diff --git a/product-source/hololake-platform/guanghu-os/scripts/set-jd-native-default.sh b/product-source/hololake-platform/guanghu-os/scripts/set-jd-native-default.sh
deleted file mode 100755
index f4eda9cca..000000000
--- a/product-source/hololake-platform/guanghu-os/scripts/set-jd-native-default.sh
+++ /dev/null
@@ -1,89 +0,0 @@
-#!/usr/bin/env bash
-set -euo pipefail
-
-[[ $# -eq 3 ]] || {
-  echo "usage: set-jd-native-default.sh <world-root> <recovery-root> <expected-candidate-sha256>" >&2
-  exit 64
-}
-[[ ${EUID} -eq 0 ]] || exit 77
-
-world_root=$(readlink -f "$1")
-recovery_root=$(readlink -f "$2")
-expected_candidate_sha=$3
-[[ ${expected_candidate_sha} =~ ^[0-9a-f]{64}$ ]]
-
-grep -q '^node_id: JD-FD-PRIMARY$' "${world_root}/CURRENT.hldp"
-grep -q '^status: PASS_100$' "${recovery_root}/RETURN-RECEIPT.hldp"
-/guanghu/bin/ghctl authorize "${world_root}" \
-  overwrite_system_disk_and_exit_linux >/dev/null
-grep -q "menuentry 'Guanghu OS JD native one-time resident'.*'guanghu-jd-native-once'" \
-  /boot/grub/grub.cfg
-grep -q "menuentry 'Ubuntu'.*'gnulinux-simple-9e4550a0-452b-4f28-b5a5-d5364aa450f6'" \
-  /boot/grub/grub.cfg
-grep -q "load_env --file '(hd0)139+2' guanghu_recovery" \
-  /boot/grub/grub.cfg
-
-installed_sha=$(dd if=/dev/vda bs=512 skip=105 count=29 status=none |
-  sha256sum | awk '{print $1}')
-[[ ${installed_sha} == "${expected_candidate_sha}" ]]
-
-cp /etc/default/grub "${recovery_root}/default-grub.before-native-default"
-cp /boot/grub/grub.cfg "${recovery_root}/grub.cfg.before-native-default"
-cp /boot/grub/grubenv "${recovery_root}/grubenv.before-native-default"
-cat /proc/sys/kernel/random/boot_id \
-  >"${recovery_root}/linux-boot-id.before-native-default"
-
-new_default=$(mktemp)
-trap 'rm -f "${new_default}"' EXIT
-awk '
-  BEGIN { changed = 0 }
-  /^GRUB_DEFAULT=/ {
-    print "GRUB_DEFAULT=guanghu-jd-native-once"
-    changed = 1
-    next
-  }
-  { print }
-  END {
-    if (!changed) {
-      print "GRUB_DEFAULT=guanghu-jd-native-once"
-    }
-  }
-' /etc/default/grub >"${new_default}"
-install -m 0644 "${new_default}" /etc/default/grub
-update-grub >/dev/null
-
-grep -q '^GRUB_DEFAULT=guanghu-jd-native-once$' /etc/default/grub
-grep -q 'set default="guanghu-jd-native-once"' /boot/grub/grub.cfg
-grep -q "load_env --file '(hd0)139+2' guanghu_recovery" \
-  /boot/grub/grub.cfg
-grub-editenv /boot/grub/grubenv unset initrdfail prev_entry next_entry
-! grub-editenv /boot/grub/grubenv list |
-  grep -Eq '^(initrdfail|prev_entry|next_entry)=.+$'
-
-observed_at=$(date --iso-8601=seconds)
-cat >"${recovery_root}/NATIVE-DEFAULT-RECEIPT.hldp" <<EOF
-schema: guanghu.jd-native-default-receipt/v1
-receipt_id: GH-OS-JD-FD-PRIMARY-001-NATIVE-DEFAULT
-status: CONFIGURED_NOT_REBOOTED
-observed_at: ${observed_at}
-node_id: JD-FD-PRIMARY
-candidate:
-  lba_start: 105
-  sector_count: 29
-  sha256: ${installed_sha}
-grub:
-  default_entry: guanghu-jd-native-once
-  hosted_recovery_entry: gnulinux-simple-9e4550a0-452b-4f28-b5a5-d5364aa450f6
-  native_recovery_protocol: GHNRP
-  native_recovery_raw_blocklist: (hd0)139+2
-  stale_one_time_state: CLEARED
-rollback:
-  recovery_root: ${recovery_root}
-  default_grub_backed_up: true
-  generated_grub_backed_up: true
-  grubenv_backed_up: true
