diff --git a/packages/flutter_tools/lib/src/resident_runner.dart b/packages/flutter_tools/lib/src/resident_runner.dart
index fa0749c8a18..a9524b24528 100644
--- a/packages/flutter_tools/lib/src/resident_runner.dart
+++ b/packages/flutter_tools/lib/src/resident_runner.dart
@@ -106,12 +106,6 @@ abstract class ResidentRunner {
     vmService = await VMService.connect(port);
     printTrace('Connected to service protocol on port $port');
     await vmService.getVM();
-    vmService.onExtensionEvent.listen((ServiceEvent event) {
-      printTrace(event.toString());
-    });
-    vmService.onIsolateEvent.listen((ServiceEvent event) {
-      printTrace(event.toString());
-    });
 
     // Refresh the view list.
     await vmService.vm.refreshViews();