diff --git a/example/doc_managed_mapped_file.cpp b/example/doc_managed_mapped_file.cpp
index 2b59626..8f11862 100644
--- a/example/doc_managed_mapped_file.cpp
+++ b/example/doc_managed_mapped_file.cpp
@@ -7,11 +7,10 @@
 // See http://www.boost.org/libs/interprocess for documentation.
 //
 //////////////////////////////////////////////////////////////////////////////
-#if defined(BOOST_INTERPROCESS_MAPPED_FILES)
-
-#include <boost/interprocess/detail/config_begin.hpp>
 #include <boost/interprocess/detail/workaround.hpp>
 
+#if defined(BOOST_INTERPROCESS_MAPPED_FILES)
+
 #include <boost/interprocess/containers/list.hpp>
 #include <boost/interprocess/managed_mapped_file.hpp>
 #include <boost/interprocess/allocators/allocator.hpp>
@@ -107,8 +106,6 @@ int main ()
    return 0;
 }
 
-#include <boost/interprocess/detail/config_end.hpp>
-
 #else //#if defined(BOOST_INTERPROCESS_MAPPED_FILES)
 int main()
 {