diff --git a/libc/kernel/uapi/xen/evtchn.h b/libc/kernel/uapi/xen/evtchn.h
index 1b27bdb..4a12c8c 100644
--- a/libc/kernel/uapi/xen/evtchn.h
+++ b/libc/kernel/uapi/xen/evtchn.h
@@ -1,21 +1,9 @@
-/****************************************************************************
- ****************************************************************************
- ***
- ***   This header was automatically generated from a Linux kernel header
- ***   of the same name, to make information necessary for userspace to
- ***   call into the kernel available to libc.  It contains only constants,
- ***   structures, and macros generated from the original header, and thus,
- ***   contains no copyrightable information.
- ***
- ***   To edit the content of this header, modify the corresponding
- ***   source file (e.g. under external/kernel-headers/original/) then
- ***   run bionic/libc/kernel/tools/update_all.py
- ***
- ***   Any manual change here will be lost the next time this script will
- ***   be run. You've been warned!
- ***
- ****************************************************************************
- ****************************************************************************/
+/*
+ * This file is auto-generated. Modifications will be lost.
+ *
+ * See https://android.googlesource.com/platform/bionic/+/master/libc/kernel/
+ * for more information.
+ */
 #ifndef __LINUX_PUBLIC_EVTCHN_H__
 #define __LINUX_PUBLIC_EVTCHN_H__
 #define IOCTL_EVTCHN_BIND_VIRQ _IOC(_IOC_NONE, 'E', 0, sizeof(struct ioctl_evtchn_bind_virq))
diff --git a/libc/kernel/uapi/xen/gntalloc.h b/libc/kernel/uapi/xen/gntalloc.h
index d306b22..02e4d47 100644
--- a/libc/kernel/uapi/xen/gntalloc.h
+++ b/libc/kernel/uapi/xen/gntalloc.h
@@ -1,21 +1,9 @@
-/****************************************************************************
- ****************************************************************************
- ***
- ***   This header was automatically generated from a Linux kernel header
- ***   of the same name, to make information necessary for userspace to
- ***   call into the kernel available to libc.  It contains only constants,
- ***   structures, and macros generated from the original header, and thus,
- ***   contains no copyrightable information.
- ***
- ***   To edit the content of this header, modify the corresponding
- ***   source file (e.g. under external/kernel-headers/original/) then
- ***   run bionic/libc/kernel/tools/update_all.py
- ***
- ***   Any manual change here will be lost the next time this script will
- ***   be run. You've been warned!
- ***
- ****************************************************************************
- ****************************************************************************/
+/*
+ * This file is auto-generated. Modifications will be lost.
+ *
+ * See https://android.googlesource.com/platform/bionic/+/master/libc/kernel/
+ * for more information.
+ */
 #ifndef __LINUX_PUBLIC_GNTALLOC_H__
 #define __LINUX_PUBLIC_GNTALLOC_H__
 #include <linux/types.h>
diff --git a/libc/kernel/uapi/xen/gntdev.h b/libc/kernel/uapi/xen/gntdev.h
index eada73c..bda1ad6 100644
--- a/libc/kernel/uapi/xen/gntdev.h
+++ b/libc/kernel/uapi/xen/gntdev.h
@@ -1,21 +1,9 @@
-/****************************************************************************
- ****************************************************************************
- ***
- ***   This header was automatically generated from a Linux kernel header
- ***   of the same name, to make information necessary for userspace to
- ***   call into the kernel available to libc.  It contains only constants,
- ***   structures, and macros generated from the original header, and thus,
- ***   contains no copyrightable information.
- ***
- ***   To edit the content of this header, modify the corresponding
- ***   source file (e.g. under external/kernel-headers/original/) then
- ***   run bionic/libc/kernel/tools/update_all.py
- ***
- ***   Any manual change here will be lost the next time this script will
- ***   be run. You've been warned!
- ***
- ****************************************************************************
- ****************************************************************************/
+/*
+ * This file is auto-generated. Modifications will be lost.
+ *
+ * See https://android.googlesource.com/platform/bionic/+/master/libc/kernel/
+ * for more information.
+ */
 #ifndef __LINUX_PUBLIC_GNTDEV_H__
 #define __LINUX_PUBLIC_GNTDEV_H__
 #include <linux/types.h>
diff --git a/libc/kernel/uapi/xen/privcmd.h b/libc/kernel/uapi/xen/privcmd.h
index c4de85e..eef9f8d 100644
--- a/libc/kernel/uapi/xen/privcmd.h
+++ b/libc/kernel/uapi/xen/privcmd.h
@@ -1,21 +1,9 @@
-/****************************************************************************
- ****************************************************************************
- ***
- ***   This header was automatically generated from a Linux kernel header
- ***   of the same name, to make information necessary for userspace to
- ***   call into the kernel available to libc.  It contains only constants,
- ***   structures, and macros generated from the original header, and thus,
- ***   contains no copyrightable information.
- ***
- ***   To edit the content of this header, modify the corresponding
- ***   source file (e.g. under external/kernel-headers/original/) then
- ***   run bionic/libc/kernel/tools/update_all.py
- ***
- ***   Any manual change here will be lost the next time this script will
- ***   be run. You've been warned!
- ***
- ****************************************************************************
- ****************************************************************************/
+/*
+ * This file is auto-generated. Modifications will be lost.
+ *
+ * See https://android.googlesource.com/platform/bionic/+/master/libc/kernel/
+ * for more information.
+ */
 #ifndef __LINUX_PUBLIC_PRIVCMD_H__
 #define __LINUX_PUBLIC_PRIVCMD_H__
 #include <linux/types.h>