diff --git a/tests/auto/wayland/shared/mockxdgshellv6.cpp b/tests/auto/wayland/shared/mockxdgshellv6.cpp
index 014a24be7c2..5dc8da599a7 100644
--- a/tests/auto/wayland/shared/mockxdgshellv6.cpp
+++ b/tests/auto/wayland/shared/mockxdgshellv6.cpp
@@ -59,6 +59,7 @@ void XdgSurfaceV6::zxdg_surface_v6_get_toplevel(QtWaylandServer::zxdg_surface_v6
 
 void XdgSurfaceV6::zxdg_surface_v6_set_window_geometry(QtWaylandServer::zxdg_surface_v6::Resource *resource, int32_t x, int32_t y, int32_t width, int32_t height)
 {
+    Q_UNUSED(resource);
     if (m_toplevel) {
         QRect geometry(x, y, width, height);
         emit m_toplevel->mockToplevel()->windowGeometryRequested(geometry);