diff --git a/src/gui/kernel/qwindow_p.h b/src/gui/kernel/qwindow_p.h
index 24a6e8d3c40..5d9de82295c 100644
--- a/src/gui/kernel/qwindow_p.h
+++ b/src/gui/kernel/qwindow_p.h
@@ -129,9 +129,6 @@ public:
 
     static Qt::WindowState effectiveState(Qt::WindowStates);
 
-    // ### Qt6: unused
-    virtual bool allowClickThrough(const QPoint &) const { return true; }
-
     QWindow::SurfaceType surfaceType = QWindow::RasterSurface;
     Qt::WindowFlags windowFlags = Qt::Window;
     QWindow *parentWindow = nullptr;
diff --git a/src/plugins/platforms/cocoa/qnsview_mouse.mm b/src/plugins/platforms/cocoa/qnsview_mouse.mm
index ea8e8d60a6c..b55ffd4bcc9 100644
--- a/src/plugins/platforms/cocoa/qnsview_mouse.mm
+++ b/src/plugins/platforms/cocoa/qnsview_mouse.mm
@@ -225,8 +225,6 @@
     QPointF windowPoint;
     QPointF screenPoint;
     [self convertFromScreen:[NSEvent mouseLocation] toWindowPoint: &windowPoint andScreenPoint: &screenPoint];
-    if (!qt_window_private(m_platformWindow->window())->allowClickThrough(screenPoint.toPoint()))
-        return NO;
     return YES;
 }
 
diff --git a/src/widgets/kernel/qwidgetwindow.cpp b/src/widgets/kernel/qwidgetwindow.cpp
index 51e785d0aac..d6817caf969 100644
--- a/src/widgets/kernel/qwidgetwindow.cpp
+++ b/src/widgets/kernel/qwidgetwindow.cpp
@@ -115,7 +115,6 @@ public:
         if (QWidget *widget = q->widget())
             QWidgetPrivate::get(widget)->updateContentsRect();
     }
-    bool allowClickThrough(const QPoint &) const override;
 };
 
 QRectF QWidgetWindowPrivate::closestAcceptableGeometry(const QRectF &rect) const
@@ -231,11 +230,6 @@ static inline bool shouldBePropagatedToWidget(QEvent *event)
     }
 }
 
-bool QWidgetWindowPrivate::allowClickThrough(const QPoint &) const
-{
-    return true;
-}
-
 bool QWidgetWindow::event(QEvent *event)
 {
     if (!m_widget)