diff --git a/Rendering/Core/vtkRenderWindow.cxx b/Rendering/Core/vtkRenderWindow.cxx
index 75e9f9a391d..0da755d5d4f 100644
--- a/Rendering/Core/vtkRenderWindow.cxx
+++ b/Rendering/Core/vtkRenderWindow.cxx
@@ -828,6 +828,7 @@ void vtkRenderWindow::RemoveRenderer(vtkRenderer *ren)
   // we are its parent
   if (ren->GetRenderWindow() == this)
     {
+    ren->ReleaseGraphicsResources(this);
     ren->SetRenderWindow(NULL);
     }
   this->Renderers->RemoveItem(ren);