diff --git a/extra/tiff/README b/extra/tiff/README
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-tiff
-________________________________________________________________________________
-
-Libtiff is a library for reading and writing Tagged Image File Format
-(abbreviated TIFF) files. The set also contains command line tools for
-processing TIFFs. It is distributed in source code and can be found as binary
-builds for all kinds of platforms. The libtiff software was originally written
-by Sam Leffler while working for Silicon Graphics. [0]
-
-Upstream: http://www.libtiff.org/
-
-
-[000] Index
-________________________________________________________________________________
-
-* Installation ........................................................... [001]
-* Usage .................................................................. [002]
-* References ............................................................. [003]
-
-
-[001] Installation
-________________________________________________________________________________
-
-+------------------------------------------------------------------------------+
-|                                                                              |
-|  $ kiss b tiff                                                               |
-|                                                                              |
-+------------------------------------------------------------------------------+
-
-
-[002] Usage
-________________________________________________________________________________
-
-+--------------+---------------------------------------------------------------+
-| Tool         | Purpose                                                       |
-+--------------+---------------------------------------------------------------+
-|              |                                                               |
-| fax2ps       | Convert a TIFF facsimile to compressed PostScript(tm).        |
-| fax2tiff     | Create a TIFF Class F fax file from raw fax data.             |
-| pal2rgb      | Convert a palette color TIFF image to a full color image.     |
-| ppm2tiff     | Create a TIFF file from PPM, PGM and PBM image files.         |
-| raw2tiff     | Create a TIFF file from raw data.                             |
-| tiff2bw      | Convert a color TIFF image to greyscale.                      |
-| tiff2pdf     | Convert a TIFF image to a PDF document.                       |
-| tiff2ps      | Convert a TIFF image to PostScript.                           |
-| tiff2rgba    | Convert a TIFF image to RGBA color space.                     |
-| tiffcmp      | Compare two TIFF files.                                       |
-| tiffcp       | Copy (and possibly convert) a TIFF file.                      |
-| tiffcrop     | Select, copy, crop, convert, extract and process TIFF files.  |
-| tiffdither   | Convert a greyscale image to bilevel using dithering.         |
-| tiffdump     | Print verbatim information about TIFF files.                  |
-| tiffinfo     | Print information about TIFF files.                           |
-| tiffmedian   | Apply the mdian cut algorithm to data in a TIFF file.         |
-| tiffset      | Set or unset a field in a TIFF header.                        |
-| tiffsplit    | Split a multi-image TIFF into single-image TIFF files.        |
-|              |                                                               |
-+--------------+---------------------------------------------------------------+
-
-Refer to the manual pages and command help output for more information.
-
-
-[003] References
-________________________________________________________________________________
-
-[0] https://en.wikipedia.org/wiki/Libtiff
-
diff --git a/extra/tiff/build b/extra/tiff/build
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-#!/bin/sh -e
-
-./configure \
-    --prefix=/usr \
-    --enable-cxx \
-    --disable-zstd \
-    --disable-webp \
-    --without-x
-
-make
-make install
-
-# Remove HTML documentation.
-rm -rf "$1/usr/share/doc"
diff --git a/extra/tiff/checksums b/extra/tiff/checksums
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+++ /dev/null
@@ -1 +0,0 @@
-0e46e5acb087ce7d1ac53cf4f56a09b221537fc86dfc5daaad1c2e89e1b37ac8
diff --git a/extra/tiff/depends b/extra/tiff/depends
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-libjpeg-turbo
-xz
-zlib
diff --git a/extra/tiff/sources b/extra/tiff/sources
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-https://download.osgeo.org/libtiff/tiff-VERSION.tar.gz
diff --git a/extra/tiff/version b/extra/tiff/version
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-4.3.0 1