diff --git a/include/toolkit/helper/vclunohelper.hxx b/include/toolkit/helper/vclunohelper.hxx
index b0099d547e79..c32de33f28aa 100644
--- a/include/toolkit/helper/vclunohelper.hxx
+++ b/include/toolkit/helper/vclunohelper.hxx
@@ -77,7 +77,6 @@ public:
 
     // Window
     static vcl::Window*                               GetWindow( const css::uno::Reference< css::awt::XWindow>& rxWindow );
-    static vcl::Window*                               GetWindow( const css::uno::Reference< css::awt::XWindow2>& rxWindow2 );
     static vcl::Window*                               GetWindow( const css::uno::Reference< css::awt::XWindowPeer>& rxWindowPeer );
     static css::uno::Reference< css::awt::XWindow>    GetInterface( vcl::Window* pWindow );
 
diff --git a/toolkit/source/helper/vclunohelper.cxx b/toolkit/source/helper/vclunohelper.cxx
index 8e70456b1386..fb39ae519edb 100644
--- a/toolkit/source/helper/vclunohelper.cxx
+++ b/toolkit/source/helper/vclunohelper.cxx
@@ -80,12 +80,6 @@ vcl::Window* VCLUnoHelper::GetWindow( const css::uno::Reference< css::awt::XWind
     return pVCLXWindow ? pVCLXWindow->GetWindow() : nullptr;
 }
 
-vcl::Window* VCLUnoHelper::GetWindow( const css::uno::Reference< css::awt::XWindow2>& rxWindow )
-{
-    VCLXWindow* pVCLXWindow = dynamic_cast<VCLXWindow*>( rxWindow.get() );
-    return pVCLXWindow ? pVCLXWindow->GetWindow() : nullptr;
-}
-
 vcl::Window* VCLUnoHelper::GetWindow( const css::uno::Reference< css::awt::XWindowPeer>& rxWindow )
 {
     VCLXWindow* pVCLXWindow = dynamic_cast<VCLXWindow*>( rxWindow.get() );