diff --git a/.github/codecov.yml b/.github/codecov.yml
deleted file mode 100644
index 8580424c5..000000000
--- a/.github/codecov.yml
+++ /dev/null
@@ -1,84 +0,0 @@
-# Check out Codecov at: https://codecov.io/
-
-coverage:
-  precision: 2
-  round: down
-  range: 80...100
-  status:
-    project:
-      default:
-        target: 95%
-        flags:
-          - e2e-MacOS
-          - e2e-Ubuntu
-          - e2e-Windows
-          - integration-MacOS
-          - integration-Ubuntu
-          - integration-Windows
-      relaxed:
-        target: 10%
-        flags:
-          - breakage
-          - compatibility
-      strict:
-        target: 100%
-        flags:
-          - unit
-
-comment:
-  layout: diff, flags, files
-  behavior: default # update, if exists. Otherwise post new.
-  require_changes: true # only post the comment if coverage changes
-  require_base: no
-  require_head: yes
-
-flags:
-  breakage:
-    carryforward: true
-    paths:
-      - src/
-  compatibility:
-    carryforward: true
-    paths:
-      - src/
-  e2e-MacOS:
-    carryforward: true
-    paths:
-      - src/
-    ignore:
-      - src/modules/stateless.js
-      - src/modules/testing.js
-  e2e-Ubuntu:
-    carryforward: true
-    paths:
-      - src/
-    ignore:
-      - src/modules/stateless.js
-      - src/modules/testing.js
-  e2e-Windows:
-    carryforward: true
-    paths:
-      - src/
-    ignore:
-      - src/modules/stateless.js
-      - src/modules/testing.js
-  integration-MacOS:
-    carryforward: true
-    paths:
-      - src/
-  integration-Ubuntu:
-    carryforward: true
-    paths:
-      - src/
-  integration-Windows:
-    carryforward: true
-    paths:
-      - src/
-  unit:
-    carryforward: true
-    paths:
-      - src/internal/
-
-ignore:
-  - script/**/*
-  - test/**/*
diff --git a/.github/labeler.yml b/.github/labeler.yml
index bcf9681a6..c836e4f6a 100644
--- a/.github/labeler.yml
+++ b/.github/labeler.yml
@@ -4,7 +4,6 @@ ci/cd:
   - changed-files:
       - any-glob-to-any-file:
           - .github/workflows/*
-          - .github/codecov.yml
           - .github/dependabot.yml
           - .github/labeler.yml
 
