diff --git a/Userland/Libraries/LibJS/Runtime/ErrorTypes.h b/Userland/Libraries/LibJS/Runtime/ErrorTypes.h
index e20fccce48..a89d12157f 100644
--- a/Userland/Libraries/LibJS/Runtime/ErrorTypes.h
+++ b/Userland/Libraries/LibJS/Runtime/ErrorTypes.h
@@ -136,7 +136,6 @@
     M(ReferenceUnresolvable, "Unresolvable reference")                                                                                  \
     M(ReflectArgumentMustBeAFunction, "First argument of Reflect.{}() must be a function")                                              \
     M(ReflectArgumentMustBeAnObject, "First argument of Reflect.{}() must be an object")                                                \
-    M(ReflectBadArgumentsList, "Arguments list must be an object")                                                                      \
     M(ReflectBadNewTarget, "Optional third argument of Reflect.construct() must be a constructor")                                      \
     M(ReflectBadDescriptorArgument, "Descriptor argument is not an object")                                                             \
     M(RegExpCompileError, "RegExp compile error: {}")                                                                                   \
diff --git a/Userland/Libraries/LibJS/Runtime/ReflectObject.cpp b/Userland/Libraries/LibJS/Runtime/ReflectObject.cpp
index 704ca31f2e..04d17be774 100644
--- a/Userland/Libraries/LibJS/Runtime/ReflectObject.cpp
+++ b/Userland/Libraries/LibJS/Runtime/ReflectObject.cpp
@@ -36,25 +36,6 @@ static Function* get_target_function_from(GlobalObject& global_object, const Str
     return &target.as_function();
 }
 
-static void prepare_arguments_list(GlobalObject& global_object, Value value, MarkedValueList& arguments)
-{
-    auto& vm = global_object.vm();
-    if (!value.is_object()) {
-        vm.throw_exception<TypeError>(global_object, ErrorType::ReflectBadArgumentsList);
-        return;
-    }
-    auto& arguments_list = value.as_object();
-    auto length = length_of_array_like(global_object, arguments_list);
-    if (vm.exception())
-        return;
-    for (size_t i = 0; i < length; ++i) {
-        auto element = arguments_list.get(String::number(i));
-        if (vm.exception())
-            return;
-        arguments.append(element.value_or(js_undefined()));
-    }
-}
-
 ReflectObject::ReflectObject(GlobalObject& global_object)
     : Object(*global_object.object_prototype())
 {
@@ -91,8 +72,7 @@ JS_DEFINE_NATIVE_FUNCTION(ReflectObject::apply)
     if (!target)
         return {};
     auto this_arg = vm.argument(1);
-    MarkedValueList arguments(vm.heap());
-    prepare_arguments_list(global_object, vm.argument(2), arguments);
+    auto arguments = create_list_from_array_like(global_object, vm.argument(2));
     if (vm.exception())
         return {};
     return vm.call(*target, this_arg, move(arguments));
@@ -103,8 +83,7 @@ JS_DEFINE_NATIVE_FUNCTION(ReflectObject::construct)
     auto* target = get_target_function_from(global_object, "construct");
     if (!target)
         return {};
-    MarkedValueList arguments(vm.heap());
-    prepare_arguments_list(global_object, vm.argument(1), arguments);
+    auto arguments = create_list_from_array_like(global_object, vm.argument(1));
     if (vm.exception())
         return {};
     auto* new_target = target;
diff --git a/Userland/Libraries/LibJS/Tests/builtins/Reflect/Reflect.apply.js b/Userland/Libraries/LibJS/Tests/builtins/Reflect/Reflect.apply.js
index 7e6a67d16d..504a95bba0 100644
--- a/Userland/Libraries/LibJS/Tests/builtins/Reflect/Reflect.apply.js
+++ b/Userland/Libraries/LibJS/Tests/builtins/Reflect/Reflect.apply.js
@@ -18,7 +18,7 @@ describe("errors", () => {
         [null, undefined, "foo", 123, NaN, Infinity].forEach(value => {
             expect(() => {
                 Reflect.apply(() => {}, undefined, value);
-            }).toThrowWithMessage(TypeError, "Arguments list must be an object");
+            }).toThrowWithMessage(TypeError, `${value} is not an object`);
         });
     });
 });
diff --git a/Userland/Libraries/LibJS/Tests/builtins/Reflect/Reflect.construct.js b/Userland/Libraries/LibJS/Tests/builtins/Reflect/Reflect.construct.js
index a14a016ee0..ddd4bd112d 100644
--- a/Userland/Libraries/LibJS/Tests/builtins/Reflect/Reflect.construct.js
+++ b/Userland/Libraries/LibJS/Tests/builtins/Reflect/Reflect.construct.js
@@ -18,7 +18,7 @@ describe("errors", () => {
         [null, undefined, "foo", 123, NaN, Infinity].forEach(value => {
             expect(() => {
                 Reflect.construct(() => {}, value);
-            }).toThrowWithMessage(TypeError, "Arguments list must be an object");
+            }).toThrowWithMessage(TypeError, `${value} is not an object`);
         });
     });