diff --git a/releases/specs/sparc/sparc/systemd-stage1-mu.spec b/releases/specs/sparc/sparc/systemd-stage1-mu.spec
deleted file mode 100644
index 0b03d0bd..00000000
--- a/releases/specs/sparc/sparc/systemd-stage1-mu.spec
+++ /dev/null
@@ -1,12 +0,0 @@
-subarch: sparc
-target: stage1
-version_stamp: systemd-mergedusr-@TIMESTAMP@
-rel_type: mergedusr
-profile: default/linux/sparc/17.0/systemd/merged-usr
-snapshot_treeish: @TREEISH@
-source_subpath: mergedusr/stage3-sparc-systemd-mergedusr-latest
-compression_mode: pixz
-update_seed: yes
-update_seed_command: --update --deep --newuse @world
-portage_confdir: @REPO_DIR@/releases/portage/stages
-portage_prefix: releng
diff --git a/releases/specs/sparc/sparc/systemd-stage3-mu.spec b/releases/specs/sparc/sparc/systemd-stage3-mu.spec
deleted file mode 100644
index ee1756c3..00000000
--- a/releases/specs/sparc/sparc/systemd-stage3-mu.spec
+++ /dev/null
@@ -1,11 +0,0 @@
-subarch: sparc
-target: stage3
-version_stamp: systemd-mergedusr-@TIMESTAMP@
-rel_type: mergedusr
-profile: default/linux/sparc/17.0/systemd/merged-usr
-snapshot_treeish: @TREEISH@
-source_subpath: mergedusr/stage1-sparc-systemd-mergedusr-@TIMESTAMP@
-compression_mode: pixz
-portage_confdir: @REPO_DIR@/releases/portage/stages
-portage_prefix: releng
-binrepo_path: sparc/binpackages/17.0/32
diff --git a/releases/specs/sparc/sparc64/systemd-stage1-mu.spec b/releases/specs/sparc/sparc64/systemd-stage1-mu.spec
deleted file mode 100644
index 3b2ae38d..00000000
--- a/releases/specs/sparc/sparc64/systemd-stage1-mu.spec
+++ /dev/null
@@ -1,12 +0,0 @@
-subarch: sparc64
-target: stage1
-version_stamp: systemd-mergedusr-@TIMESTAMP@
-rel_type: mergedusr
-profile: default/linux/sparc/17.0/64ul/systemd/merged-usr
-snapshot_treeish: @TREEISH@
-source_subpath: mergedusr/stage3-sparc64-systemd-mergedusr-latest
-compression_mode: pixz
-update_seed: yes
-update_seed_command: --update --deep --newuse @world
-portage_confdir: @REPO_DIR@/releases/portage/stages
-portage_prefix: releng
diff --git a/releases/specs/sparc/sparc64/systemd-stage3-mu.spec b/releases/specs/sparc/sparc64/systemd-stage3-mu.spec
deleted file mode 100644
index 61234231..00000000
--- a/releases/specs/sparc/sparc64/systemd-stage3-mu.spec
+++ /dev/null
@@ -1,11 +0,0 @@
-subarch: sparc64
-target: stage3
-version_stamp: systemd-mergedusr-@TIMESTAMP@
-rel_type: mergedusr
-profile: default/linux/sparc/17.0/64ul/systemd/merged-usr
-snapshot_treeish: @TREEISH@
-source_subpath: mergedusr/stage1-sparc64-systemd-mergedusr-@TIMESTAMP@
-compression_mode: pixz
-portage_confdir: @REPO_DIR@/releases/portage/stages
-portage_prefix: releng
-binrepo_path: sparc/binpackages/17.0/64