diff --git a/.github/workflows/checks.yml b/.github/workflows/checks.yml
index 20ed0d494..9088dc3b8 100644
--- a/.github/workflows/checks.yml
+++ b/.github/workflows/checks.yml
@@ -230,18 +230,13 @@ jobs:
           egress-policy: block
           allowed-endpoints: >
             actions-results-receiver-production.githubapp.com:443
-            api.codecov.io:443
             api.github.com:443
             artifactcache.actions.githubusercontent.com:443
-            cli.codecov.io:443
-            codecov.io:443
             github.com:443
             gitlab.com:443
             nodejs.org:443
             objects.githubusercontent.com:443
             registry.npmjs.org:443
-            storage.googleapis.com:443
-            uploader.codecov.io:443
       - name: Checkout repository
         uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b # v4.1.4
       - name: Install Node.js
@@ -253,14 +248,6 @@ jobs:
         run: npm clean-install
       - name: Run breakage tests
         run: npm run coverage:breakage
-      - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@5ecb98a3c6b747ed38dc09f787459979aebb39be # v4.3.1
-        if: ${{ failure() || success() }}
-        env:
-          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
-        with:
-          file: ./_reports/coverage/breakage/lcov.info
-          flags: breakage
   test-compatibility:
     name: Compatibility
     runs-on: ubuntu-22.04
@@ -284,18 +271,13 @@ jobs:
           egress-policy: block
           allowed-endpoints: >
             actions-results-receiver-production.githubapp.com:443
-            api.codecov.io:443
             api.github.com:443
             artifactcache.actions.githubusercontent.com:443
-            cli.codecov.io:443
-            codecov.io:443
             github.com:443
             gitlab.com:443
             nodejs.org:443
             objects.githubusercontent.com:443
             registry.npmjs.org:443
-            storage.googleapis.com:443
-            uploader.codecov.io:443
       - name: Checkout repository
         uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b # v4.1.4
       - name: Install Node.js
@@ -309,14 +291,6 @@ jobs:
         run: npm clean-install
       - name: Run compatibility tests
         run: npm run coverage:compat
-      - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@5ecb98a3c6b747ed38dc09f787459979aebb39be # v4.3.1
-        if: ${{ matrix.node-version == '22.0.0' }}
-        env:
-          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
-        with:
-          file: ./_reports/coverage/compat/lcov.info
-          flags: compatibility
   test-e2e:
     name: End-to-end (${{ matrix.name }})
     runs-on: ${{ matrix.os }}
@@ -340,19 +314,14 @@ jobs:
           egress-policy: block
           allowed-endpoints: >
             actions-results-receiver-production.githubapp.com:443
-            api.codecov.io:443
             api.github.com:443
             artifactcache.actions.githubusercontent.com:443
             azure.archive.ubuntu.com:80
-            cli.codecov.io:443
-            codecov.io:443
             github.com:443
             gitlab.com:443
             nodejs.org:443
             objects.githubusercontent.com:443
             registry.npmjs.org:443
-            storage.googleapis.com:443
-            uploader.codecov.io:443
       - name: Checkout repository
         uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b # v4.1.4
       - name: Install Node.js
@@ -370,14 +339,6 @@ jobs:
         run: sudo apt-get --assume-yes install zsh
       - name: Run end-to-end tests
         run: npm run coverage:e2e
-      - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@5ecb98a3c6b747ed38dc09f787459979aebb39be # v4.3.1
-        if: ${{ failure() || success() }}
-        env:
-          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
-        with:
-          file: ./_reports/coverage/e2e/lcov.info
-          flags: e2e-${{ matrix.name }}
   test-integration:
     name: Integration (${{ matrix.name }})
     runs-on: ${{ matrix.os }}
@@ -402,19 +363,14 @@ jobs:
           egress-policy: block
           allowed-endpoints: >
             actions-results-receiver-production.githubapp.com:443
-            api.codecov.io:443
             api.github.com:443
             artifactcache.actions.githubusercontent.com:443
             azure.archive.ubuntu.com:80
-            cli.codecov.io:443
-            codecov.io:443
             github.com:443
             gitlab.com:443
             nodejs.org:443
             objects.githubusercontent.com:443
             registry.npmjs.org:443
-            storage.googleapis.com:443
-            uploader.codecov.io:443
       - name: Checkout repository
         uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b # v4.1.4
       - name: Install Node.js
@@ -432,14 +388,6 @@ jobs:
         run: sudo apt-get --assume-yes install csh
       - name: Run integration tests
         run: npm run coverage:integration
-      - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@5ecb98a3c6b747ed38dc09f787459979aebb39be # v4.3.1
-        if: ${{ failure() || success() }}
-        env:
-          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
-        with:
-          file: ./_reports/coverage/integration/lcov.info
-          flags: integration-${{ matrix.name }}
   test-mutation-unit:
     name: Mutation (Unit)
     runs-on: ubuntu-22.04
@@ -548,18 +496,13 @@ jobs:
           egress-policy: block
           allowed-endpoints: >
             actions-results-receiver-production.githubapp.com:443
-            api.codecov.io:443
             api.github.com:443
             artifactcache.actions.githubusercontent.com:443
-            cli.codecov.io:443
-            codecov.io:443
             github.com:443
             gitlab.com:443
             nodejs.org:443
             objects.githubusercontent.com:443
             registry.npmjs.org:443
-            storage.googleapis.com:443
-            uploader.codecov.io:443
       - name: Checkout repository
         uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b # v4.1.4
       - name: Install Node.js
@@ -571,14 +514,6 @@ jobs:
         run: npm clean-install
       - name: Run unit tests
         run: npm run coverage:unit
-      - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@5ecb98a3c6b747ed38dc09f787459979aebb39be # v4.3.1
-        if: ${{ failure() || success() }}
-        env:
-          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
-        with:
-          file: ./_reports/coverage/unit/lcov.info
-          flags: unit
   transpile:
     name: Transpile
     runs-on: ubuntu-22.04
diff --git a/.github/workflows/config-codecov.yml b/.github/workflows/config-codecov.yml
deleted file mode 100644
index 66342a36f..000000000
--- a/.github/workflows/config-codecov.yml
+++ /dev/null
@@ -1,34 +0,0 @@
-name: Config Codecov
-on:
-  pull_request:
-    paths:
-      - .github/workflows/config-codecov.yml
-      - .github/codecov.yml
-  push:
-    branches:
-      - main
-    paths:
-      - .github/workflows/config-codecov.yml
-      - .github/codecov.yml
-
-permissions: read-all
-
-jobs:
-  codecov:
-    name: Codecov
-    runs-on: ubuntu-22.04
-    steps:
-      - name: Harden runner
-        uses: step-security/harden-runner@f086349bfa2bd1361f7909c78558e816508cdc10 # v2.8.0
-        with:
-          disable-sudo: true
-          egress-policy: block
-          allowed-endpoints: >
-            actions-results-receiver-production.githubapp.com:443
-            api.github.com:443
-            codecov.io:443
-            github.com:443
-      - name: Checkout repository
-        uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b # v4.1.4
-      - name: Validate Codecov configuration
-        uses: ericcornelissen/codecov-config-validator-action@bbb3f8ef45de6f6ce57ea8d566940bdd78b4814a # v1.0.2
diff --git a/README.md b/README.md
index 319cc56ef..272cc1c42 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,6 @@
 # Shescape
 
 [![GitHub Actions][ci-image]][ci-url]
-[![Coverage Report][coverage-image]][coverage-url]
 [![npm Package][npm-image]][npm-url]
 
 A simple shell escape library for JavaScript. Use it to escape user-controlled
@@ -93,8 +92,6 @@ file's banner comment.
 
 [ci-url]: https://github.com/ericcornelissen/shescape/actions/workflows/checks.yml
 [ci-image]: https://github.com/ericcornelissen/shescape/actions/workflows/checks.yml/badge.svg
-[coverage-url]: https://codecov.io/gh/ericcornelissen/shescape
-[coverage-image]: https://codecov.io/gh/ericcornelissen/shescape/branch/main/graph/badge.svg
 [npm-url]: https://www.npmjs.com/package/shescape
 [npm-image]: https://img.shields.io/npm/v/shescape.svg
 [an issue]: https://github.com/ericcornelissen/shescape/issues