diff --git a/lib/libx52util/libx52util.h b/lib/libx52util/libx52util.h
index 1ff27a2..b61003b 100644
--- a/lib/libx52util/libx52util.h
+++ b/lib/libx52util/libx52util.h
@@ -12,8 +12,7 @@
 #ifndef LIBX52UTIL_H
 #define LIBX52UTIL_H
 
-#include <time.h>
-#include <stdint.h>
+#include <stddef.h>
 
 #ifdef __cplusplus
 extern "C" {