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diff --git a/ext/tap-mac/tuntap/README.orig b/ext/tap-mac/tuntap/README.orig
deleted file mode 100644
index 6a9e526b..00000000
--- a/ext/tap-mac/tuntap/README.orig
+++ /dev/null
@@ -1,85 +0,0 @@
-
-tun/tap driver for Mac OS X
-===========================
-
-This is an experimental IP tunnel/ethertap driver for Mac OS X/Darwin. It
-provides /dev/tunX and /dev/tapX devices. The maximum number of devices can be
-configured at compile time, it is currently set to 16. That should be enough in
-most cases.
-
-The driver ships as two kernel extensions, one for tap and one for tun. They are
-located in /Library/Extensions and can also be loaded and unloaded by hand. If
-you install the startup item, the system will load them automatically at
-startup (tun and tap startup items get installed in /Library/StartupItems).
-
-Operation & Programming notes
-=============================
-
-tapX are ethertap devices which provide an interface to the kernel's ethernet
-layer. Packets can be read from and written to the /dev/tapX character devices
-one at a time (same name as the interface that shows up in ifconfig). 
-
-tunX are IP tunnel devices. These can be used to exchange IP packets with the
-kernel. You will get single packets for each read() and should write() packets
-one at a time to /dev/tunX.
-
-There are some special ioctls with the tun devices that allow you to have them
-prepend the address family of the packet when reading it from /dev/tunX. Using
-this mode the driver also expects you put this 4-byte address family field
-(network byte order) in front of the packets you write to /dev/tunX.
-
-Here are the ioctls to setup up address prepending mode (for convenience there
-also is a header called tun_ioctls.h in the source package that you can use)
-Set the int argument to one if you want to have AF prepending, use 0 if you want
-to switch it off.
-
-#define TUNSIFHEAD  _IOW('t', 96, int)
-#define TUNGIFHEAD  _IOR('t', 97, int)
-
-Prepending mode is off by default. Currently it is not recommended to switch the
-mode while packets are in flight on the device.
-
-The character devices are always visible in the filesystem as /dev/tunX and
-/dev/tapX. The number of available character devices is a compile time constant
-and is currently fixed to 16. Each character devices is associated with a
-network interface of the same name. The network interfaces are only created when
-the corresponding character device is opened by a program and will be removed
-when the character device is closed.
-
-The character devices currently provide a pretty minimal interface. Whole
-packets are read and written using a singe read/write call. File descriptors
-opened on the devices can also be select()ed and support O_NONBLOCK.
-Asynchronous i/o and some ioctls are currently unimplemented, but implementing
-them shouldn't be very hard. Do it yourself or contact me if you can't live
-without.
-
-There is another limitation imposed by the Darwin 8 kernel. It concerns the
-poll() system call; Darwin currently does *not* support that for (character)
-devices. Use select() instead.
-
-The interfaces can be configured using ifconfig, the tap devices also support
-setting the MAC address to be used. Both tun and tap should be ready for IPv6.
-Just setup addresses and routing as you would do with other interfaces.
-
-Please contact me if you find any bugs or have suggestions.
-
-Enjoy!
-
-Mattias
-<mattias.nissler@gmx.de>
-
-
-Uninstalling
-============
-
-The installer packages for OS X currently don't have support for uninstall as
-the installer doesn't provide it. Remove the following directories if you want
-to completely remove the files installed:
-
-/Library/Extensions/tap.kext
-/Library/Extensions/tun.kext
-/Library/StartupItems/tap
-/Library/StartupItems/tun
-
-Unload the the kernel extensions or reboot and you're done.
-
diff --git a/ext/tap-mac/tuntap/README.zerotier-build b/ext/tap-mac/tuntap/README.zerotier-build
deleted file mode 100644
index 550e0378..00000000
--- a/ext/tap-mac/tuntap/README.zerotier-build
+++ /dev/null
@@ -1,23 +0,0 @@
-Building the tap for both x86_64 and i386 requires an older version of the
-Xcode tools than what now ships for Mavericks (10.9). The newer version
-does not support creating i386 kernel images.
-
-At the moment this is done on an OSX 10.6 virtual image that is used for
-building. (It doesn't have to be done often.) Then the kext is signed on
-the regular build system. That's because images built on newer OSX don't
-seem to load on 10.6 but 10.6 built kexts seem fine on 10.9. Go figure.
-
-Older Xcode can also be found at:
-
-https://developer.apple.com/downloads
-
-It requires a bit of a dance to unpack the package and obtain an unpacked
-tree, but once it's there you can change the line in tap/Makefile and
-build for both architectures.
-
-This will go on until i386 is thoroughly legacy, at which point we'll
-probably start just supporting x86_64. But that might be a while. We want
-to support old Macs through their entire useful life.
-
-Since this build is irritating, a pre-built copy is packaged in ext/ and
-is installed by 'make install'. So users shouldn't have to build this.