diff --git a/SmootherObject.hh b/SmootherObject.hh
index b054041094c619c3b03cdc226315dc42bb2a1316..63482027b01e574b21d0db12369892c44139c95f 100644
--- a/SmootherObject.hh
+++ b/SmootherObject.hh
@@ -46,9 +46,6 @@
 #include <ObjectTypes/PolyMesh/PolyMesh.hh>
 #include <ObjectTypes/TriangleMesh/TriangleMesh.hh>
 
-#ifndef WIN32
-  #include <tr1/memory>
-#endif
 
 class SmootherObject : public PerObjectData
 {