diff --git a/src/FrameworkWidgetFactory.cpp b/src/FrameworkWidgetFactory.cpp
index 17f70d9c..849772e1 100644
--- a/src/FrameworkWidgetFactory.cpp
+++ b/src/FrameworkWidgetFactory.cpp
@@ -123,61 +123,6 @@ QAbstractButton* DefaultWidgetFactory::createTitleBarButton(QWidget *parent, Tit
     return button;
 }
 
-QIcon DefaultWidgetFactory::iconForButtonType(TitleBarButtonType type, qreal dpr) const
-{
-    QString iconName;
-    switch (type) {
-    case TitleBarButtonType::AutoHide:
-        iconName = QStringLiteral("auto-hide");
-        break;
-    case TitleBarButtonType::UnautoHide:
-        iconName = QStringLiteral("unauto-hide");
-        break;
-    case TitleBarButtonType::Close:
-        iconName = QStringLiteral("close");
-        break;
-    case TitleBarButtonType::Minimize:
-        iconName = QStringLiteral("min");
-        break;
-    case TitleBarButtonType::Maximize:
-        iconName = QStringLiteral("max");
-        break;
-    case TitleBarButtonType::Normal:
-        // We're using the same icon as dock/float
-        iconName = QStringLiteral("dock-float");
-        break;
-    case TitleBarButtonType::Float:
-        iconName = QStringLiteral("dock-float");
-        break;
-    }
-
-    if (iconName.isEmpty())
-        return {};
-
-    QIcon icon(QStringLiteral(":/img/%1.png").arg(iconName));
-
-#if QT_VERSION < QT_VERSION_CHECK(5, 15, 2)
-    const bool isFractional = int(dpr) != dpr;
-    if (isFractional) {
-        // We don't support 1.5x yet.
-        // Linux is the only one affected as Windows and macOS use integral factors.
-        // Problem with Linux is that rendering is off due to a rounding bug only fixed in 5.15.2
-        // Will enable for fractional later.
-        // QTBUG-86170
-        return icon;
-    }
-#else
-    // Not using Qt's sugar syntax, which doesn't support 1.5x anyway when we need it.
-    // Simply add the high-res files and Qt will pick them when needed
-
-    icon.addFile(QStringLiteral(":/img/%1-1.5x.png").arg(iconName));
-    Q_UNUSED(dpr);
-#endif
-    icon.addFile(QStringLiteral(":/img/%1-2x.png").arg(iconName));
-
-    return icon;
-}
-
 #else
 
 Frame *DefaultWidgetFactory::createFrame(QWidgetOrQuick *parent, FrameOptions options) const
@@ -239,4 +184,69 @@ QWidgetOrQuick *DefaultWidgetFactory::createRubberBand(QWidgetOrQuick *parent) c
     return new QWidgetOrQuick(parent);
 }
 
+SideBar *DefaultWidgetFactory::createSideBar(SideBarLocation loc, MainWindowBase *parent) const
+{
+    Q_UNUSED(loc);
+    Q_UNUSED(parent);
+
+    qWarning() << Q_FUNC_INFO << "Not implemented yet";
+    return nullptr;
+}
+
+#endif // QtQuick
+
+// iconForButtonType impl is the same for QtQuick and QtWidgets
+QIcon DefaultWidgetFactory::iconForButtonType(TitleBarButtonType type, qreal dpr) const
+{
+    QString iconName;
+    switch (type) {
+    case TitleBarButtonType::AutoHide:
+        iconName = QStringLiteral("auto-hide");
+        break;
+    case TitleBarButtonType::UnautoHide:
+        iconName = QStringLiteral("unauto-hide");
+        break;
+    case TitleBarButtonType::Close:
+        iconName = QStringLiteral("close");
+        break;
+    case TitleBarButtonType::Minimize:
+        iconName = QStringLiteral("min");
+        break;
+    case TitleBarButtonType::Maximize:
+        iconName = QStringLiteral("max");
+        break;
+    case TitleBarButtonType::Normal:
+        // We're using the same icon as dock/float
+        iconName = QStringLiteral("dock-float");
+        break;
+    case TitleBarButtonType::Float:
+        iconName = QStringLiteral("dock-float");
+        break;
+    }
+
+    if (iconName.isEmpty())
+        return {};
+
+    QIcon icon(QStringLiteral(":/img/%1.png").arg(iconName));
+
+#if QT_VERSION < QT_VERSION_CHECK(5, 15, 2)
+    const bool isFractional = int(dpr) != dpr;
+    if (isFractional) {
+        // We don't support 1.5x yet.
+        // Linux is the only one affected as Windows and macOS use integral factors.
+        // Problem with Linux is that rendering is off due to a rounding bug only fixed in 5.15.2
+        // Will enable for fractional later.
+        // QTBUG-86170
+        return icon;
+    }
+#else
+    // Not using Qt's sugar syntax, which doesn't support 1.5x anyway when we need it.
+    // Simply add the high-res files and Qt will pick them when needed
+
+    icon.addFile(QStringLiteral(":/img/%1-1.5x.png").arg(iconName));
+    Q_UNUSED(dpr);
 #endif
+    icon.addFile(QStringLiteral(":/img/%1-2x.png").arg(iconName));
+
+    return icon;
+}
diff --git a/src/private/quick/MainWindowQuick.cpp b/src/private/quick/MainWindowQuick.cpp
index 893eb824..c35b3640 100644
--- a/src/private/quick/MainWindowQuick.cpp
+++ b/src/private/quick/MainWindowQuick.cpp
@@ -23,3 +23,15 @@ MainWindowQuick::MainWindowQuick(const QString &uniqueName, MainWindowOptions op
     QWidgetAdapter::makeItemFillParent(this);
     QWidgetAdapter::makeItemFillParent(dropArea());
 }
+
+SideBar *MainWindowQuick::sideBar(SideBarLocation) const
+{
+    qWarning() << Q_FUNC_INFO << "SideBar hasn't been implemented yet";
+    return nullptr;
+}
+
+QMargins MainWindowQuick::centerWidgetMargins() const
+{
+    qWarning() << Q_FUNC_INFO << "SideBar hasn't been implemented yet";
+    return {};
+}
diff --git a/src/private/quick/MainWindowQuick_p.h b/src/private/quick/MainWindowQuick_p.h
index 001de443..d75fc4fa 100644
--- a/src/private/quick/MainWindowQuick_p.h
+++ b/src/private/quick/MainWindowQuick_p.h
@@ -27,6 +27,10 @@ public:
     explicit MainWindowQuick(const QString &uniqueName,
                              MainWindowOptions options = MainWindowOption_HasCentralFrame,
                              QWidgetAdapter *parent = nullptr);
+
+protected:
+    SideBar *sideBar(SideBarLocation) const override;
+    QMargins centerWidgetMargins() const override;
 };
 
 }