diff --git a/FStream.hxx.in b/FStream.hxx.in
index 916a93ebafdb5a7f7ec26c0c8f1c52175b063d27..00c84ee8ad2c8ec6b255087ae8285e0deb1c6584 100644
--- a/FStream.hxx.in
+++ b/FStream.hxx.in
@@ -161,7 +161,6 @@ class basic_ofstream : public std::basic_ostream<CharType,Traits>
   typedef basic_ofstream<char> ofstream;
 
 #else
-  using @KWSYS_NAMESPACE@_ios_namespace::basic_filebuf;
   using @KWSYS_NAMESPACE@_ios_namespace::ofstream;
   using @KWSYS_NAMESPACE@_ios_namespace::ifstream;
 #endif