diff --git a/Libraries/LibJS/Runtime/NativeFunction.cpp b/Libraries/LibJS/Runtime/NativeFunction.cpp
index 37a44d42902..b29d792b1e0 100644
--- a/Libraries/LibJS/Runtime/NativeFunction.cpp
+++ b/Libraries/LibJS/Runtime/NativeFunction.cpp
@@ -33,7 +33,7 @@ void NativeFunction::visit_edges(Cell::Visitor& visitor)
 
 // 10.3.3 CreateBuiltinFunction ( behaviour, length, name, additionalInternalSlotsList [ , realm [ , prototype [ , prefix ] ] ] ), https://tc39.es/ecma262/#sec-createbuiltinfunction
 // NOTE: This doesn't consider additionalInternalSlotsList, which is rarely used, and can either be implemented using only the `function` lambda, or needs a NativeFunction subclass.
-GC::Ref<NativeFunction> NativeFunction::create(Realm& allocating_realm, Function<ThrowCompletionOr<Value>(VM&)> behaviour, i32 length, PropertyKey const& name, Optional<Realm*> realm, Optional<Object*> prototype, Optional<StringView> const& prefix)
+GC::Ref<NativeFunction> NativeFunction::create(Realm& allocating_realm, Function<ThrowCompletionOr<Value>(VM&)> behaviour, i32 length, PropertyKey const& name, Optional<Realm*> realm, Optional<StringView> const& prefix)
 {
     auto& vm = allocating_realm.vm();
 
@@ -42,8 +42,7 @@ GC::Ref<NativeFunction> NativeFunction::create(Realm& allocating_realm, Function
         realm = vm.current_realm();
 
     // 2. If prototype is not present, set prototype to realm.[[Intrinsics]].[[%Function.prototype%]].
-    if (!prototype.has_value())
-        prototype = realm.value()->intrinsics().function_prototype();
+    auto prototype = realm.value()->intrinsics().function_prototype();
 
     // 3. Let internalSlotsList be a List containing the names of all the internal slots that 10.3 requires for the built-in function object that is about to be created.
     // 4. Append to internalSlotsList the elements of additionalInternalSlotsList.
@@ -53,7 +52,7 @@ GC::Ref<NativeFunction> NativeFunction::create(Realm& allocating_realm, Function
     // 7. Set func.[[Extensible]] to true.
     // 8. Set func.[[Realm]] to realm.
     // 9. Set func.[[InitialName]] to null.
-    auto function = allocating_realm.create<NativeFunction>(GC::create_function(vm.heap(), move(behaviour)), prototype.value(), *realm.value());
+    auto function = allocating_realm.create<NativeFunction>(GC::create_function(vm.heap(), move(behaviour)), prototype, *realm.value());
 
     // 10. Perform SetFunctionLength(func, length).
     function->set_function_length(length);
diff --git a/Libraries/LibJS/Runtime/NativeFunction.h b/Libraries/LibJS/Runtime/NativeFunction.h
index db9faf9d4ae..6fab066c68b 100644
--- a/Libraries/LibJS/Runtime/NativeFunction.h
+++ b/Libraries/LibJS/Runtime/NativeFunction.h
@@ -21,7 +21,7 @@ class NativeFunction : public FunctionObject {
     GC_DECLARE_ALLOCATOR(NativeFunction);
 
 public:
-    static GC::Ref<NativeFunction> create(Realm&, ESCAPING Function<ThrowCompletionOr<Value>(VM&)> behaviour, i32 length, PropertyKey const& name = FlyString {}, Optional<Realm*> = {}, Optional<Object*> prototype = {}, Optional<StringView> const& prefix = {});
+    static GC::Ref<NativeFunction> create(Realm&, ESCAPING Function<ThrowCompletionOr<Value>(VM&)> behaviour, i32 length, PropertyKey const& name = FlyString {}, Optional<Realm*> = {}, Optional<StringView> const& prefix = {});
     static GC::Ref<NativeFunction> create(Realm&, FlyString const& name, ESCAPING Function<ThrowCompletionOr<Value>(VM&)>);
 
     virtual ~NativeFunction() override = default;
diff --git a/Libraries/LibJS/Runtime/Object.cpp b/Libraries/LibJS/Runtime/Object.cpp
index 606bd0cba90..e9c927057b8 100644
--- a/Libraries/LibJS/Runtime/Object.cpp
+++ b/Libraries/LibJS/Runtime/Object.cpp
@@ -1266,10 +1266,10 @@ void Object::define_native_accessor(Realm& realm, PropertyKey const& property_ke
 {
     FunctionObject* getter_function = nullptr;
     if (getter)
-        getter_function = NativeFunction::create(realm, move(getter), 0, property_key, &realm, {}, "get"sv);
+        getter_function = NativeFunction::create(realm, move(getter), 0, property_key, &realm, "get"sv);
     FunctionObject* setter_function = nullptr;
     if (setter)
-        setter_function = NativeFunction::create(realm, move(setter), 1, property_key, &realm, {}, "set"sv);
+        setter_function = NativeFunction::create(realm, move(setter), 1, property_key, &realm, "set"sv);
     return define_direct_accessor(property_key, getter_function, setter_function, attribute);
 }