diff --git a/runtime/dart_runner/kernel/BUILD.gn b/runtime/dart_runner/kernel/BUILD.gn
index f1eddb5..a76ae1c 100644
--- a/runtime/dart_runner/kernel/BUILD.gn
+++ b/runtime/dart_runner/kernel/BUILD.gn
@@ -63,11 +63,10 @@
     }
 
     args = [
-      # TODO(zra): remove this when the interpreter supports field guards.
-      "--no_use_field_guards",
       # TODO(FL-117): Re-enable causal async stack traces when this issue is
       # addressed.
       "--no_causal_async_stacks",
+
       "--use_bytecode_compiler",
       "--enable_mirrors=false",
       "--deterministic",
diff --git a/runtime/flutter_runner/kernel/BUILD.gn b/runtime/flutter_runner/kernel/BUILD.gn
index 85b7cfa..aef3295 100644
--- a/runtime/flutter_runner/kernel/BUILD.gn
+++ b/runtime/flutter_runner/kernel/BUILD.gn
@@ -88,12 +88,10 @@
       script = gen_snapshot
     }
     args = [
-      # TODO(zra): remove this when the interpreter supports field guards.
-      "--no_use_field_guards",
-
       # TODO(FL-117): Re-enable causal async stack traces when this issue is
       # addressed.
       "--no_causal_async_stacks",
+
       "--use_bytecode_compiler",
       "--enable_mirrors=false",
       "--deterministic",