diff --git a/test/e2e-scenario/framework-tests/e2e-lib-helpers.test.ts b/test/e2e-scenario/framework-tests/e2e-lib-helpers.test.ts
index e68eaff830..83d8ef741e 100644
--- a/test/e2e-scenario/framework-tests/e2e-lib-helpers.test.ts
+++ b/test/e2e-scenario/framework-tests/e2e-lib-helpers.test.ts
@@ -375,37 +375,6 @@ exit 0
     expect(r.stdout).toContain("DEBIAN_FRONTEND=noninteractive");
   });
 
-  it("artifact_helper_should_collect_known_logs_without_failing_when_missing", () => {
-    const tmp = fs.mkdtempSync(path.join(os.tmpdir(), "e2e-art-"));
-    const srcDir = path.join(tmp, "src");
-    const dstDir = path.join(tmp, "out");
-    fs.mkdirSync(srcDir);
-    fs.writeFileSync(path.join(srcDir, "present.log"), "hello\n");
-    const r = runBash(`
-      set -euo pipefail
-      . "${RUNTIME_LIB}/artifacts.sh"
-      e2e_artifact_collect_file "${srcDir}/present.log" "${dstDir}/present.log"
-      e2e_artifact_collect_file "${srcDir}/missing.log" "${dstDir}/missing.log" || true
-      ls "${dstDir}"
-    `);
-    expect(r.status, r.stderr).toBe(0);
-    expect(fs.existsSync(path.join(dstDir, "present.log"))).toBe(true);
-    expect(fs.existsSync(path.join(dstDir, "missing.log"))).toBe(false);
-    expect(r.stderr + r.stdout).toMatch(/missing\.log|not found|skipping/i);
-    fs.rmSync(tmp, { recursive: true, force: true });
-  });
-
-  it("gateway_helper_should_report_unhealthy_gateway_clearly", () => {
-    // Pick a port very unlikely to be bound.
-    const r = runBash(`
-      set -euo pipefail
-      . "${RUNTIME_LIB}/gateway.sh"
-      e2e_gateway_assert_healthy "http://127.0.0.1:65531"
-    `);
-    expect(r.status).not.toBe(0);
-    expect(r.stderr).toMatch(/65531|gateway|unhealthy/i);
-  });
-
   it("sandbox_helper_should_fail_for_missing_sandbox_name", () => {
     const tmp = fs.mkdtempSync(path.join(os.tmpdir(), "e2e-sb-"));
     try {
@@ -846,16 +815,13 @@ describe("Phase 1.C fixtures", () => {
   });
 
   it("older_base_image_should_emit_dockerfile_pointing_at_tagged_base", () => {
-    const r = runBash(
-      `
+    const r = runBash(`
       set -euo pipefail
       . "${FIXTURES}/older-base-image.sh"
       df="$(older_base_image_prepare v0.0.1-test)"
       echo "DF=$df"
       head -n1 "$df"
-    `,
-      { E2E_DRY_RUN: "1" },
-    );
+    `);
     expect(r.status, r.stderr).toBe(0);
     expect(r.stdout).toMatch(/^FROM .*:v0\.0\.1-test/m);
   });
diff --git a/test/e2e-scenario/nemoclaw_scenarios/probes/sandbox-absent.sh b/test/e2e-scenario/nemoclaw_scenarios/probes/sandbox-absent.sh
index 5f08e39df0..dae814f8ee 100755
--- a/test/e2e-scenario/nemoclaw_scenarios/probes/sandbox-absent.sh
+++ b/test/e2e-scenario/nemoclaw_scenarios/probes/sandbox-absent.sh
@@ -6,9 +6,7 @@
 #
 # Negative-state probe. Asserts that no sandbox was created by a
 # scenario whose expected_state declares sandbox.expected=absent
-# (preflight failure, onboarding failures). Typed replacement for
-# the legacy run-scenario.sh inline check
-# `openshell sandbox list | grep -Fq "${sandbox_name}"`.
+# (preflight failure, onboarding failures).
 
 set -euo pipefail
 
diff --git a/test/e2e-scenario/runtime/lib/artifacts.sh b/test/e2e-scenario/runtime/lib/artifacts.sh
deleted file mode 100755
index 761e618d0a..0000000000
--- a/test/e2e-scenario/runtime/lib/artifacts.sh
+++ /dev/null
@@ -1,50 +0,0 @@
-#!/usr/bin/env bash
-# SPDX-FileCopyrightText: Copyright (c) 2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
-# SPDX-License-Identifier: Apache-2.0
-#
-# Artifact collection helpers. Designed to be called from failure traps.
-# All helpers are best-effort: missing sources are logged but do not abort.
-
-_E2E_ART_LIB_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
-
-# e2e_artifact_collect_file <src> <dst>
-# Copies a single file. Returns 0 on success or when src is missing.
