diff --git a/btgui/urdf/boost_replacement/shared_ptr.h b/btgui/urdf/boost_replacement/shared_ptr.h
index e1a6b349c..5d29732b6 100644
--- a/btgui/urdf/boost_replacement/shared_ptr.h
+++ b/btgui/urdf/boost_replacement/shared_ptr.h
@@ -36,8 +36,6 @@ Dec 2011 - Added deferencing operator
 #ifdef _WIN32
 #include <windows.h>
 
-namespace boost
-{
 class my_shared_count {
 public:
     my_shared_count(): m_count(1) {   }
@@ -65,7 +63,6 @@ public:
 private:
     long m_count;
 };
-};
 #else //ifdef WIN32