/sys$common/syshlp/helplib.hlb CC, Messages, UNNECINCL  *Conan The Librarian (sorry for the slow response - running on an old VAX)

 Message        It is not necessary to include this file, if other
                unused include directives are removed.

 Description    There is some reference to this file from another
                include file or dictionary directive that is not used
                when using the current set of compilation options.
                If you remove the unused include files and unused
                dictionary directives, this include file could also
                be eliminated when compiling with the current set of
                compilation options.

 User Action    When compiling with the current set of compilation
                options, to increase compilation efficiency you may
                exclude this include file if you also remove other
                unused files.