1 files changed, 0 insertions, 2 deletions
diff --git a/diff.c b/diff.c
index b001d7b507..7c982b4947 100644
--- a/diff.c
+++ b/diff.c
@@ -1439,8 +1439,6 @@ static const struct funcname_pattern_entry builtin_funcname_pattern[] = {
 	{ "python", "^[ \t]*((class|def)[ \t].*)$", REG_EXTENDED },
 	{ "ruby", "^[ \t]*((class|module|def)[ \t].*)$",
 	  REG_EXTENDED },
-	{ "bibtex", "(@[a-zA-Z]{1,}[ \t]*\\{{0,1}[ \t]*[^ \t\"@',\\#}{~%]*).*$",
-	  REG_EXTENDED },
 	{ "tex",
 	  "^(\\\\((sub)*section|chapter|part)\\*{0,1}\\{.*)$",
 	  REG_EXTENDED },