Org-mode is a power editor. I use it to write scientific notes and produce them into tex/PDF files.

When I produce .org file into .tex or .pdf file, some codes are generated automatically by org-mode, such as:

 \hypersetup{
    pdfkeywords={},
    pdfsubject={},
    pdfcreator={Emacs Org-mode version 7.8.11}}

Those codes make some information occupied the first page of PDF file, that is useless for me. How to prevent those codes from appearing on the tex-file produced and its PDF?

latex org-mode
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