diff --git a/sysdeps/unix/sysv/linux/arm/umount.c b/sysdeps/unix/sysv/linux/arm/umount.c
deleted file mode 100644
index 87997e0..0000000
--- a/sysdeps/unix/sysv/linux/arm/umount.c
+++ /dev/null
@@ -1,30 +0,0 @@
-/* Copyright (C) 2000-2018 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by David Huggins-Daines <dhd@debian.org>, 2000.
-
-   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/>.  */
-
-/* Since we don't have an oldumount system call, do what the kernel
-   does down here.  */
-
-extern long int __umount2 (const char *name, int flags);
-
-long int
-__umount (const char *name)
-{
-  return __umount2 (name, 0);
-}
-
-weak_alias (__umount, umount);
diff --git a/sysdeps/unix/sysv/linux/generic/umount.c b/sysdeps/unix/sysv/linux/generic/umount.c
deleted file mode 100644
index 1c8bea5..0000000
--- a/sysdeps/unix/sysv/linux/generic/umount.c
+++ /dev/null
@@ -1,30 +0,0 @@
-/* Copyright (C) 2011-2018 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
-
-   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/>.  */
-
-/* Since the generic Linux syscall ABI doesn't have an oldumount system call,
-   do what the kernel does down here.  */
-
-extern long int __umount2 (const char *name, int flags);
-
-long int
-__umount (const char *name)
-{
-  return __umount2 (name, 0);
-}
-
-weak_alias (__umount, umount);
diff --git a/sysdeps/unix/sysv/linux/hppa/umount.c b/sysdeps/unix/sysv/linux/hppa/umount.c
deleted file mode 100644
index 208fbec..0000000
--- a/sysdeps/unix/sysv/linux/hppa/umount.c
+++ /dev/null
@@ -1 +0,0 @@
-#include <sysdeps/unix/sysv/linux/mips/mips64/umount.c>
diff --git a/sysdeps/unix/sysv/linux/ia64/umount.c b/sysdeps/unix/sysv/linux/ia64/umount.c
deleted file mode 100644
index 8cf5a75..0000000
--- a/sysdeps/unix/sysv/linux/ia64/umount.c
+++ /dev/null
@@ -1,29 +0,0 @@
-/* umount system call for Linux/ia64.
-   Copyright (C) 2003-2018 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   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 <sys/mount.h>
-#include <errno.h>
-
-#include <sysdep.h>
-
-/* Unmount a filesystem.  */
-int
-umount (const char *special_file)
-{
-  return INLINE_SYSCALL (umount, 2, special_file, 0);
-}
diff --git a/sysdeps/unix/sysv/linux/mips/mips64/umount.c b/sysdeps/unix/sysv/linux/mips/mips64/umount.c
deleted file mode 100644
index 87997e0..0000000
--- a/sysdeps/unix/sysv/linux/mips/mips64/umount.c
+++ /dev/null
@@ -1,30 +0,0 @@
-/* Copyright (C) 2000-2018 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by David Huggins-Daines <dhd@debian.org>, 2000.
-
-   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/>.  */
-
-/* Since we don't have an oldumount system call, do what the kernel
-   does down here.  */
-
-extern long int __umount2 (const char *name, int flags);
-
-long int
-__umount (const char *name)
-{
-  return __umount2 (name, 0);
-}
-
-weak_alias (__umount, umount);
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/umount.c b/sysdeps/unix/sysv/linux/powerpc/powerpc64/umount.c
deleted file mode 100644
index e10b40f..0000000
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/umount.c
+++ /dev/null
@@ -1 +0,0 @@
-#include <sysdeps/unix/sysv/linux/x86_64/umount.c>
diff --git a/sysdeps/unix/sysv/linux/umount.S b/sysdeps/unix/sysv/linux/umount.S
deleted file mode 100644
index e18463e..0000000
--- a/sysdeps/unix/sysv/linux/umount.S
+++ /dev/null
@@ -1,12 +0,0 @@
-/* This hack is necessary since the kernel people are making "strange"
-   changes.  They simply rename old system calls.  */
-
-#include <sysdep.h>
-#ifdef __NR_oldumount
-PSEUDO (__umount, oldumount, 1)
-#else
-PSEUDO (__umount, umount, 1)
-#endif
-	ret
-PSEUDO_END(__umount)
-weak_alias (__umount, umount)
diff --git a/sysdeps/unix/sysv/linux/umount.c b/sysdeps/unix/sysv/linux/umount.c
new file mode 100644
index 0000000..1c8bea5
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/umount.c
@@ -0,0 +1,30 @@
+/* Copyright (C) 2011-2018 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
+
+   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/>.  */
+
+/* Since the generic Linux syscall ABI doesn't have an oldumount system call,
+   do what the kernel does down here.  */
+
+extern long int __umount2 (const char *name, int flags);
+
+long int
+__umount (const char *name)
+{
+  return __umount2 (name, 0);
+}
+
+weak_alias (__umount, umount);
diff --git a/sysdeps/unix/sysv/linux/x86_64/umount.c b/sysdeps/unix/sysv/linux/x86_64/umount.c
deleted file mode 100644
index 9030774..0000000
--- a/sysdeps/unix/sysv/linux/x86_64/umount.c
+++ /dev/null
@@ -1,30 +0,0 @@
-/* Copyright (C) 2000-2018 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by David Huggins-Daines <dhd@debian.org>, 2000.
-
-   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/>.  */
-
-/* Since we don't have an oldumount system call, do what the kernel
-   does down here.  */
-
-extern long int __umount2 (const char *name, int flags);
-
-long int
-__umount (const char *name)
-{
-  return __umount2 (name, 0);
-}
-
-weak_alias (__umount, umount);
