diff --git a/GNUmakefile b/GNUmakefile
index ffe6457df8..3c10e1f7ff 100644
--- a/GNUmakefile
+++ b/GNUmakefile
@@ -1,106 +1,103 @@
 #
-# Copyright 2008-2022 the Pacemaker project contributors
+# Copyright 2008-2023 the Pacemaker project contributors
 #
 # The version control history for this file may have further details.
 #
 # This source code is licensed under the GNU General Public License version 2
 # or later (GPLv2+) WITHOUT ANY WARRANTY.
 #
 
 default: build
 .PHONY: default
 
 # The toplevel "clean" targets are generated from Makefile.am, not this file.
 # We can't use autotools' CLEANFILES, clean-local, etc. here. Instead, we
 # define this target, which Makefile.am can use as a dependency of clean-local.
 EXTRA_CLEAN_TARGETS	= ancillary-clean
 
 -include Makefile
 
 # The main purpose of this GNUmakefile is that its targets can be invoked
 # without having to call autogen.sh and configure first. That means automake
 # variables may or may not be defined. Here, we use the current working
 # directory if a relevant variable hasn't been defined.
 abs_srcdir	?= $(shell pwd)
 
-# Define release-related variables
-include $(abs_srcdir)/mk/release.mk
-
 GLIB_CFLAGS	?= $(pkg-config --cflags glib-2.0)
 
 PACKAGE		?= pacemaker
 
 .PHONY: init
 init:
 	test -e configure && test -e libltdl || ./autogen.sh
 	test -e Makefile || ./configure
 
 .PHONY: build
 build: init
 	$(MAKE) $(AM_MAKEFLAGS) core
 
 ## RPM-related targets (deprecated; use targets in rpm subdirectory instead)
 
 # Pass option depending on whether automake has been run or not
 USE_FILE = $(shell test -e rpm/Makefile || echo "-f Makefile.am")
 
 .PHONY: $(PACKAGE).spec chroot dirty export mock rc release rpm rpmlint srpm
 $(PACKAGE).spec chroot dirty export mock rc release rpm rpmlint srpm:
 	$(MAKE) $(AM_MAKEFLAGS) -C rpm $(USE_FILE) "$@"
 
 .PHONY: mock-% rpm-% spec-% srpm-%
 mock-% rpm-% spec-% srpm-%:
 	$(MAKE) $(AM_MAKEFLAGS) -C rpm $(USE_FILE) "$@"
 
 ## Targets that moved to devel subdirectory
 
 COVLEVEL        ?= low
 
 .PHONY: clang cppcheck indent
 .PHONY: coverity coverity-analyze coverity-clean coverity-corp
 clang coverity coverity-analyze coverity-clean coverity-corp cppcheck indent:
 	@echo 'Deprecated: Use "make -C devel $@" instead'
 	$(MAKE) $(AM_MAKEFLAGS)				\
 		CLANG_checkers=$(CLANG_checkers)	\
 		COVLEVEL=$(COVLEVEL)			\
 		CPPCHECK_ARGS=$(CPPCHECK_ARGS)		\
 		-C devel "$@"
 
 
 ## Coverage/profiling
 
 .PHONY: coverage
 coverage: core
 	-find . -name "*.gcda" -exec rm -f \{\} \;
 	-rm -rf coverage
 	lcov --no-external --exclude='*_test.c' -c -i -d . -o pacemaker_base.info
 	$(MAKE) $(AM_MAKEFLAGS) check
 	lcov --no-external --exclude='*_test.c' -c -d . -o pacemaker_test.info
 	lcov -a pacemaker_base.info -a pacemaker_test.info -o pacemaker_total.info
 	genhtml pacemaker_total.info -o coverage -s
 
 .PHONY: coverage-cts
 coverage-cts: core
 	-find . -name "*.gcda" -exec rm -f \{\} \;
 	-rm -rf coverage
 	lcov --no-external -c -i -d tools -o pacemaker_base.info
 	cts/cts-cli
 	lcov --no-external -c -d tools -o pacemaker_test.info
 	lcov -a pacemaker_base.info -a pacemaker_test.info -o pacemaker_total.info
 	genhtml pacemaker_total.info -o coverage -s
 
 # This target removes all coverage-related files.  It is only to be run when
 # done with coverage analysis and you are ready to go back to normal development,
 # starting with re-running ./configure.  It is not to be run in between
 # "make coverage" runs.
 #
 # In particular, the *.gcno files are generated when the source is built.
 # Removing those files will break "make coverage" until the whole source tree
 # has been built and the *.gcno files generated again.
 .PHONY: coverage-clean
 coverage-clean:
 	-rm -f pacemaker_*.info
 	-rm -rf coverage
 	-find . \( -name "*.gcno" -o -name "*.gcda" \) -exec rm -f \{\} \;
 
 ancillary-clean: coverage-clean