-e2e_artifact_collect_file() {
-  local src="${1:-}"
-  local dst="${2:-}"
-  if [[ -z "${src}" || -z "${dst}" ]]; then
-    echo "e2e_artifact_collect_file: missing src or dst" >&2
-    return 2
-  fi
-  if [[ ! -f "${src}" ]]; then
-    echo "e2e_artifact_collect_file: ${src} not found, skipping" >&2
-    return 0
-  fi
-  mkdir -p "$(dirname "${dst}")"
-  cp -f "${src}" "${dst}"
-}
-
-# e2e_artifact_collect_dir <src-dir> <dst-dir>
-# Recursively copies a directory. No-op if missing.
-e2e_artifact_collect_dir() {
-  local src="${1:-}"
-  local dst="${2:-}"
-  if [[ ! -d "${src}" ]]; then
-    echo "e2e_artifact_collect_dir: ${src} not found, skipping" >&2
-    return 0
-  fi
-  mkdir -p "${dst}"
-  cp -rf "${src}/." "${dst}/"
-}
-
-# e2e_artifact_preserve_exit <original_exit>
-# Intended for failure traps. Collects artifacts (caller-defined function
-# `_e2e_collect_artifacts` if present) but always returns the provided exit
-# code so it can be passed to `exit`.
-e2e_artifact_preserve_exit() {
-  local rc="${1:-1}"
-  if declare -F _e2e_collect_artifacts >/dev/null 2>&1; then
-    _e2e_collect_artifacts || true
-  fi
-  return "${rc}"
-}
diff --git a/test/e2e-scenario/runtime/lib/cleanup.sh b/test/e2e-scenario/runtime/lib/cleanup.sh
deleted file mode 100755
index 8581e3c9e0..0000000000
--- a/test/e2e-scenario/runtime/lib/cleanup.sh
+++ /dev/null
@@ -1,29 +0,0 @@
-#!/usr/bin/env bash
-# SPDX-FileCopyrightText: Copyright (c) 2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
-# SPDX-License-Identifier: Apache-2.0
-#
-# Cleanup helpers. Wraps the existing sandbox-teardown.sh so scenario code
-# gets a single, discoverable entrypoint.
-
-_E2E_CLEAN_LIB_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
-
-# shellcheck source=sandbox-teardown.sh
-. "${_E2E_CLEAN_LIB_DIR}/sandbox-teardown.sh"
-# shellcheck source=context.sh
-. "${_E2E_CLEAN_LIB_DIR}/context.sh"
-# shellcheck source=env.sh
-. "${_E2E_CLEAN_LIB_DIR}/env.sh"
-
-# e2e_cleanup_register_sandbox [name]
-# Default to E2E_SANDBOX_NAME from context.
-e2e_cleanup_register_sandbox() {
-  local name="${1:-}"
-  if [[ -z "${name}" ]]; then
-    name="$(e2e_context_get E2E_SANDBOX_NAME)"
-  fi
-  if [[ -z "${name}" ]]; then
-    echo "e2e_cleanup_register_sandbox: no sandbox name to register" >&2
-    return 0
-  fi
-  register_sandbox_for_teardown "${name}"
-}
diff --git a/test/e2e-scenario/runtime/lib/negative.sh b/test/e2e-scenario/runtime/lib/negative.sh
deleted file mode 100755
index 95de65808d..0000000000
--- a/test/e2e-scenario/runtime/lib/negative.sh
+++ /dev/null
@@ -1,34 +0,0 @@
-#!/usr/bin/env bash
-# SPDX-FileCopyrightText: Copyright (c) 2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
-# SPDX-License-Identifier: Apache-2.0
-
-# Helpers for expected-failure E2E flows.
-
-e2e_negative_output_has_stack_trace() {
-  local output="$1"
-  printf '%s\n' "${output}" | grep -Eq '(^|[[:space:]])(TypeError|ReferenceError|SyntaxError):|^[[:space:]]+at '
-}
-
-e2e_negative_assert_failure() {
-  local log_file="$1"
-  local actual_exit="$2"
-  local expected_exit="$3"
-  local message_contains="$4"
-  local no_stack_trace="${5:-0}"
-
-  if [[ "${actual_exit}" -ne "${expected_exit}" ]]; then
-    echo "expected failure exit ${expected_exit}, got ${actual_exit}" >&2
-    cat "${log_file}" >&2
-    return 1
-  fi
-  if [[ -n "${message_contains}" ]] && ! grep -Fq "${message_contains}" "${log_file}"; then
-    echo "expected failure output to contain: ${message_contains}" >&2
-    cat "${log_file}" >&2
-    return 1
-  fi
-  if [[ "${no_stack_trace}" == "1" ]] && e2e_negative_output_has_stack_trace "$(cat "${log_file}")"; then
-    echo "expected failure output not to contain a JavaScript stack trace" >&2
-    cat "${log_file}" >&2
-    return 1
-  fi
-}
diff --git a/test/e2e-scenario/runtime/lib/port-holder.sh b/test/e2e-scenario/runtime/lib/port-holder.sh
deleted file mode 100755
index cbffcd275a..0000000000
--- a/test/e2e-scenario/runtime/lib/port-holder.sh
+++ /dev/null
@@ -1,54 +0,0 @@
-#!/usr/bin/env bash
-# SPDX-FileCopyrightText: Copyright (c) 2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
-# SPDX-License-Identifier: Apache-2.0
-
-# Local TCP listener helper for deterministic gateway port-conflict tests.
