diff --git a/elftoaout-2.3/elftoaout.c b/elftoaout-2.3/elftoaout.c
index 1f9b4c0..2b87e2e 100644
--- a/elftoaout-2.3/elftoaout.c
+++ b/elftoaout-2.3/elftoaout.c
@@ -21,12 +21,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <stdint.h>
-#ifdef linux
-#include <linux/elf.h>
-#define ELFDATA2MSB   2
-#else
-#include <sys/elf.h>
-#endif
+#include <elf.h>
 
 static uint16_t swab16(uint16_t x)
 {