diff --git a/os/debian/rules b/os/debian/rules
deleted file mode 100755
--- a/os/debian/rules
+++ /dev/null
@@ -1,50 +0,0 @@
-#!/usr/bin/make -f
-# -*- makefile -*-
-# Makefile to build the openttd debian package.
-
-# Use debhelper default for all targets (but some are overridden below).
-%:
-	dh --parallel $@
-
-DEB_HOST_GNU_TYPE=$(shell dpkg-architecture -qDEB_HOST_GNU_TYPE)
-DEB_BUILD_GNU_TYPE=$(shell dpkg-architecture -qDEB_BUILD_GNU_TYPE)
-ifneq ($(DEB_HOST_GNU_TYPE),$(DEB_BUILD_GNU_TYPE))
-CROSS= --build $(DEB_BUILD_GNU_TYPE) --host $(DEB_HOST_GNU_TYPE)
-endif
-
-# This prevents linking uselessly to libicudata and silences a warning
-# in the build process.
-DEB_LDFLAGS_MAINT_APPEND="-Wl,-as-needed"
-
-# Enable all hardening options (since openttd offers a network-listening
-# service that handles untrusted data).
-DEB_BUILD_MAINT_OPTIONS=hardening=+all
-
-# Load buildflags (this uses dpkg-buildflags). Note that we don't export
-# them, but instead pass them to ./configure explicitly.
-include /usr/share/dpkg/buildflags.mk
-
-# Pass custom options to configure. Since it's not autoconf but a custom
-# script, some of the option names are slightly different. We also need
-# to be explicit about the dependencies, in case we're not running in a
-# clean build root.
-override_dh_auto_configure:
-	./configure $(CROSS) --prefix-dir=/usr --install-dir=debian/openttd --without-allegro --with-zlib --with-sdl --with-png --with-freetype --with-fontconfig --with-icu-sort --with-liblzo2 --with-lzma --without-xdg-basedir --without-iconv --disable-strip CFLAGS="$(CFLAGS) $(CPPFLAGS)" CXXFLAGS="$(CXXFLAGS) $(CPPFLAGS)" LDFLAGS="$(LDFLAGS)" CFLAGS_BUILD="$(CFLAGS) $(CPPFLAGS)" CXXFLAGS_BUILD="$(CXXFLAGS) $(CPPFLAGS)" LDFLAGS_BUILD="$(LDFLAGS)"
-
-# Do some extra installation
-override_dh_auto_install:
-	$(MAKE) install DO_NOT_INSTALL_CHANGELOG=1 DO_NOT_INSTALL_LICENSE=1
-
-# Don't do testing. Because the OpenTTD Makefile always does dependency
-# generation (even on invalid targets), dh_auto_test thinks there is a
-# "test" target, while there isn't.
-override_dh_auto_test:
-
-# Call mrproper. Again, dh_auto_clean thinks there is a distclean
-# target, while there isn't.
-override_dh_auto_clean:
-	[ ! -f Makefile ] || $(MAKE) mrproper
-
-# We want to strip the debug informatiton into the -dbg package.
-override_dh_strip:
-	dh_strip --dbg-package=openttd-dbg