diff --git a/src/gui/CMakeLists.txt b/src/gui/CMakeLists.txt
index 1495e67e0..fdaaa5962 100644
--- a/src/gui/CMakeLists.txt
+++ b/src/gui/CMakeLists.txt
@@ -616,8 +616,6 @@ add_library(gui SHARED
         guiapplication.h
         guiutility.cpp
         guiutility.h
-        horizontalcombobox.cpp
-        horizontalcombobox.h
         infoarea.cpp
         infoarea.h
         labelandicon.cpp
diff --git a/src/gui/components/hotkeydialog.cpp b/src/gui/components/hotkeydialog.cpp
index a629df39b..5bba5763e 100644
--- a/src/gui/components/hotkeydialog.cpp
+++ b/src/gui/components/hotkeydialog.cpp
@@ -115,7 +115,7 @@ namespace swift::gui::components
 
     CHotkeyDialog::~CHotkeyDialog() {}
 
-    CKeySelectionBox::CKeySelectionBox(QWidget *parent) : CHorizontalComboBox(parent)
+    CKeySelectionBox::CKeySelectionBox(QWidget *parent) : QComboBox(parent)
     {
         connect(this, qOverload<int>(&CKeySelectionBox::currentIndexChanged), this,
                 &CKeySelectionBox::updateSelectedIndex);
@@ -199,7 +199,6 @@ namespace swift::gui::components
                                                      const CKeyboardKey &keyboardKey)
     {
         int currentIndex = 0;
-        const int width = qRound(1.5 * this->width());
         const bool select = !keyboardKey.isUnknown();
 
         CKeySelectionBox *ksb = new CKeySelectionBox(ui->qf_Advanced);
@@ -211,7 +210,6 @@ namespace swift::gui::components
         }
 
         ksb->setSelectedIndex(currentIndex);
-        ksb->setPopupWidth(qMin(width, 600));
         ksb->addItem(noKeyButton(), QVariant::fromValue(CKeyboardKey())); // at back (easier to find it is there twice)
 
         ui->qf_Advanced->layout()->addWidget(ksb);
@@ -226,7 +224,6 @@ namespace swift::gui::components
                                                      const CJoystickButton &joystickButton)
     {
         int currentIndex = -1;
-        const int width = qRound(1.5 * this->width());
 
         CKeySelectionBox *ksb = new CKeySelectionBox(ui->qf_Advanced);
         ksb->addItem(noKeyButton(), QVariant::fromValue(CJoystickButton())); // at front
@@ -241,7 +238,6 @@ namespace swift::gui::components
         }
 
         ksb->setSelectedIndex(currentIndex);
-        ksb->setPopupWidth(qMin(width, 600));
         ksb->addItem(noKeyButton(),
                      QVariant::fromValue(CJoystickButton())); // at back (easier to find it is there twice)
 
diff --git a/src/gui/components/hotkeydialog.h b/src/gui/components/hotkeydialog.h
index 97ce117bb..756d218b8 100644
--- a/src/gui/components/hotkeydialog.h
+++ b/src/gui/components/hotkeydialog.h
@@ -10,7 +10,6 @@
 #include <QObject>
 #include <QScopedPointer>
 
-#include "gui/horizontalcombobox.h"
 #include "gui/models/actionmodel.h"
 #include "gui/swiftguiexport.h"
 #include "misc/identifierlist.h"
@@ -36,7 +35,7 @@ namespace swift::gui::components
     /*!
      * ComboBox for selecting keyboard keys
      */
-    class SWIFT_GUI_EXPORT CKeySelectionBox : public CHorizontalComboBox
+    class SWIFT_GUI_EXPORT CKeySelectionBox : public QComboBox
     {
         Q_OBJECT
 
diff --git a/src/gui/horizontalcombobox.cpp b/src/gui/horizontalcombobox.cpp
deleted file mode 100644
index de5af4055..000000000
--- a/src/gui/horizontalcombobox.cpp
+++ /dev/null
@@ -1,41 +0,0 @@
-// SPDX-FileCopyrightText: Copyright (C) 2014 swift Project Community / Contributors
-// SPDX-License-Identifier: GPL-3.0-or-later OR LicenseRef-swift-pilot-client-1
-
-#include "horizontalcombobox.h"
-
-namespace swift::gui
-{
-    CHorizontalComboBox::CHorizontalComboBox(QWidget *parent) : QComboBox(parent)
-    {
-        m_view = new QListView(this);
-        m_view->setFlow(QListView::LeftToRight);
-        this->setView(m_view);
-        for (QWidget *o : findChildren<QWidget *>())
-        {
-            if (o->inherits("QComboBoxPrivateContainer"))
-            {
-                // popup
-                o->setFixedHeight(view()->height());
-                break;
-            }
-        }
-    }
-
-    void CHorizontalComboBox::showPopup()
-    {
-        QComboBox::showPopup();
-        int w = m_popupWidth;
-        if (w < 0)
-        {
-            w = 0;
-            for (int i = 0; i < count(); i++)
-            {
-                const QModelIndex ix = model()->index(i, modelColumn(), rootModelIndex());
-                w += view()->visualRect(ix).width();
-            }
-        }
-        view()->setFixedWidth(w);
-    }
-
-    void CHorizontalComboBox::setPopupWidth(int w) { m_popupWidth = w; }
-} // namespace swift::gui
diff --git a/src/gui/horizontalcombobox.h b/src/gui/horizontalcombobox.h
deleted file mode 100644
index e8b4c1a9b..000000000
--- a/src/gui/horizontalcombobox.h
+++ /dev/null
@@ -1,35 +0,0 @@
-// SPDX-FileCopyrightText: Copyright (C) 2018 swift Project Community / Contributors
-// SPDX-License-Identifier: GPL-3.0-or-later OR LicenseRef-swift-pilot-client-1
-
-//! \file
-
-#ifndef SWIFT_GUI_HORIZONTALCOMBOBOX_H
-#define SWIFT_GUI_HORIZONTALCOMBOBOX_H
-
-#include <QComboBox>
-#include <QListView>
-
-namespace swift::gui
-{
-    //! A combobox where the dropdown is horizontally and not vertically
-    class CHorizontalComboBox : public QComboBox
-    {
-        Q_OBJECT
-
-    public:
-        //! ComboBox displaying the values horizontally
-        explicit CHorizontalComboBox(QWidget *parent = nullptr);
-
-        //! \copydoc QComboBox::showPopup
-        virtual void showPopup() override;
-
-        //! Width of the popup
-        void setPopupWidth(int w);
-
-    private:
-        QListView *m_view = nullptr;
-        int m_popupWidth = -1;
-    };
-} // namespace swift::gui
-
-#endif // SWIFT_GUI_HORIZONTALCOMBOBOX_H