diff --git a/src/nostalgia/studio/lib/json_operator.hpp b/src/nostalgia/studio/lib/json_operator.hpp
deleted file mode 100644
index eef33c62..00000000
--- a/src/nostalgia/studio/lib/json_operator.hpp
+++ /dev/null
@@ -1,18 +0,0 @@
-/*
- * Copyright 2016-2017 gtalent2@gmail.com
- *
- * This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
- */
-
-#pragma once
-
-#include <QString>
-#include <ox/std/types.hpp>
-
-namespace nostalgia {
-namespace studio {
-
-}
-}
diff --git a/src/nostalgia/studio/lib/json_read.hpp b/src/nostalgia/studio/lib/json_read.hpp
index c6301184..e2fa84a6 100644
--- a/src/nostalgia/studio/lib/json_read.hpp
+++ b/src/nostalgia/studio/lib/json_read.hpp
@@ -11,8 +11,10 @@
 #include <QJsonArray>
 #include <QJsonObject>
 #include <QJsonDocument>
+
+#include <ox/std/types.hpp>
+
 #include "json_err.hpp"
-#include "json_operator.hpp"
 
 namespace nostalgia {
 namespace studio {
diff --git a/src/nostalgia/studio/lib/json_write.hpp b/src/nostalgia/studio/lib/json_write.hpp
index 6f405c8b..78390b71 100644
--- a/src/nostalgia/studio/lib/json_write.hpp
+++ b/src/nostalgia/studio/lib/json_write.hpp
@@ -11,8 +11,10 @@
 #include <QJsonArray>
 #include <QJsonObject>
 #include <QJsonDocument>
+
+#include <ox/std/types.hpp>
+
 #include "json_err.hpp"
-#include "json_operator.hpp"
 
 namespace nostalgia {
 namespace studio {
diff --git a/src/nostalgia/studio/lib/project.cpp b/src/nostalgia/studio/lib/project.cpp
index aa4483b2..f45f0a86 100644
--- a/src/nostalgia/studio/lib/project.cpp
+++ b/src/nostalgia/studio/lib/project.cpp
@@ -8,7 +8,8 @@
 
 #include <QByteArray>
 #include <QDir>
-#include <project.hpp>
+
+#include "project.hpp"
 
 namespace nostalgia {
 namespace studio {