diff --git a/.github/workflows/test-asan.yml b/.github/workflows/test-asan.yml
deleted file mode 100644
index a7c09ef52a041e..00000000000000
--- a/.github/workflows/test-asan.yml
+++ /dev/null
@@ -1,66 +0,0 @@
-name: Test ASan
-
-on:
-  pull_request:
-    types: [opened, synchronize, reopened, ready_for_review]
-    paths-ignore:
-      - .mailmap
-      - '**.md'
-      - AUTHORS
-      - doc/**
-      - .github/**
-      - '!.github/workflows/test-asan.yml'
-  push:
-    branches:
-      - main
-      - canary
-      - v[0-9]+.x-staging
-      - v[0-9]+.x
-    paths-ignore:
-      - .mailmap
-      - '**.md'
-      - AUTHORS
-      - doc/**
-      - .github/**
-      - '!.github/workflows/test-asan.yml'
-
-concurrency:
-  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
-  cancel-in-progress: true
-
-env:
-  ASAN_OPTIONS: intercept_tls_get_addr=0
-  PYTHON_VERSION: '3.12'
-  FLAKY_TESTS: keep_retrying
-
-permissions:
-  contents: read
-
-jobs:
-  test-asan:
-    if: false  # Temporarily disabled. References: https://github.com/nodejs/node/pull/52374, https://github.com/nodejs/node/pull/53651#issuecomment-2198510810
-    runs-on: ubuntu-20.04
-    env:
-      CC: sccache clang
-      CXX: sccache clang++
-      LINK: sccache clang++
-      CONFIG_FLAGS: --enable-asan
-      SCCACHE_GHA_ENABLED: 'true'
-    steps:
-      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683  # v4.2.2
-        with:
-          persist-credentials: false
-      - name: Set up Python ${{ env.PYTHON_VERSION }}
-        uses: actions/setup-python@0b93645e9fea7318ecaed2b359559ac225c90a2b  # v5.3.0
-        with:
-          python-version: ${{ env.PYTHON_VERSION }}
-      - name: Set up sccache
-        uses: mozilla-actions/sccache-action@9e326ebed976843c9932b3aa0e021c6f50310eb4  # v0.0.6
-        with:
-          version: v0.8.1
-      - name: Environment Information
-        run: npx envinfo
-      - name: Build
-        run: make build-ci -j4 V=1
-      - name: Test
-        run: make run-ci -j4 V=1 TEST_CI_ARGS="-p actions -t 300 --measure-flakiness 9"
diff --git a/.github/workflows/test-ubsan.yml b/.github/workflows/test-ubsan.yml
deleted file mode 100644
index ed6317d6b036c1..00000000000000
--- a/.github/workflows/test-ubsan.yml
+++ /dev/null
@@ -1,67 +0,0 @@
-name: Test UBSan
-
-on:
-  pull_request:
-    types: [opened, synchronize, reopened, ready_for_review]
-    paths-ignore:
-      - .mailmap
-      - '**.md'
-      - AUTHORS
-      - doc/**
-      - .github/**
-      - '!.github/workflows/test-ubsan.yml'
-  push:
-    branches:
-      - main
-      - canary
-      - v[0-9]+.x-staging
-      - v[0-9]+.x
-    paths-ignore:
-      - .mailmap
-      - '**.md'
-      - AUTHORS
-      - doc/**
-      - .github/**
-      - '!.github/workflows/test-ubsan.yml'
-
-concurrency:
-  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
-  cancel-in-progress: true
-
-env:
-  PYTHON_VERSION: '3.12'
-  FLAKY_TESTS: keep_retrying
-
-permissions:
-  contents: read
-
-jobs:
-  test-ubsan:
-    if: false  # Temporary disabled. Reference: https://github.com/nodejs/node/pull/52293#issuecomment-2059270585
-    runs-on: ubuntu-latest
-    env:
-      CC: sccache gcc
-      CXX: sccache g++
-      LINK: sccache g++
-      CONFIG_FLAGS: --enable-ubsan
-    steps:
-      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683  # v4.2.2
-        with:
-          persist-credentials: false
-      - name: Store suppressions path
-        run: |
-          echo "UBSAN_OPTIONS=suppressions=$GITHUB_WORKSPACE/suppressions.supp" >> $GITHUB_ENV
-      - name: Set up Python ${{ env.PYTHON_VERSION }}
-        uses: actions/setup-python@0b93645e9fea7318ecaed2b359559ac225c90a2b  # v5.3.0
-        with:
-          python-version: ${{ env.PYTHON_VERSION }}
-      - name: Set up sccache
-        uses: mozilla-actions/sccache-action@9e326ebed976843c9932b3aa0e021c6f50310eb4  # v0.0.6
-        with:
-          version: v0.8.1
-      - name: Environment Information
-        run: npx envinfo
-      - name: Build
-        run: make build-ci -j2 V=1
-      - name: Test
-        run: make run-ci -j2 V=1 TEST_CI_ARGS="-p actions -t 300 --measure-flakiness 9"