diff --git a/src/unix/notbsd/android/mod.rs b/src/unix/notbsd/android/mod.rs
index ac1a124c37c1dc9da7999185d45d21a923adcc44..f892a981a3eb5896e0ed902e2eaeacd4eba3ccad 100644
--- a/src/unix/notbsd/android/mod.rs
+++ b/src/unix/notbsd/android/mod.rs
@@ -648,30 +648,7 @@ extern {
                        serv: *mut ::c_char,
                        sevlen: ::size_t,
                        flags: ::c_int) -> ::c_int;
-    pub fn eventfd(init: ::c_uint, flags: ::c_int) -> ::c_int;
     pub fn ptrace(request: ::c_int, ...) -> ::c_long;
-    pub fn fstat64(fildes: ::c_int, buf: *mut stat64) -> ::c_int;
-    pub fn stat64(path: *const c_char, buf: *mut stat64) -> ::c_int;
-    pub fn open64(path: *const c_char, oflag: ::c_int, ...) -> ::c_int;
-    pub fn creat64(path: *const c_char, mode: mode_t) -> ::c_int;
-    pub fn lseek64(fd: ::c_int, offset: off64_t, whence: ::c_int) -> off64_t;
-    pub fn pread64(fd: ::c_int, buf: *mut ::c_void, count: ::size_t,
-                   offset: off64_t) -> ::ssize_t;
-    pub fn pwrite64(fd: ::c_int, buf: *const ::c_void, count: ::size_t,
-                    offset: off64_t) -> ::ssize_t;
-    pub fn mmap64(addr: *mut ::c_void,
-                  len: ::size_t,
-                  prot: ::c_int,
-                  flags: ::c_int,
-                  fd: ::c_int,
-                  offset: off64_t)
-                  -> *mut ::c_void;
-    pub fn lstat64(path: *const c_char, buf: *mut stat64) -> ::c_int;
-    pub fn ftruncate64(fd: ::c_int, length: off64_t) -> ::c_int;
-    pub fn readdir64_r(dirp: *mut ::DIR, entry: *mut ::dirent64,
-                       result: *mut *mut ::dirent64) -> ::c_int;
-    pub fn getrlimit64(resource: ::c_int, rlim: *mut rlimit64) -> ::c_int;
-    pub fn setrlimit64(resource: ::c_int, rlim: *const rlimit64) -> ::c_int;
 }
 
 cfg_if! {
diff --git a/src/unix/notbsd/linux/mips.rs b/src/unix/notbsd/linux/mips.rs
index de17e488b808d9a486be41fdef6d62dfe1eb3418..ae8725d5036f4f26d94a5f0acf8df516b7dd40ea 100644
--- a/src/unix/notbsd/linux/mips.rs
+++ b/src/unix/notbsd/linux/mips.rs
@@ -520,14 +520,6 @@ extern {
                                                    -> ::c_int>,
                   pglob: *mut glob64_t) -> ::c_int;
     pub fn globfree64(pglob: *mut glob64_t);
-    pub fn getnameinfo(sa: *const ::sockaddr,
-                       salen: ::socklen_t,
-                       host: *mut ::c_char,
-                       hostlen: ::socklen_t,
-                       serv: *mut ::c_char,
-                       sevlen: ::socklen_t,
-                       flags: ::c_int) -> ::c_int;
-    pub fn eventfd(init: ::c_uint, flags: ::c_int) -> ::c_int;
     pub fn ptrace(request: ::c_uint, ...) -> ::c_long;
     pub fn pthread_attr_getaffinity_np(attr: *const ::pthread_attr_t,
                                        cpusetsize: ::size_t,
diff --git a/src/unix/notbsd/linux/mod.rs b/src/unix/notbsd/linux/mod.rs
index 81693382cdb565822432fc47bfec8c699911f51d..5bb5f6b68c722340557bb8d9c08c3dbf91b3cec9 100644
--- a/src/unix/notbsd/linux/mod.rs
+++ b/src/unix/notbsd/linux/mod.rs
@@ -494,29 +494,6 @@ extern {
     pub fn tmpfile64() -> *mut ::FILE;
     pub fn fgetpos64(stream: *mut ::FILE, ptr: *mut fpos64_t) -> ::c_int;
     pub fn fsetpos64(stream: *mut ::FILE, ptr: *const fpos64_t) -> ::c_int;
-    pub fn fstat64(fildes: ::c_int, buf: *mut stat64) -> ::c_int;
-    pub fn stat64(path: *const c_char, buf: *mut stat64) -> ::c_int;
-    pub fn open64(path: *const c_char, oflag: ::c_int, ...) -> ::c_int;
-    pub fn creat64(path: *const c_char, mode: mode_t) -> ::c_int;
-    pub fn lseek64(fd: ::c_int, offset: off64_t, whence: ::c_int) -> off64_t;
-    pub fn pread64(fd: ::c_int, buf: *mut ::c_void, count: ::size_t,
-                   offset: off64_t) -> ::ssize_t;
-    pub fn pwrite64(fd: ::c_int, buf: *const ::c_void, count: ::size_t,
-                    offset: off64_t) -> ::ssize_t;
-    pub fn mmap64(addr: *mut ::c_void,
-                  len: ::size_t,
-                  prot: ::c_int,
-                  flags: ::c_int,
-                  fd: ::c_int,
-                  offset: off64_t)
-                  -> *mut ::c_void;
-    pub fn lstat64(path: *const c_char, buf: *mut stat64) -> ::c_int;
-    pub fn ftruncate64(fd: ::c_int, length: off64_t) -> ::c_int;
-    pub fn readdir64_r(dirp: *mut ::DIR, entry: *mut ::dirent64,
-                       result: *mut *mut ::dirent64) -> ::c_int;
-
-    pub fn getrlimit64(resource: ::c_int, rlim: *mut rlimit64) -> ::c_int;
-    pub fn setrlimit64(resource: ::c_int, rlim: *const rlimit64) -> ::c_int;
     pub fn fseeko64(stream: *mut ::FILE,
                     offset: ::off64_t,
                     whence: ::c_int) -> ::c_int;
@@ -615,6 +592,13 @@ extern {
                    termp: *const termios,
                    winp: *const ::winsize) -> ::pid_t;
     pub fn nl_langinfo_l(item: ::nl_item, locale: ::locale_t) -> *mut ::c_char;
+    pub fn getnameinfo(sa: *const ::sockaddr,
+                       salen: ::socklen_t,
+                       host: *mut ::c_char,
+                       hostlen: ::socklen_t,
+                       serv: *mut ::c_char,
+                       sevlen: ::socklen_t,
+                       flags: ::c_int) -> ::c_int;
 }
 
