diff --git a/Makefile b/Makefile
index 37dbeb43e98..ac1b5e6ffce 100644
--- a/Makefile
+++ b/Makefile
@@ -41,7 +41,12 @@ LIBSECCOMP_COMMIT := release-2.3
 
 EXTRA_LDFLAGS ?=
 BUILDAH_LDFLAGS := $(GO_LDFLAGS) '-X main.GitCommit=$(GIT_COMMIT) -X main.buildInfo=$(SOURCE_DATE_EPOCH) -X main.cniVersion=$(CNI_COMMIT) $(EXTRA_LDFLAGS)'
-SOURCES=*.go imagebuildah/*.go bind/*.go chroot/*.go copier/*.go define/*.go docker/*.go internal/config/*.go internal/mkcw/*.go internal/mkcw/types/*.go internal/parse/*.go internal/sbom/*.go internal/source/*.go internal/tmpdir/*.go internal/*.go internal/util/*.go internal/volumes/*.go manifests/*.go pkg/binfmt/*.go pkg/blobcache/*.go pkg/chrootuser/*.go pkg/cli/*.go pkg/completion/*.go pkg/formats/*.go pkg/jail/*.go pkg/overlay/*.go pkg/parse/*.go pkg/rusage/*.go pkg/sshagent/*.go pkg/umask/*.go pkg/util/*.go pkg/volumes/*.go util/*.go
+
+# This isn't what we actually build; it's a superset, used for target
+# dependencies. Basically: all *.go and *.c files, except *_test.go,
+# and except anything in a dot subdirectory. If any of these files is
+# newer than our target (bin/buildah), a rebuild is triggered.
+SOURCES=$(shell find . -path './.*' -prune -o \( \( -name '*.go' -o -name '*.c' \) -a ! -name '*_test.go' \) -print)
 
 LINTFLAGS ?=
 
@@ -136,7 +141,6 @@ validate: install.tools
 	./tests/validate/whitespace.sh
 	./hack/xref-helpmsgs-manpages
 	./tests/validate/pr-should-include-tests
-	./hack/makefile_sources
 
 .PHONY: install.tools
 install.tools:
diff --git a/hack/makefile_sources b/hack/makefile_sources
deleted file mode 100755
index 24c506fa3b4..00000000000
--- a/hack/makefile_sources
+++ /dev/null
@@ -1,20 +0,0 @@
-#!/bin/bash
-cd "$(dirname "$(readlink -f "$BASH_SOURCE")")/.."
-discovered=$(mktemp -t discovered_XXXXXX)
-recorded=$(mktemp -t recorded_XXXXXX)
-addlist=$(mktemp -t need_to_add_XXXXXX)
-# SOURCES in the top-level Makefile is more or less the dependencies of our
-# "imagebuildah" package, so look for things that we depend on that aren't
-# listed therein.
-ls -1 $(go list -deps "${@:-./imagebuildah}" | grep ^github.com/containers/buildah | sed -r -e 's,$,/*.go,' -e 's,^github.com/containers/buildah/?,,') | sort -u > "$discovered"
-ls -1 $(grep ^SOURCES Makefile | sed -e 's,.*=,,' ) | sort -u > "$recorded"
-# Filter for things that are missing, since some of the platform-specific
-# packages are going to be dropped on this particular platform, but we still
-# want to list them as dependencies.
-diff "$recorded" "$discovered" | grep '^>' | cut -c 3- | xargs -r dirname > "$addlist"
-if test -s "$addlist"; then
-    echo The \"SOURCES\" definition in the top-level Makefile is missing these patterns:
-    sed -e 's,$,/*.go,' "$addlist"
-    exit 1
-fi
-exit 0