diff --git a/src/gui/accessible/linux/atspiadaptor_p.h b/src/gui/accessible/linux/atspiadaptor_p.h
index a5fbf2e23d..2c9d7c3bc3 100644
--- a/src/gui/accessible/linux/atspiadaptor_p.h
+++ b/src/gui/accessible/linux/atspiadaptor_p.h
@@ -31,7 +31,6 @@ QT_REQUIRE_CONFIG(accessibility);
 QT_BEGIN_NAMESPACE
 
 class QAccessibleInterface;
-class QSpiAccessibleInterface;
 class QSpiApplicationAdaptor;