Remove unused regex
@@ -90,7 +90,6 @@ sub _regen_prototypes {
my $return_type_re = qr/(?:\w+\s+)+?\**?/;
my $signature_re = qr/\([^\(\)]+?\)/;
-my $c_function_re = qr/($return_type_re(\w+)$signature_re)(?>\n{)/s;
# Shamelessly stolen from Inline::C::ParseRegExp
my $sp = qr{[ \t]|\n(?![ \t]*\n)};
