diff --git a/photon/libc/sys/magenta/sys/syscall.h b/photon/libc/sys/magenta/sys/syscall.h
deleted file mode 100644
index 764395f..0000000
--- a/photon/libc/sys/magenta/sys/syscall.h
+++ /dev/null
@@ -1,24 +0,0 @@
-#ifndef SYS_LINUX_SYSCALL_H_
-#define SYS_LINUX_SYSCALL_H_
-
-#define SYS_read 0
-#define SYS_write 1
-#define SYS_open 2
-#define SYS_close 3
-#define SYS_stat 4
-#define SYS_fstat 5
-#define SYS_lstat 6
-#define SYS_poll 7
-#define SYS_lseek 8
-#define SYS_mmap 9
-#define SYS_mprotect 10
-#define SYS_munmap 11
-#define SYS_brk 12
-#define SYS_rt_sigaction 13
-#define SYS_rt_sigprocmask 14
-#define SYS_rt_sigreturn 15
-#define SYS_ioctl 16
-#define SYS_mremap 25
-#define SYS__exit 60
-
-#endif