = setUpTerminalHandler(<FakeVmServiceRequest>[
-        getVM,
+        listViews,
         const FakeVmServiceRequest(
           method: 'ext.flutter.inspector.show',
           args: <String, Object>{
@@ -348,7 +343,7 @@ void main() {
 
     testWithoutContext('I - debugToggleInvertOversizedImages with web target', () async {
       final TerminalHandler terminalHandler = setUpTerminalHandler(<FakeVmServiceRequest>[
-        getVM,
+        listViews,
         const FakeVmServiceRequest(
           method: 'ext.flutter.invertOversizedImages',
           args: <String, Object>{
@@ -389,7 +384,7 @@ void main() {
 
     testWithoutContext('L - debugDumpLayerTree with web target', () async {
       final TerminalHandler terminalHandler = setUpTerminalHandler(<FakeVmServiceRequest>[
-        getVM,
+        listViews,
         const FakeVmServiceRequest(
           method: 'ext.flutter.debugDumpLayerTree',
           args: <String, Object>{
@@ -472,7 +467,7 @@ void main() {
     testWithoutContext('o,O - debugTogglePlatform with web target', () async {
       final TerminalHandler terminalHandler = setUpTerminalHandler(<FakeVmServiceRequest>[
         // Request 1.
-        getVM,
+        listViews,
         const FakeVmServiceRequest(
           method: 'ext.flutter.platformOverride',
           args: <String, Object>{
@@ -482,7 +477,7 @@ void main() {
             'value': 'iOS'
           },
         ),
-        getVM,
+        listViews,
         const FakeVmServiceRequest(
           method: 'ext.flutter.platformOverride',
           args: <String, Object>{
@@ -494,7 +489,7 @@ void main() {
           },
         ),
         // Request 2.
-        getVM,
+        listViews,
         const FakeVmServiceRequest(
           method: 'ext.flutter.platformOverride',
           args: <String, Object>{
@@ -504,7 +499,7 @@ void main() {
             'value': 'android'
           },
         ),
-        getVM,
+        listViews,
         const FakeVmServiceRequest(
           method: 'ext.flutter.platformOverride',
           args: <String, Object>{
@@ -544,7 +539,7 @@ void main() {
 
     testWithoutContext('p - debugToggleDebugPaintSizeEnabled with web target', () async {
       final TerminalHandler terminalHandler = setUpTerminalHandler(<FakeVmServiceRequest>[
-        getVM,
+        listViews,
         const FakeVmServiceRequest(
           method: 'ext.flutter.debugPaint',
           args: <String, Object>{
@@ -603,7 +598,7 @@ void main() {
 
     testWithoutContext('S - debugDumpSemanticsTreeInTraversalOrder with web target', () async {
       final TerminalHandler terminalHandler = setUpTerminalHandler(<FakeVmServiceRequest>[
-        getVM,
+        listViews,
           const FakeVmServiceRequest(
           method: 'ext.flutter.debugDumpSemanticsTreeInTraversalOrder',
           args: <String, Object>{
@@ -644,7 +639,7 @@ void main() {
 
     testWithoutContext('U - debugDumpSemanticsTreeInInverseHitTestOrder with web target', () async {
       final TerminalHandler terminalHandler = setUpTerminalHandler(<FakeVmServiceRequest>[
-        getVM,
+        listViews,
           const FakeVmServiceRequest(
           method: 'ext.flutter.debugDumpSemanticsTreeInInverseHitTestOrder',
           args: <String, Object>{
@@ -698,7 +693,7 @@ void main() {
 
     testWithoutContext('t,T - debugDumpRenderTree with web target', () async {
       final TerminalHandler terminalHandler = setUpTerminalHandler(<FakeVmServiceRequest>[
-        getVM,
+        listViews,
         const FakeVmServiceRequest(
           method: 'ext.flutter.debugDumpRenderTree',
           args: <String, Object>{
@@ -709,7 +704,7 @@ void main() {
           },
         ),
         // Request 2.
-        getVM,
+        listViews,
         const FakeVmServiceRequest(
           method: 'ext.flutter.debugDumpRenderTree',
           args: <String, Object>{
@@ -766,7 +761,7 @@ void main() {
 
     testWithoutContext('w,W - debugDumpApp with web target', () async {
       final TerminalHandler terminalHandler = setUpTerminalHandler(<FakeVmServiceRequest>[
-        getVM,
+        listViews,
         const FakeVmServiceRequest(
           method: 'ext.flutter.debugDumpApp',
           args: <String, Object>{
@@ -777,7 +772,7 @@ void main() {
           },
         ),
         // Request 2.
-        getVM,
+        listViews,
         const FakeVmServiceRequest(
           method: 'ext.flutter.debugDumpApp',
           args: <String, Object>{
@@ -837,7 +832,7 @@ void main() {
 
     testWithoutContext('z,Z - debugToggleDebugCheckElevationsEnabled with web target', () async {
       final TerminalHandler terminalHandler = setUpTerminalHandler(<FakeVmServiceRequest>[
-        getVM,
+        listViews,
         const FakeVmServiceRequest(
           method: 'ext.flutter.debugCheckElevationsEnabled',
           args: <String, Object>{
@@ -845,7 +840,7 @@ void main() {
           },
         ),
         // Request 2.
-        getVM,
+        listViews,
         const FakeVmServiceRequest(
           method: 'ext.flutter.debugCheckElevationsEnabled',
           args: <String, Object>{
@@ -1024,7 +1019,7 @@ void main() {
     final BufferLogger logger = BufferLogger.test();
     final FileSystem fileSystem = MemoryFileSystem.test();
     final TerminalHandler terminalHandler = setUpTerminalHandler(<FakeVmServiceRequest>[
-      getVM,
+      listViews,
       FakeVmServiceRequest(
         method: 'ext.flutter.debugAllowBanner',
         args: <String, Object>{
@@ -1173,7 +1168,7 @@ void main() {
     final FileSystem fileSystem = MemoryFileSystem.test();
     final TerminalHandler terminalHandler = setUpTerminalHandler(
       <FakeVmServiceRequest>[
-       getVM,
+       listViews,
         FakeVmServiceRequest(
           method: 'ext.flutter.debugAllowBanner',
           args: <String, Object>{