--- b/cut-n-paste/synctex/synctex_parser.c
+++ a/cut-n-paste/synctex/synctex_parser.c
@@ -8411,7 +8411,6 @@
     int length;             /*  the number of chars appended */
 };
 
-__attribute__((__format__ (__printf__, 2, 3)))
 static int _synctex_updater_print(synctex_updater_p updater, const char * format, ...) {
     int result = 0;
     if (updater) {
@@ -8448,7 +8447,6 @@
 /**
  *  gzvprintf is not available until OSX 10.10
  */
-__attribute__((__format__ (__printf__, 2, 3)))
 static int _synctex_updater_print_gz(synctex_updater_p updater, const char * format, ...) {
     int result = 0;
     if (updater) {
--- b/cut-n-paste/synctex/synctex_parser_utils.c
+++ a/cut-n-paste/synctex/synctex_parser_utils.c
@@ -149,7 +149,6 @@
     return result;
 }
 
-__attribute__((__format__ (__printf__, 1, 2)))
 int _synctex_debug(const char * reason,...) {
     va_list arg;
     int result;
--- b/cut-n-paste/unarr/common/unarr.c
+++ a/cut-n-paste/unarr/common/unarr.c
@@ -92,7 +92,6 @@
     return ar->get_comment(ar, buffer, count);
 }
 
-__attribute__((__format__ (__printf__, 4, 0)))
 void ar_log(const char *prefix, const char *file, int line, const char *msg, ...)
 {
     va_list args;