diff --git a/src/updatechecker.h b/src/updatechecker.h
deleted file mode 100644
--- a/src/updatechecker.h
+++ /dev/null
@@ -1,77 +0,0 @@
-/*
-  Copyright © 2018 Hasan Yavuz Özderya
-
-  This file is part of serialplot.
-
-  serialplot is free software: you can redistribute it and/or modify
-  it under the terms of the GNU General Public License as published by
-  the Free Software Foundation, either version 3 of the License, or
-  (at your option) any later version.
-
-  serialplot is distributed in the hope that it will be useful,
-  but WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  GNU General Public License for more details.
-
-  You should have received a copy of the GNU General Public License
-  along with serialplot.  If not, see <http://www.gnu.org/licenses/>.
-*/
-
-#ifndef UPDATECHECKER_H
-#define UPDATECHECKER_H
-
-#include <QObject>
-#include <QNetworkAccessManager>
-#include <QNetworkReply>
-#include <QList>
-
-#include "versionnumber.h"
-
-class UpdateChecker : public QObject
-{
-    Q_OBJECT
-public:
-    explicit UpdateChecker(QObject *parent = 0);
-
-    bool isChecking() const;
-
-signals:
-    void checkFinished(bool found, QString newVersion, QString downloadUrl);
-    void checkFailed(QString errorMessage);
-
-public slots:
-    void checkUpdate();
-    void cancelCheck();
-
-private:
-    enum class FileArch
-    {
-        unknown,
-        _i386,
-        amd64,
-        arm
-    };
-
-    struct FileInfo
-    {
-        QString name;
-        QString link;
-        bool hasVersion;
-        VersionNumber version;
-        FileArch arch;
-    };
-
-    QNetworkAccessManager nam;
-    QNetworkReply* activeReply;
-
-    /// Parses json and creates a list of files
-    bool parseData(const QJsonDocument& data, QList<FileInfo>& files) const;
-    /// Finds the update file in the file list. Returns `-1` if no new version
-    /// is found.
-    bool findUpdate(const QList<FileInfo>& files, FileInfo& foundFile) const;
-
-private slots:
-    void onReqFinished(QNetworkReply* reply);
-};
-
-#endif // UPDATECHECKER_H