diff --git a/.github/workflows/build_pull_request.yml b/.github/workflows/build_pull_request.yml
deleted file mode 100644
index f4e907348..000000000
--- a/.github/workflows/build_pull_request.yml
+++ /dev/null
@@ -1,71 +0,0 @@
-name: PR check
-
-on:
-  pull_request:
-    paths:
-      - '**'
-      - '!**.md'
-      - '!.github/**'
-      - '.github/workflows/build_pull_request.yml'
-
-concurrency:
-  group: ${{ github.workflow }}-${{ github.event.pull_request.number }}
-  cancel-in-progress: true
-
-env:
-  CI_CHUNK_SIZE: 65
-  IS_PR_CHECK: true
-
-jobs:
-  prepare:
-    name: Prepare job
-    runs-on: 'ubuntu-24.04'
-    outputs:
-      matrix: ${{ steps.generate-matrices.outputs.matrix }}
-      delete: ${{ steps.generate-matrices.outputs.delete }}
-    steps:
-      - name: Checkout PR
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
-
-      - name: Set up Java
-        uses: actions/setup-java@3a4f6e1af504cf6a31855fa899c6aa5355ba6c12 # v4.7.0
-        with:
-          java-version: 17
-          distribution: temurin
-
-      - name: Set up Gradle
-        uses: gradle/actions/setup-gradle@94baf225fe0a508e581a564467443d0e2379123b # v4.3.0
-        with:
-          cache-read-only: true
-
-      - id: generate-matrices
-        name: Generate build matrices
-        run: |
-          git fetch origin main
-          python ./.github/scripts/generate-build-matrices.py origin/main Debug
-
-  build:
-    name: Build extensions (${{ matrix.chunk.number }})
-    needs: prepare
-    runs-on: 'ubuntu-24.04'
-    if: ${{ toJson(fromJson(needs.prepare.outputs.matrix).chunk) != '[]' }}
-    strategy:
-      matrix: ${{ fromJSON(needs.prepare.outputs.matrix) }}
-    steps:
-      - name: Checkout PR
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
-
-      - name: Set up Java
-        uses: actions/setup-java@3a4f6e1af504cf6a31855fa899c6aa5355ba6c12 # v4.7.0
-        with:
-          java-version: 17
-          distribution: temurin
-
-      - name: Set up Gradle
-        uses: gradle/actions/setup-gradle@94baf225fe0a508e581a564467443d0e2379123b # v4.3.0
-        with:
-          cache-read-only: true
-
-      - name: Build extensions (${{ matrix.chunk.number }})
-        run: |
-          ./gradlew $(echo '${{ toJson(matrix.chunk.modules) }}' | jq -r 'join(" ")')
diff --git a/.github/workflows/codeberg_mirror.yml b/.github/workflows/codeberg_mirror.yml
deleted file mode 100644
index 6269f3ac9..000000000
--- a/.github/workflows/codeberg_mirror.yml
+++ /dev/null
@@ -1,22 +0,0 @@
-# Sync repo to the Codeberg mirror
-name: Mirror Sync
-
-on:
-  push:
-    branches: [ "main" ]
-  workflow_dispatch: # Manual dispatch
-  schedule:
-    - cron: "0 */8 * * *"
-
-jobs:
-  codeberg:
-    if: "github.repository == 'keiyoushi/extensions-source'"
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
-        with:
-          fetch-depth: 0
-      - uses: pixta-dev/repository-mirroring-action@674e65a7d483ca28dafaacba0d07351bdcc8bd75 # v1.1.1
-        with:
-          target_repo_url: "git@codeberg.org:keiyoushi/extensions-source.git"
-          ssh_private_key: ${{ secrets.CODEBERG_SSH }}
diff --git a/.github/workflows/issue_moderator.yml b/.github/workflows/issue_moderator.yml
deleted file mode 100644
index a53e14963..000000000
--- a/.github/workflows/issue_moderator.yml
+++ /dev/null
@@ -1,71 +0,0 @@
-name: Issue moderator
-
-on:
-  issues:
-    types: [ opened, edited, reopened ]
-  issue_comment:
-    types: [ created ]
-
-jobs:
-  autoclose:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Moderate issues
-        uses: keiyoushi/issue-moderator-action@a017be83547db6e107431ce7575f53c1dfa3296a
-        with:
-          repo-token: ${{ secrets.ISSUE_MODERATOR_PAT }}
-          duplicate-label: Duplicate
-
-          blurbs: |
-            [
-              {
-                "keywords": ["cf", "cloudflare"],
-                "message": "Refer to the **Solving Cloudflare issues** section at https://keiyoushi.github.io/docs/guides/troubleshooting#cloudflare. If it doesn't work, migrate to other sources or wait until they lower their protection."
-              },
-              {
-                "keywords": ["uninstall"],
-                "message": "Uninstall the extension before updating. If that does not work, uninstall it from your device's settings by navigating to your device's Settings -> Apps and uninstall it from there by looking for `Tachiyomi: <extension name>`.\n\nThis is usually caused your previous extension having a different signature from the updated extension, making Android refuse to update it."
-              }
-            ]
-
-          duplicate-check-enabled: true
-          duplicate-check-labels: |
-            ["Source request", "Domain changed"]
-
-          existing-check-enabled: true
-          existing-check-labels: |
-            ["Source request", "Domain changed"]
-          existing-check-repo-url: https://raw.githubusercontent.com/keiyoushi/extensions/repo/index.min.json
-
-          auto-close-rules: |
-            [
-              {
-                "type": "both",
-                "regex": ".*(?:fail(?:ed|ure|s)?|can\\s*(?:no|')?t|(?:not|un).*able|(?<!n[o']?t )blocked by|error) (?:to )?(?:get past|by ?pass|penetrate)?.*cl[oa]ud ?fl?[ai]re.*",
-                "ignoreCase": true,
-                "labels": ["Cloudflare protected"],
-                "message": "Refer to the **Solving Cloudflare issues** section at https://keiyoushi.github.io/docs/guides/troubleshooting#cloudflare. If it doesn't work, migrate to other sources or wait until they lower their protection."
-              },
-              {
-                "type": "both",
-                "regex": "remanga\\.org",
-                "ignoreCase": true,
-                "labels": ["invalid"],
-                "message": "ReManga (Russian) will not be added back as it has been removed [due to legal reasons](https://github.com/github/dmca)."
-              },
-              {
-                "type": "both",
-                "regex": "(kumanga\\.com)",
-                "ignoreCase": true,
-                "labels": ["invalid"],
-                "message": "{match} will not be added back as it is too difficult to maintain."
-              },
-              {
-                "type": "both",
-                "regex": "(centralnovel\\.com)",
-                "ignoreCase": true,
-                "labels": ["invalid"],
-                "message": "Novels aren't supported"
-              }
-            ]
-          auto-close-ignore-label: do-not-autoclose
diff --git a/.github/workflows/lock.yml b/.github/workflows/lock.yml
deleted file mode 100644
index 6c7338775..000000000
--- a/.github/workflows/lock.yml
+++ /dev/null
@@ -1,20 +0,0 @@
-name: Lock threads
-
-on:
-  # Daily
-  schedule:
-    - cron: '0 0 * * *'
-  # Manual trigger
-  workflow_dispatch:
-    inputs:
-
-
-jobs:
-  lock:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: dessant/lock-threads@1bf7ec25051fe7c00bdd17e6a7cf3d7bfb7dc771 # v5.0.1
-        with:
-          github-token: ${{ github.token }}
-          issue-inactive-days: '2'
-          pr-inactive-days: '2'