diff --git a/src/api/environment.cc b/src/api/environment.cc
index 5349657d4c5a8d..20408c79f858be 100644
--- a/src/api/environment.cc
+++ b/src/api/environment.cc
@@ -553,7 +553,7 @@ void InitializeContextRuntime(Local<Context> context) {
   if (context->Global()->Get(context, intl_string).ToLocal(&intl_v) &&
       intl_v->IsObject()) {
     Local<Object> intl = intl_v.As<Object>();
-    intl->Delete(context, break_iter_string).FromJust();
+    intl->Delete(context, break_iter_string).Check();
   }
 
   // Delete `Atomics.wake`
@@ -564,7 +564,7 @@ void InitializeContextRuntime(Local<Context> context) {
   if (context->Global()->Get(context, atomics_string).ToLocal(&atomics_v) &&
       atomics_v->IsObject()) {
     Local<Object> atomics = atomics_v.As<Object>();
-    atomics->Delete(context, wake_string).FromJust();
+    atomics->Delete(context, wake_string).Check();
   }
 
   // Remove __proto__