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I have many citations in biliography file that I am not using them in the text.

To be more specific, I have a file with name bibliography.bib and contains

@article{first, title={...}, etc}
@book{second, title={.....}, etc}

and so on. However, I am not using all of them in my document. Is there any way to identifying the references that I am not using and remove them? I am using overleaf if that's helpful!

Thank you so much for your help!

John Angelopoulos
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  • Please clarify your specific problem or provide additional details to highlight exactly what you need. As it's currently written, it's hard to tell exactly what you're asking. – Community Aug 29 '21 at 14:46
  • @Community hope that this is better! – John Angelopoulos Aug 29 '21 at 14:54
  • WinEdt has a nice macro to generate a minimal bib file from the bbl file – Denis Aug 29 '21 at 15:39
  • Why exactly are you worried about unused references? They will not show up your file, after all. That said, I am not aware of a fully automatic method to remove such entries. – Ingmar Aug 29 '21 at 15:57
  • Last tab of a reference in Jabref show if it is cited in one or more latex files in the directory. If no cites are found, you can delete the reference. However, I would do first a backup of the whole .bib file, just in case that you remove some reference actually cited. – Fran Aug 30 '21 at 01:12
  • By default biblatex (as well as BibTeX) only add those entries to the bibliography list that were actually cited with \...cite and friends in the text. You can override this behaviour and add all entries from the .bib file to the bibliography with \nocite{*}. With biblatex it is not too hard to separate the bibliography into works that were actually \...cited and those that were only added to the bibliography because of \nocite: https://tex.stackexchange.com/q/6967/35864. – moewe Aug 30 '21 at 06:17

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