diff --git a/runtime/dart_vm.cc b/runtime/dart_vm.cc
index cab34f6423c57..35bc542432411 100644
--- a/runtime/dart_vm.cc
+++ b/runtime/dart_vm.cc
@@ -64,11 +64,7 @@ static const char* kDartLanguageArgs[] = {
     // clang-format off
     "--enable_mirrors=false",
     "--background_compilation",
-    "--await_is_keyword",
     "--causal_async_stacks",
-    "--strong",
-    "--reify_generic_functions",
-    "--sync_async",
     // clang-format on
 };