diff --git a/sysdeps/posix/sleep.c b/sysdeps/posix/sleep.c
index 75d9c18..80beb2a 100644
--- a/sysdeps/posix/sleep.c
+++ b/sysdeps/posix/sleep.c
@@ -32,15 +32,6 @@
 unsigned int
 __sleep (unsigned int seconds)
 {
-  /* This is not necessary but some buggy programs depend on it.  */
-  if (__glibc_unlikely (seconds == 0))
-    {
-#ifdef CANCELLATION_P
-      CANCELLATION_P (THREAD_SELF);
-#endif
-      return 0;
-    }
-
   int save_errno = errno;
 
   const unsigned int max
diff --git a/sysdeps/unix/sysv/linux/sleep.c b/sysdeps/unix/sysv/linux/sleep.c
deleted file mode 100644
index 2a06d5a..0000000
--- a/sysdeps/unix/sysv/linux/sleep.c
+++ /dev/null
@@ -1,149 +0,0 @@
-/* Implementation of the POSIX sleep function using nanosleep.
-   Copyright (C) 1996-2015 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
-
-#include <errno.h>
-#include <time.h>
-#include <signal.h>
-#include <string.h>	/* For the real memset prototype.  */
-#include <unistd.h>
-#include <sys/param.h>
-#include <nptl/pthreadP.h>
-
-
-#if 0
-static void
-cl (void *arg)
-{
-  (void) __sigprocmask (SIG_SETMASK, arg, (sigset_t *) NULL);
-}
-#endif
-
-
-/* We are going to use the `nanosleep' syscall of the kernel.  But the
-   kernel does not implement the stupid SysV SIGCHLD vs. SIG_IGN
-   behaviour for this syscall.  Therefore we have to emulate it here.  */
-unsigned int
-__sleep (unsigned int seconds)
-{
-  const unsigned int max
-    = (unsigned int) (((unsigned long int) (~((time_t) 0))) >> 1);
-  struct timespec ts;
-  sigset_t set, oset;
-  unsigned int result;
-
-  /* This is not necessary but some buggy programs depend on this.  */
-  if (__glibc_unlikely (seconds == 0))
-    {
-#ifdef CANCELLATION_P
-      CANCELLATION_P (THREAD_SELF);
-#endif
-      return 0;
-    }
-
-  ts.tv_sec = 0;
-  ts.tv_nsec = 0;
- again:
-  if (sizeof (ts.tv_sec) <= sizeof (seconds))
-    {
-      /* Since SECONDS is unsigned assigning the value to .tv_sec can
-	 overflow it.  In this case we have to wait in steps.  */
-      ts.tv_sec += MIN (seconds, max);
-      seconds -= (unsigned int) ts.tv_sec;
-    }
-  else
-    {
-      ts.tv_sec = (time_t) seconds;
-      seconds = 0;
-    }
-
-  /* Linux will wake up the system call, nanosleep, when SIGCHLD
-     arrives even if SIGCHLD is ignored.  We have to deal with it
-     in libc.  We block SIGCHLD first.  */
-  __sigemptyset (&set);
-  __sigaddset (&set, SIGCHLD);
-  if (__sigprocmask (SIG_BLOCK, &set, &oset))
-    return -1;
-
-  /* If SIGCHLD is already blocked, we don't have to do anything.  */
-  if (!__sigismember (&oset, SIGCHLD))
-    {
-      int saved_errno;
-      struct sigaction oact;
-
-      __sigemptyset (&set);
-      __sigaddset (&set, SIGCHLD);
-
-      /* We get the signal handler for SIGCHLD.  */
-      if (__sigaction (SIGCHLD, (struct sigaction *) NULL, &oact) < 0)
-	{
-	  saved_errno = errno;
-	  /* Restore the original signal mask.  */
-	  (void) __sigprocmask (SIG_SETMASK, &oset, (sigset_t *) NULL);
-	  __set_errno (saved_errno);
-	  return -1;
-	}
-
-      /* Note the sleep() is a cancellation point.  But since we call
-	 nanosleep() which itself is a cancellation point we do not
-	 have to do anything here.  */
-      if (oact.sa_handler == SIG_IGN)
-	{
-	  //__libc_cleanup_push (cl, &oset);
-
-	  /* We should leave SIGCHLD blocked.  */
-	  while (1)
-	    {
-	      result = __nanosleep (&ts, &ts);
-
-	      if (result != 0 || seconds == 0)
-		break;
-
-	      if (sizeof (ts.tv_sec) <= sizeof (seconds))
-		{
-		  ts.tv_sec = MIN (seconds, max);
-		  seconds -= (unsigned int) ts.tv_nsec;
-		}
-	    }
-
-	  //__libc_cleanup_pop (0);
-
-	  saved_errno = errno;
-	  /* Restore the original signal mask.  */
-	  (void) __sigprocmask (SIG_SETMASK, &oset, (sigset_t *) NULL);
-	  __set_errno (saved_errno);
-
-	  goto out;
-	}
-
-      /* We should unblock SIGCHLD.  Restore the original signal mask.  */
-      (void) __sigprocmask (SIG_SETMASK, &oset, (sigset_t *) NULL);
-    }
-
-  result = __nanosleep (&ts, &ts);
-  if (result == 0 && seconds != 0)
-    goto again;
-
- out:
-  if (result != 0)
-    /* Round remaining time.  */
-    result = seconds + (unsigned int) ts.tv_sec + (ts.tv_nsec >= 500000000L);
-
-  return result;
-}
-weak_alias (__sleep, sleep)
