--- ./jdk/src/java.base/unix/native/libnio/ch/FileChannelImpl.c	2017-05-12 23:48:01.000000000 +0530
+++ ../FileChannelImpl.c	2017-05-14 22:51:02.292589382 +0530
@@ -41,8 +41,6 @@
 #include <sys/sendfile.h>
 #ifdef __ANDROID__
 #define mmap64 mmap
-#include <sys/syscall.h>
-#define sendfile64(a,b,c,d) syscall(__NR_sendfile64, a, b, c, d);
 #endif
 #elif defined(_AIX)
 #include <sys/socket.h>