diff --git a/windowgrid.cpp b/windowgrid.cpp
index a63861a..82c979f 100644
--- a/windowgrid.cpp
+++ b/windowgrid.cpp
@@ -89,7 +89,7 @@ void WindowGridEffect::onMoveFinished(EffectWindow *w)
     }
 }
 
-void WindowGridEffect::onMouseChanged(const QPointF &pos, const QPointF &, Qt::MouseButtons buttons, Qt::MouseButtons oldbuttons, Qt::KeyboardModifiers, Qt::KeyboardModifiers)
+void WindowGridEffect::onMouseChanged(const QPointF &pos, const QPointF &, Qt::MouseButtons buttons, Qt::MouseButtons oldbuttons)
 {
     if (m_state != State::Native || !m_window) {
         return;