How can I suppress the year from appearing in the bibliography for entries of type @inproceedings? In my specific case the year is implied in the booktitle (e.g. FOCS '09) so it is redundant when I need to save space. I found http://www.latex-community.org/forum/viewtopic.php?f=50&t=11447 and the "second solution" looks promising but I am not sure how to translate it to only suppress the year for one type of entry. I am guessing \ifentrytype might be helpful. I am using biblatex+biber.

2 Answers 2





  author = {Author, A.},
  year = {2001},
  title = {Alpha},
  author = {Buthor, B.},
  editor = {Cuthor, C.},
  year = {2009},
  title = {Bravo},
  booktitle = {FOCS'09},





  • 1
    Thanks. I didn't realise it would be that straightforward.
    – graffe
    Jul 15, 2011 at 5:17

Or, you can do this before the data even gets to biblatex. Assuming biber 0.9.8+; put this in your biber:conf:

<?xml version="1.0" encoding="UTF-8"?>
    <maps datatype="bibtex" map_overwrite="1">
        <map_step map_field_set="YEAR" map_null="1"/>

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