diff --git a/pkg/dartdev/lib/dartdev.dart b/pkg/dartdev/lib/dartdev.dart
index 41f09018dd0..2ed2c663d64 100644
--- a/pkg/dartdev/lib/dartdev.dart
+++ b/pkg/dartdev/lib/dartdev.dart
@@ -85,11 +85,10 @@ Future<void> runDartdev(List<String> args, SendPort port) async {
     orElse: () => null,
   );
   if (launchDdsArg != null) {
-    // TODO(bkonyi): uncomment after 2.10 branch.
-    // RunCommand.launchDds = true;
-    // final ddsUrl = (launchDdsArg.split('=')[1]).split(':');
-    // RunCommand.ddsHost = ddsUrl[0];
-    // RunCommand.ddsPort = ddsUrl[1];
+    RunCommand.launchDds = true;
+    final ddsUrl = (launchDdsArg.split('=')[1]).split(':');
+    RunCommand.ddsHost = ddsUrl[0];
+    RunCommand.ddsPort = ddsUrl[1];
   }
 
   String commandName;
diff --git a/runtime/bin/main.cc b/runtime/bin/main.cc
index 2cc3c845cc6..4b51532ffb3 100644
--- a/runtime/bin/main.cc
+++ b/runtime/bin/main.cc
@@ -544,11 +544,8 @@ static Dart_Isolate CreateAndSetupServiceIsolate(const char* script_uri,
   result = Dart_SetDeferredLoadHandler(Loader::DeferredLoadHandler);
   CHECK_RESULT(result);
 
-  // TODO(bkonyi): remove after 2.10 branch.
-  const bool disable_dds = true;
-
   int vm_service_server_port = INVALID_VM_SERVICE_SERVER_PORT;
-  if (Options::disable_dart_dev() || disable_dds) {
+  if (Options::disable_dart_dev()) {
     vm_service_server_port = Options::vm_service_server_port();
   } else if (Options::vm_service_server_port() !=
              INVALID_VM_SERVICE_SERVER_PORT) {
@@ -556,15 +553,14 @@ static Dart_Isolate CreateAndSetupServiceIsolate(const char* script_uri,
   }
 
   // Load embedder specific bits and return.
-  if (!VmService::Setup((Options::disable_dart_dev() || disable_dds)
-                            ? Options::vm_service_server_ip()
-                            : DEFAULT_VM_SERVICE_SERVER_IP,
-                        vm_service_server_port, Options::vm_service_dev_mode(),
-                        Options::vm_service_auth_disabled(),
-                        Options::vm_write_service_info_filename(),
-                        Options::trace_loading(), Options::deterministic(),
-                        Options::enable_service_port_fallback(),
-                        !Options::disable_dart_dev() && !disable_dds)) {
+  if (!VmService::Setup(
+          Options::disable_dart_dev() ? Options::vm_service_server_ip()
+                                      : DEFAULT_VM_SERVICE_SERVER_IP,
+          vm_service_server_port, Options::vm_service_dev_mode(),
+          Options::vm_service_auth_disabled(),
+          Options::vm_write_service_info_filename(), Options::trace_loading(),
+          Options::deterministic(), Options::enable_service_port_fallback(),
+          !Options::disable_dart_dev())) {
     *error = Utils::StrDup(VmService::GetErrorMessage());
     return NULL;
   }