-
-E2E_PORT_HOLDER_PID="${E2E_PORT_HOLDER_PID:-}"
-
-e2e_port_holder_start() {
-  local port="$1"
-  if [[ -n "${E2E_PORT_HOLDER_PID}" ]]; then
-    e2e_port_holder_stop
-  fi
-  E2E_PORT_HOLDER_PID=""
-  node - "${port}" <<'NODE' >/tmp/nemoclaw-e2e-port-holder.log 2>&1 &
-const net = require("node:net");
-const port = Number(process.argv[2]);
-const server = net.createServer((socket) => socket.end());
-server.on("error", (err) => {
-  console.error(err && err.message ? err.message : err);
-  process.exit(2);
-});
-server.listen(port, "127.0.0.1", () => {
-  console.log("ready");
-});
-setInterval(() => {}, 1000);
-NODE
-  E2E_PORT_HOLDER_PID=$!
-  local _i
-  for _i in $(seq 1 40); do
-    if node -e 'const net=require("node:net"); const port=Number(process.argv[1]); const s=net.connect(port,"127.0.0.1"); s.once("connect",()=>{s.destroy(); process.exit(0);}); s.once("error",()=>process.exit(1)); setTimeout(()=>process.exit(1),250);' "${port}" >/dev/null 2>&1; then
-      return 0
-    fi
-    if ! kill -0 "${E2E_PORT_HOLDER_PID}" >/dev/null 2>&1; then
-      E2E_PORT_HOLDER_PID=""
-      return 1
-    fi
-    sleep 0.25
-  done
-  if [[ -n "${E2E_PORT_HOLDER_PID}" ]]; then
-    kill "${E2E_PORT_HOLDER_PID}" >/dev/null 2>&1 || true
-    wait "${E2E_PORT_HOLDER_PID}" >/dev/null 2>&1 || true
-    E2E_PORT_HOLDER_PID=""
-  fi
-  return 1
-}
-
-e2e_port_holder_stop() {
-  if [[ -n "${E2E_PORT_HOLDER_PID}" ]]; then
-    kill "${E2E_PORT_HOLDER_PID}" >/dev/null 2>&1 || true
-    wait "${E2E_PORT_HOLDER_PID}" >/dev/null 2>&1 || true
-    E2E_PORT_HOLDER_PID=""
-  fi
-}
diff --git a/test/e2e-scenario/runtime/run-scenario.sh b/test/e2e-scenario/runtime/run-scenario.sh
deleted file mode 100755
index 2477ce79ec..0000000000
--- a/test/e2e-scenario/runtime/run-scenario.sh
+++ /dev/null
@@ -1,25 +0,0 @@
-#!/usr/bin/env bash
-# SPDX-FileCopyrightText: Copyright (c) 2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
-# SPDX-License-Identifier: Apache-2.0
-#
-# DEPRECATED. The hybrid scenario architecture has a single supported runtime
-# entrypoint: test/e2e-scenario/scenarios/run.ts. This bash runner duplicated
-# install/onboard/gateway-check/suite-execution that now belongs in TS phase
-# orchestrators (EnvironmentOrchestrator, OnboardingOrchestrator,
-# RuntimeOrchestrator) and shared clients (HostCliClient, GatewayClient,
-# SandboxClient). It is fail-fast so the deprecation is loud, not silent.
-
-set -euo pipefail
-
-cat >&2 <<'MSG'
-run-scenario.sh is deprecated. Use the TS runner instead:
-
-  npx tsx test/e2e-scenario/scenarios/run.ts --scenarios <id[,id...]>
-
-Other run.ts modes (read-only):
-  --list                List canonical scenario ids
-  --emit-matrix         Emit GitHub Actions matrix payload from the registry
-  --plan-only           Local debug: print the compiled plan, do not execute
-                        (must NOT appear in any CI workflow)
-MSG
-exit 2
diff --git a/test/e2e-scenario/runtime/run-suites.sh b/test/e2e-scenario/runtime/run-suites.sh
deleted file mode 100755
index dac69cd422..0000000000
--- a/test/e2e-scenario/runtime/run-suites.sh
+++ /dev/null
@@ -1,21 +0,0 @@
-#!/usr/bin/env bash
-# SPDX-FileCopyrightText: Copyright (c) 2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
-# SPDX-License-Identifier: Apache-2.0
-#
-# DEPRECATED. Suite execution is now driven directly by the TS phase
-# orchestrator (RuntimeOrchestrator -> PhaseOrchestrator.runShellStep) which
-# spawns each migrated assertion step's implementation.ref shell script.
-# There is no longer a YAML-walking bash suite runner.
-
-set -euo pipefail
-
-cat >&2 <<'MSG'
-run-suites.sh is deprecated. Suite assertions are now executed by
-test/e2e-scenario/scenarios/orchestrators/phase.ts via child_process.spawn,
-walking the typed assertionGroups defined in the scenario registry.
-
-Run scenarios via:
-
-  npx tsx test/e2e-scenario/scenarios/run.ts --scenarios <id[,id...]>
-MSG
-exit 2