diff --git a/src/modifier_only_shortcuts.cpp b/src/modifier_only_shortcuts.cpp
deleted file mode 100644
index 61a62242cd..0000000000
--- a/src/modifier_only_shortcuts.cpp
+++ /dev/null
@@ -1,97 +0,0 @@
-/*
-    KWin - the KDE window manager
-    This file is part of the KDE project.
-
-    SPDX-FileCopyrightText: 2016, 2017 Martin Gräßlin <mgraesslin@kde.org>
-
-    SPDX-License-Identifier: GPL-2.0-or-later
-*/
-#include "modifier_only_shortcuts.h"
-
-#include "config-kwin.h"
-
-#include "input_event.h"
-#include "options.h"
-#if KWIN_BUILD_SCREENLOCKER
-#include "screenlockerwatcher.h"
-#endif
-#include "wayland_server.h"
-#include "workspace.h"
-
-#include <QDBusConnection>
-#include <QDBusMessage>
-#include <QDBusPendingCall>
-
-namespace KWin
-{
-
-ModifierOnlyShortcuts::ModifierOnlyShortcuts()
-    : QObject()
-    , InputEventSpy()
-{
-#if KWIN_BUILD_SCREENLOCKER
-    connect(kwinApp()->screenLockerWatcher(), &ScreenLockerWatcher::locked, this, &ModifierOnlyShortcuts::reset);
-#endif
-}
-
-ModifierOnlyShortcuts::~ModifierOnlyShortcuts() = default;
-
-void ModifierOnlyShortcuts::keyEvent(KeyEvent *event)
-{
-    if (event->isAutoRepeat()) {
-        return;
-    }
-    if (event->type() == QEvent::KeyPress) {
-        const bool wasEmpty = m_pressedKeys.isEmpty();
-        m_pressedKeys.insert(event->nativeScanCode());
-        if (wasEmpty && m_pressedKeys.size() == 1 &&
-#if KWIN_BUILD_SCREENLOCKER
-            !kwinApp()->screenLockerWatcher()->isLocked() &&
-#endif
-            m_pressedButtons == Qt::NoButton && m_cachedMods == Qt::NoModifier) {
-            m_modifier = Qt::KeyboardModifier(int(event->modifiersRelevantForGlobalShortcuts()));
-        } else {
-            m_modifier = Qt::NoModifier;
-        }
-    } else if (!m_pressedKeys.isEmpty()) {
-        m_pressedKeys.remove(event->nativeScanCode());
-        if (m_pressedKeys.isEmpty() && event->modifiersRelevantForGlobalShortcuts() == Qt::NoModifier && workspace() && !workspace()->globalShortcutsDisabled()) {
-            if (m_modifier != Qt::NoModifier) {
-                const auto list = options->modifierOnlyDBusShortcut(m_modifier);
-                if (list.size() >= 4) {
-                    if (!waylandServer() || !waylandServer()->isKeyboardShortcutsInhibited()) {
-                        auto call = QDBusMessage::createMethodCall(list.at(0), list.at(1), list.at(2), list.at(3));
-                        QVariantList args;
-                        for (int i = 4; i < list.size(); ++i) {
-                            args << list.at(i);
-                        }
-                        call.setArguments(args);
-                        QDBusConnection::sessionBus().asyncCall(call);
-                    }
-                }
-            }
-        }
-        m_modifier = Qt::NoModifier;
-    } else {
-        m_modifier = Qt::NoModifier;
-    }
-    m_cachedMods = event->modifiersRelevantForGlobalShortcuts();
-}
-
-void ModifierOnlyShortcuts::pointerEvent(MouseEvent *event)
-{
-    if (event->type() == QEvent::MouseMove) {
-        return;
-    }
-    m_pressedButtons = event->buttons();
-    reset();
-}
-
-void ModifierOnlyShortcuts::wheelEvent(WheelEvent *event)
-{
-    reset();
-}
-
-}
-
-#include "moc_modifier_only_shortcuts.cpp"