diff --git a/include/boost/detail/container_fwd.hpp b/include/boost/detail/container_fwd.hpp
index a90ce5f..04ce972 100644
--- a/include/boost/detail/container_fwd.hpp
+++ b/include/boost/detail/container_fwd.hpp
@@ -119,12 +119,7 @@ namespace std
     template <class T> class allocator;
     template <class charT, class traits, class Allocator> class basic_string;
 
-#if BOOST_WORKAROUND(__GNUC__, < 3) && !defined(__SGI_STL_PORT) && !defined(_STLPORT_VERSION)
-
-    template <class charT> struct string_char_traits;
-#else
     template <class charT> struct char_traits;
-#endif
 
 #if defined(BOOST_CONTAINER_FWD_COMPLEX_STRUCT)
     template <class T> struct complex;