diff --git a/src/window.cpp b/src/window.cpp
index a60f154ad9..c985c503c6 100644
--- a/src/window.cpp
+++ b/src/window.cpp
@@ -381,7 +381,7 @@ QRegion Window::inputShape() const
 QMatrix4x4 Window::inputTransformation() const
 {
     QMatrix4x4 m;
-    m.translate(-x(), -y());
+    m.translate(-m_bufferGeometry.x(), -m_bufferGeometry.y());
     return m;
 }
 
@@ -419,7 +419,7 @@ QRectF Window::inputGeometry() const
     if (isDecorated()) {
         return frameGeometry() + decoration()->resizeOnlyBorders();
     }
-    return frameGeometry();
+    return bufferGeometry();
 }
 
 bool Window::isLocalhost() const
diff --git a/src/window.h b/src/window.h
index a5259abc68..3abbc6894f 100644
--- a/src/window.h
+++ b/src/window.h
@@ -800,11 +800,8 @@ public:
 
     /**
      * @returns Transformation to map from global to window coordinates.
-     *
-     * Default implementation returns a translation on negative pos().
-     * @see pos
      */
-    virtual QMatrix4x4 inputTransformation() const;
+    QMatrix4x4 inputTransformation() const;
 
     /**
      * Returns @c true if the window can accept input at the specified position @a point.
diff --git a/src/x11window.cpp b/src/x11window.cpp
index 31ef74dcb2..cce665e59d 100644
--- a/src/x11window.cpp
+++ b/src/x11window.cpp
@@ -2800,15 +2800,6 @@ xcb_window_t X11Window::wrapperId() const
     return m_wrapper;
 }
 
-QRectF X11Window::inputGeometry() const
-{
-    // Notice that the buffer geometry corresponds to the geometry of the frame window.
-    if (isDecorated()) {
-        return m_bufferGeometry + decoration()->resizeOnlyBorders();
-    }
-    return m_bufferGeometry;
-}
-
 QPointF X11Window::framePosToClientPos(const QPointF &point) const
 {
     qreal x = point.x();
@@ -2890,13 +2881,6 @@ QSizeF X11Window::implicitSize() const
     return clientSizeToFrameSize(m_client.geometry().size());
 }
 
-QMatrix4x4 X11Window::inputTransformation() const
-{
-    QMatrix4x4 matrix;
-    matrix.translate(-m_bufferGeometry.x(), -m_bufferGeometry.y());
-    return matrix;
-}
-
 pid_t X11Window::pid() const
 {
     return info->pid();
diff --git a/src/x11window.h b/src/x11window.h
index ec6ffd4973..d67342d340 100644
--- a/src/x11window.h
+++ b/src/x11window.h
@@ -87,8 +87,6 @@ public:
     xcb_window_t wmClientLeader() const;
     QString wmCommand();
 
-    QRectF inputGeometry() const override;
-
     QPointF framePosToClientPos(const QPointF &point) const override;
     QPointF clientPosToFramePos(const QPointF &point) const override;
     QSizeF frameSizeToClientSize(const QSizeF &size) const override;
@@ -102,7 +100,6 @@ public:
     QRegion opaqueRegion() const;
     QVector<QRectF> shapeRegion() const;
 
-    QMatrix4x4 inputTransformation() const override;
     pid_t pid() const override;
     QString windowRole() const override;
 
diff --git a/src/xdgshellwindow.cpp b/src/xdgshellwindow.cpp
index 277206e5fb..f1a5a8b5e3 100644
--- a/src/xdgshellwindow.cpp
+++ b/src/xdgshellwindow.cpp
@@ -96,18 +96,6 @@ NET::WindowType XdgSurfaceWindow::windowType(bool direct) const
     return m_windowType;
 }
 
-QRectF XdgSurfaceWindow::inputGeometry() const
-{
-    return isDecorated() ? Window::inputGeometry() : bufferGeometry();
-}
-
-QMatrix4x4 XdgSurfaceWindow::inputTransformation() const
-{
-    QMatrix4x4 transformation;
-    transformation.translate(-bufferGeometry().x(), -bufferGeometry().y());
-    return transformation;
-}
-
 XdgSurfaceConfigure *XdgSurfaceWindow::lastAcknowledgedConfigure() const
 {
     return m_lastAcknowledgedConfigure.get();
diff --git a/src/xdgshellwindow.h b/src/xdgshellwindow.h
index bc12b8a67d..5da04e45b1 100644
--- a/src/xdgshellwindow.h
+++ b/src/xdgshellwindow.h
@@ -60,8 +60,6 @@ public:
 
     NET::WindowType windowType(bool direct = false) const override;
     QRectF frameRectToBufferRect(const QRectF &rect) const override;
-    QRectF inputGeometry() const override;
-    QMatrix4x4 inputTransformation() const override;
     void destroyWindow() override;
 
     void installPlasmaShellSurface(KWaylandServer::PlasmaShellSurfaceInterface *shellSurface);