 cfg_if! {
diff --git a/src/unix/notbsd/linux/musl/mod.rs b/src/unix/notbsd/linux/musl/mod.rs
index cd04d851a5462cb720d9a71cbf36f57169a762c6..631a39a4932f5ab81b96982c9525b75a613585da 100644
--- a/src/unix/notbsd/linux/musl/mod.rs
+++ b/src/unix/notbsd/linux/musl/mod.rs
@@ -154,15 +154,7 @@ pub const CLOCK_SGI_CYCLE: ::clockid_t = 10;
 pub const CLOCK_TAI: ::clockid_t = 11;
 
 extern {
-    pub fn getnameinfo(sa: *const ::sockaddr,
-                       salen: ::socklen_t,
-                       host: *mut ::c_char,
-                       hostlen: ::socklen_t,
-                       serv: *mut ::c_char,
-                       sevlen: ::socklen_t,
-                       flags: ::c_int) -> ::c_int;
     pub fn ioctl(fd: ::c_int, request: ::c_int, ...) -> ::c_int;
-    pub fn eventfd(init: ::c_uint, flags: ::c_int) -> ::c_int;
     pub fn ptrace(request: ::c_int, ...) -> ::c_long;
 }
 
diff --git a/src/unix/notbsd/linux/other/mod.rs b/src/unix/notbsd/linux/other/mod.rs
index 18b96f523a26bf842b0d126f0b71ad082c3acd6e..840c1aa554a5a3ee819c71acfc79114e1b91558e 100644
--- a/src/unix/notbsd/linux/other/mod.rs
+++ b/src/unix/notbsd/linux/other/mod.rs
@@ -487,14 +487,6 @@ extern {
                                                    -> ::c_int>,
                   pglob: *mut glob64_t) -> ::c_int;
     pub fn globfree64(pglob: *mut glob64_t);
-    pub fn getnameinfo(sa: *const ::sockaddr,
-                       salen: ::socklen_t,
-                       host: *mut ::c_char,
-                       hostlen: ::socklen_t,
-                       serv: *mut ::c_char,
-                       sevlen: ::socklen_t,
-                       flags: ::c_int) -> ::c_int;
-    pub fn eventfd(init: ::c_uint, flags: ::c_int) -> ::c_int;
     pub fn ptrace(request: ::c_uint, ...) -> ::c_long;
     pub fn pthread_attr_getaffinity_np(attr: *const ::pthread_attr_t,
                                        cpusetsize: ::size_t,
diff --git a/src/unix/notbsd/mod.rs b/src/unix/notbsd/mod.rs
index d6e42d8451d4e8cc6b9ffe3eb3fd4b67dde3c2fb..7bae177bc59da008843e6b9e85da89d01eca9c17 100644
--- a/src/unix/notbsd/mod.rs
+++ b/src/unix/notbsd/mod.rs
@@ -770,6 +770,29 @@ extern {
                      locale: *const ::c_char,
                      base: ::locale_t) -> ::locale_t;
     pub fn uselocale(loc: ::locale_t) -> ::locale_t;
+    pub fn creat64(path: *const c_char, mode: mode_t) -> ::c_int;
+    pub fn fstat64(fildes: ::c_int, buf: *mut stat64) -> ::c_int;
+    pub fn ftruncate64(fd: ::c_int, length: off64_t) -> ::c_int;
+    pub fn getrlimit64(resource: ::c_int, rlim: *mut rlimit64) -> ::c_int;
+    pub fn lseek64(fd: ::c_int, offset: off64_t, whence: ::c_int) -> off64_t;
+    pub fn lstat64(path: *const c_char, buf: *mut stat64) -> ::c_int;
+    pub fn mmap64(addr: *mut ::c_void,
+                  len: ::size_t,
+                  prot: ::c_int,
+                  flags: ::c_int,
+                  fd: ::c_int,
+                  offset: off64_t)
+                  -> *mut ::c_void;
+    pub fn open64(path: *const c_char, oflag: ::c_int, ...) -> ::c_int;
+    pub fn pread64(fd: ::c_int, buf: *mut ::c_void, count: ::size_t,
+                   offset: off64_t) -> ::ssize_t;
+    pub fn pwrite64(fd: ::c_int, buf: *const ::c_void, count: ::size_t,
+                    offset: off64_t) -> ::ssize_t;
+    pub fn readdir64_r(dirp: *mut ::DIR, entry: *mut ::dirent64,
+                       result: *mut *mut ::dirent64) -> ::c_int;
+    pub fn setrlimit64(resource: ::c_int, rlim: *const rlimit64) -> ::c_int;
+    pub fn stat64(path: *const c_char, buf: *mut stat64) -> ::c_int;
+    pub fn eventfd(init: ::c_uint, flags: ::c_int) -> ::c_int;
 }
 
 cfg_if! {