diff --git a/TOOLS/avisubdump.c b/TOOLS/avisubdump.c
index 9cc6d976eb..9606137e0c 100644
--- a/TOOLS/avisubdump.c
+++ b/TOOLS/avisubdump.c
@@ -7,8 +7,6 @@
  * The subtitles are dumped to stdout.
  */
 
-#define _LARGEFILE_SOURCE
-#define _FILE_OFFSET_BITS 64
 #include <unistd.h>
 #include <stdio.h>
 #include <stdlib.h>