diff --git a/Makefile b/Makefile
deleted file mode 100644
index 633deec..0000000
--- a/Makefile
+++ /dev/null
@@ -1,8 +0,0 @@
-CC ?= gcc
-PREFIX ?= /usr/local
-
-sandbox.so: sandbox.c
-	$(CC) $^ $(CFLAGS) -fPIC -ldl -shared -lseccomp -o $@
-
-clean:
-	rm -f sandbox.so
diff --git a/readme b/readme
index fa88ded..f4e9d26 100644
--- a/readme
+++ b/readme
@@ -1,4 +1,3 @@
-make
 sudo python setup.py install
 touch in out
 gcc test.c -o test
diff --git a/sandbox.c b/sandbox.c
deleted file mode 100644
index fe59291..0000000
--- a/sandbox.c
+++ /dev/null
@@ -1,90 +0,0 @@
-////////////////////////////////////////////////////////////////////////////////
-// Copyright (C) 2012-2015 Jun Wu <quark@zju.edu.cn>
-//
-// Permission is hereby granted, free of charge, to any person obtaining a copy
-// of this software and associated documentation files (the "Software"), to deal
-// in the Software without restriction, including without limitation the rights
-// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-// copies of the Software, and to permit persons to whom the Software is
-// furnished to do so, subject to the following conditions:
-//
-// The above copyright notice and this permission notice shall be included in
-// all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-// THE SOFTWARE.
-////////////////////////////////////////////////////////////////////////////////
-
-#define _BSD_SOURCE // readlink
-#include <dlfcn.h>
-#include <stdlib.h> // exit
-#include <string.h> // strstr, memset
-#include <link.h>   // ElfW
-#include <errno.h>  // EPERM
-#include <unistd.h> // readlink
-#include <seccomp.h>
-#include <stdio.h>
-int syscalls_whitelist[] = {SCMP_SYS(read), SCMP_SYS(write), SCMP_SYS(fstat), 
-                            SCMP_SYS(mmap), SCMP_SYS(mprotect), SCMP_SYS(munmap), 
-                            SCMP_SYS(brk), SCMP_SYS(access), SCMP_SYS(exit_group)};
-typedef int (*main_t)(int, char **, char **);
-
-#ifndef __unbounded
-# define __unbounded
-#endif
-
-int __libc_start_main(main_t main, int argc, 
-    char *__unbounded *__unbounded ubp_av,
-    ElfW(auxv_t) *__unbounded auxvec,
-    __typeof (main) init,
-    void (*fini) (void),
-    void (*rtld_fini) (void), void *__unbounded
-    stack_end)
-{
-
-    int i;
-    ssize_t len;
-    void *libc;
-    int whitelist_length = sizeof(syscalls_whitelist) / sizeof(int);
-    scmp_filter_ctx ctx = NULL;
-    int (*libc_start_main)(main_t main,
-        int,
-        char *__unbounded *__unbounded,
-        ElfW(auxv_t) *,
-        __typeof (main),
-        void (*fini) (void),
-        void (*rtld_fini) (void),
-        void *__unbounded stack_end);
-
-    // Get __libc_start_main entry point
-    libc = dlopen("libc.so.6", RTLD_LOCAL  | RTLD_LAZY);
-    if (!libc) {
-        exit(1);
-    }
-
-    libc_start_main = dlsym(libc, "__libc_start_main");
-    if (!libc_start_main) {
-        exit(2);
-    }
-    
-    ctx = seccomp_init(SCMP_ACT_KILL);
-    if (!ctx) {
-        exit(3);
-    }
-    for(i = 0; i < whitelist_length; i++) {
-        if (seccomp_rule_add(ctx, SCMP_ACT_ALLOW, syscalls_whitelist[i], 0)) {
-            exit(4);
-        }
-    }
-    if (seccomp_load(ctx)) {
-        exit(5);
-    }
-    seccomp_release(ctx);
-    return ((*libc_start_main)(main, argc, ubp_av, auxvec,
-                 init, fini, rtld_fini, stack_end));
-}