diff --git a/src/calibre/library/catalogs/bibtex.py b/src/calibre/library/catalogs/bibtex.py
index 17bc2b0803..c7f6731db4 100644
--- a/src/calibre/library/catalogs/bibtex.py
+++ b/src/calibre/library/catalogs/bibtex.py
@@ -393,7 +393,7 @@ class BIBTEX(CatalogPlugin):
                 for entry in data:
                     entry['ondevice'] = db.catalog_plugin_on_device_temp_mapping[entry['id']]['ondevice']
 
-            outfile.write('%%%Calibre catalog\n%%%{0} entries in catalog\n\n'.format(nb_entries))
+            # outfile.write('%%%Calibre catalog\n%%%{0} entries in catalog\n\n'.format(nb_entries))
             outfile.write('@preamble{"This catalog of %d entries was generated by calibre on %s"}\n\n'
                 % (nb_entries, strftime("%A, %d. %B %Y %H:%M")))