diff --git a/include/boost/exception/detail/exception_ptr.hpp b/include/boost/exception/detail/exception_ptr.hpp
index e927398..36298fa 100644
--- a/include/boost/exception/detail/exception_ptr.hpp
+++ b/include/boost/exception/detail/exception_ptr.hpp
@@ -21,7 +21,9 @@
 #include <boost/exception/diagnostic_information.hpp>
 #include <boost/exception/detail/type_info.hpp>
 #include <boost/exception/detail/clone_current_exception.hpp>
-#include <boost/units/detail/utility.hpp>
+//#ifndef BOOST_NO_RTTI
+//#include <boost/units/detail/utility.hpp>
+//#endif
 #include <boost/shared_ptr.hpp>
 #include <stdexcept>
 #include <new>
@@ -90,7 +92,7 @@ boost
     std::string
     to_string( original_exception_type const & x )
         {
-        return units::detail::demangle(x.value()->name());
+        return /*units::detail::demangle*/(x.value()->name());
         }
 #endif
 
diff --git a/include/boost/exception/detail/type_info.hpp b/include/boost/exception/detail/type_info.hpp
index 15fa1c4..0af8ef5 100644
--- a/include/boost/exception/detail/type_info.hpp
+++ b/include/boost/exception/detail/type_info.hpp
@@ -15,9 +15,9 @@
 #include <boost/detail/sp_typeinfo.hpp>
 #include <boost/current_function.hpp>
 #include <boost/config.hpp>
-#ifndef BOOST_NO_TYPEID
-#include <boost/units/detail/utility.hpp>
-#endif
+//#ifndef BOOST_NO_TYPEID
+//#include <boost/units/detail/utility.hpp>
+//#endif
 #include <string>
 
 namespace
@@ -31,7 +31,7 @@ boost
 #ifdef BOOST_NO_TYPEID
         return BOOST_CURRENT_FUNCTION;
 #else
-        return units::detail::demangle(typeid(T*).name());
+        return /*units::detail::demangle*/(typeid(T*).name());
 #endif
         }
 
@@ -43,7 +43,7 @@ boost
 #ifdef BOOST_NO_TYPEID
         return BOOST_CURRENT_FUNCTION;
 #else
-        return units::detail::demangle(typeid(T).name());
+        return /*units::detail::demangle*/(typeid(T).name());
 #endif
         }
 
diff --git a/include/boost/exception/diagnostic_information.hpp b/include/boost/exception/diagnostic_information.hpp
index 5ac8c6b..7889c8f 100644
--- a/include/boost/exception/diagnostic_information.hpp
+++ b/include/boost/exception/diagnostic_information.hpp
@@ -16,9 +16,9 @@
 #include <boost/exception/get_error_info.hpp>
 #include <boost/exception/info.hpp>
 #include <boost/utility/enable_if.hpp>
-#ifndef BOOST_NO_RTTI
-#include <boost/units/detail/utility.hpp>
-#endif
+//#ifndef BOOST_NO_RTTI
+//#include <boost/units/detail/utility.hpp>
+//#endif
 #include <exception>
 #include <sstream>
 #include <string>
@@ -151,7 +151,7 @@ boost
 #ifndef BOOST_NO_RTTI
             if ( verbose )
                 tmp << std::string("Dynamic exception type: ") <<
-                    units::detail::demangle((be?(BOOST_EXCEPTION_DYNAMIC_TYPEID(*be)):(BOOST_EXCEPTION_DYNAMIC_TYPEID(*se))).type_->name()) << '\n';
+                    /*units::detail::demangle*/((be?(BOOST_EXCEPTION_DYNAMIC_TYPEID(*be)):(BOOST_EXCEPTION_DYNAMIC_TYPEID(*se))).type_->name()) << '\n';
 #endif
             if( with_what && se && verbose )
                 tmp << "std::exception::what: " << wh << '\n';