diff --git a/builder/Makefile b/builder/Makefile
index 2bf2bc5..74615ca 100644
--- a/builder/Makefile
+++ b/builder/Makefile
@@ -106,5 +106,5 @@ $(foreach artifact_rule,$(shell ./make_get_artifact_rules),$(eval $(call artifac
 	ln -f -s -r '$<' '.build/$*'
 
 # prevents match anything rule from applying to Makefile and image/convert scripts
-Makefile image image.release image.manifest image.sbom image.sourcemanifest image.requirements $(shell find features -name 'convert.*' -o -name image -o -name 'image.*'):
+Makefile image image.release image.manifest image.sbom image.requirements $(shell find features -name 'convert.*' -o -name image -o -name 'image.*'):
 	true
diff --git a/builder/image.sourcemanifest b/builder/image.sourcemanifest
deleted file mode 100755
index b59cb04..0000000
--- a/builder/image.sourcemanifest
+++ /dev/null
@@ -1,17 +0,0 @@
-#!/usr/bin/env bash
-
-set -eufo pipefail
-
-chroot_dir="$(mktemp -d)"
-mount -t tmpfs tmpfs "$chroot_dir"
-tar --extract --xattrs --xattrs-include '*' --directory "$chroot_dir" < "$1"
-
-mount --rbind --make-rslave /proc "$chroot_dir/proc"
-
-#shellcheck disable=SC2016
-chroot "$chroot_dir" dpkg-query --show --showformat='${source:Package}\n' | sort | uniq > "$2"
-
-umount -l "$chroot_dir/proc"
-
-umount "$chroot_dir"
-rmdir "$chroot_dir"
diff --git a/builder/make_get_artifact_rules b/builder/make_get_artifact_rules
index 43c29cd..9daecdb 100755
--- a/builder/make_get_artifact_rules
+++ b/builder/make_get_artifact_rules
@@ -3,7 +3,7 @@
 set -euo pipefail
 shopt -s nullglob
 
-extensions=(release manifest sbom sourcemanifest requirements raw)
+extensions=(release manifest sbom requirements raw)
 
 for feature in "features/"*; do
 	for i in "$feature/"{image,convert}.*; do
diff --git a/builder/make_list_build_artifacts b/builder/make_list_build_artifacts
index fd44719..12f0d1e 100755
--- a/builder/make_list_build_artifacts
+++ b/builder/make_list_build_artifacts
@@ -7,7 +7,7 @@ cname="$1"
 
 IFS=',' read -r -a features < <(./parse_features --allow-frankenstein --feature-dir features --cname "$cname" features)
 
-artifacts=(".build/$cname-$COMMIT.tar" ".build/$cname-$COMMIT.release" ".build/$cname-$COMMIT.manifest" ".build/$cname-$COMMIT.sbom" ".build/$cname-$COMMIT.sourcemanifest" ".build/$cname-$COMMIT.requirements")
+artifacts=(".build/$cname-$COMMIT.tar" ".build/$cname-$COMMIT.release" ".build/$cname-$COMMIT.manifest" ".build/$cname-$COMMIT.sbom" ".build/$cname-$COMMIT.requirements")
 
 for feature in "${features[@]}"; do
 	for i in "features/$feature/"{image,convert}.*; do
@@ -18,7 +18,7 @@ for feature in "${features[@]}"; do
 	done
 done
 
-if [ "${#artifacts[@]}" = 6 ] && [ -n "$(./parse_features --allow-frankenstein --feature-dir "features" --cname "$cname" platforms)" ]; then
+if [ "${#artifacts[@]}" = 5 ] && [ -n "$(./parse_features --allow-frankenstein --feature-dir "features" --cname "$cname" platforms)" ]; then
 	artifacts+=(".build/$cname-$COMMIT.raw")
 fi