-next_action: REBOOT_NATIVE_DEFAULT_THEN_PROVE_GHNRP_RETURNS_TO_HOSTED_RECOVERY
-EOF
-chmod 0400 "${recovery_root}"/*
-sync
-cat "${recovery_root}/NATIVE-DEFAULT-RECEIPT.hldp"
diff --git a/product-source/hololake-platform/guanghu-os/scripts/verify-jd-native-default-return.sh b/product-source/hololake-platform/guanghu-os/scripts/verify-jd-native-default-return.sh
deleted file mode 100755
index bae4a590b..000000000
--- a/product-source/hololake-platform/guanghu-os/scripts/verify-jd-native-default-return.sh
+++ /dev/null
@@ -1,75 +0,0 @@
-#!/usr/bin/env bash
-set -euo pipefail
-
-[[ $# -eq 2 ]] || {
-  echo "usage: verify-jd-native-default-return.sh <world-root> <recovery-root>" >&2
-  exit 64
-}
-[[ ${EUID} -eq 0 ]] || exit 77
-
-world_root=$(readlink -f "$1")
-recovery_root=$(readlink -f "$2")
-grep -q '^node_id: JD-FD-PRIMARY$' "${world_root}/CURRENT.hldp"
-grep -q '^status: CONFIGURED_NOT_REBOOTED$' \
-  "${recovery_root}/NATIVE-DEFAULT-RECEIPT.hldp"
-/guanghu/bin/ghctl authorize "${world_root}" \
-  run_tests_and_health_checks >/dev/null
-
-before_boot_id=$(<"${recovery_root}/linux-boot-id.before-native-default")
-after_boot_id=$(</proc/sys/kernel/random/boot_id)
-[[ ${before_boot_id} != "${after_boot_id}" ]]
-grep -q '^GRUB_DEFAULT=guanghu-jd-native-once$' /etc/default/grub
-! grub-editenv /boot/grub/grubenv list | grep -Eq '^next_entry=.+$'
-
-dd if=/dev/vda of="${recovery_root}/lba134.native-default-proof.bin" \
-  bs=512 skip=134 count=1 status=none
-dd if=/dev/vda of="${recovery_root}/lba139-140.native-default-beacon.bin" \
-  bs=512 skip=139 count=2 status=none
-python3 - "${recovery_root}/lba134.native-default-proof.bin" <<'PY'
-import pathlib
-import sys
-
-proof = pathlib.Path(sys.argv[1]).read_bytes()
-assert proof[0] == 0xA7
-assert proof[1:].startswith(b"GHOS_NATIVE_LONG64_DISK_PROOF\x00")
-assert proof[32:36] == bytes([1, 1, 1, 1])
-assert proof[42:44] == bytes([0x7F, 0])
-assert proof[90] == 13
-assert proof[91:105] == bytes([1] * 14)
-assert proof[105] == 16
-PY
-cmp "${recovery_root}/lba139-140.native-default-beacon.bin" \
-  /usr/lib/guanghu-os/jd-recovery-clear.env
-systemctl is-enabled --quiet guanghu-jd-native-recovery-clear.service
-
-observed_at=$(date --iso-8601=seconds)
-proof_sha=$(sha256sum \
-  "${recovery_root}/lba134.native-default-proof.bin" | awk '{print $1}')
-cat >"${recovery_root}/NATIVE-DEFAULT-RETURN-RECEIPT.hldp" <<EOF
-schema: guanghu.jd-native-default-return/v1
-receipt_id: GH-OS-JD-FD-PRIMARY-001-NATIVE-DEFAULT-RETURN
-status: PASS_100
-observed_at: ${observed_at}
-node_id: JD-FD-PRIMARY
-boot:
-  native_is_default: true
-  hosted_recovery_returned: true
-  linux_boot_id_before: ${before_boot_id}
-  linux_boot_id_after: ${after_boot_id}
-native:
-  proof_sha256: ${proof_sha}
-  acknowledged_sequences: 1-16
-  world_store: PASS_100
-  gestational_index: PASS_100
-recovery:
-  protocol: GHNRP
-  beacon_consumed_and_cleared: PASS_100
-boundary:
-  native_default_proven: true
-  final_native_residency_proven: false
-next_action: BUILD_AND_VERIFY_NON_RECOVERING_NATIVE_RESIDENCY_RUNTIME
-EOF
-chmod 0400 "${recovery_root}"/*
-dd if=/dev/zero of=/dev/vda bs=512 seek=134 count=1 \
-  conv=notrunc,fsync status=none
-cat "${recovery_root}/NATIVE-DEFAULT-RETURN-RECEIPT.hldp"