diff --git a/trace.c b/trace.c
index 37a7fa9640d191bfe3892cfe3b8eb821aaf26a64..3e315587e084d7666ea4f9c7117dc4b3329d2188 100644
--- a/trace.c
+++ b/trace.c
@@ -75,7 +75,6 @@ static void trace_vprintf(const char *key, const char *format, va_list ap)
 	strbuf_release(&buf);
 }
 
-__attribute__((format (printf, 2, 3)))
 void trace_printf_key(const char *key, const char *format, ...)
 {
 	va_list ap;