diff --git a/.github/dependabot.yml b/.github/dependabot.yml
deleted file mode 100644
index 666adf9..0000000
--- a/.github/dependabot.yml
+++ /dev/null
@@ -1,103 +0,0 @@
-version: 2
-updates:
-  - package-ecosystem: cargo
-    directory: /rust
-    schedule:
-      interval: weekly
-      day: monday
-      time: "09:00"
-      timezone: Asia/Tokyo
-    cooldown:
-      default-days: 7
-    open-pull-requests-limit: 10
-    labels:
-      - dependencies
-    commit-message:
-      prefix: "chore(deps)"
-    ignore:
-      - dependency-name: "*"
-        update-types:
-          - version-update:semver-major
-    groups:
-      rust-non-major:
-        patterns:
-          - "*"
-        update-types:
-          - minor
-          - patch
-  - package-ecosystem: github-actions
-    directory: /
-    schedule:
-      interval: weekly
-      day: monday
-      time: "09:30"
-      timezone: Asia/Tokyo
-    cooldown:
-      default-days: 7
-    open-pull-requests-limit: 10
-    labels:
-      - dependencies
-      - "area: ci"
-    commit-message:
-      prefix: "chore(deps)"
-    ignore:
-      - dependency-name: "*"
-        update-types:
-          - version-update:semver-major
-    groups:
-      actions-non-major:
-        patterns:
-          - "*"
-        update-types:
-          - minor
-          - patch
-  - package-ecosystem: npm
-    directory: /editors/vscode
-    schedule:
-      interval: weekly
-      day: monday
-      time: "09:45"
-      timezone: Asia/Tokyo
-    cooldown:
-      default-days: 7
-    open-pull-requests-limit: 10
-    labels:
-      - dependencies
-      - "area: editors"
-    commit-message:
-      prefix: "chore(deps)"
-    ignore:
-      # NOTE: @types/vscode has to stay on the version engines.vscode names, or the
-      # NOTE: extension compiles against API the editors it claims to support do not have.
-      - dependency-name: "@types/vscode"
-      - dependency-name: "*"
-        update-types:
-          - version-update:semver-major
-    groups:
-      npm-non-major:
-        patterns:
-          - "*"
-        update-types:
-          - minor
-          - patch
-  - package-ecosystem: docker
-    directory: /
-    schedule:
-      interval: weekly
-      day: monday
-      time: "10:00"
-      timezone: Asia/Tokyo
-    cooldown:
-      default-days: 7
-    open-pull-requests-limit: 10
-    labels:
-      - dependencies
-      - "area: ci"
-    commit-message:
-      prefix: "chore(deps)"
-    ignore:
-      # NOTE: The builder stage is pinned to the MSRV toolchain on purpose; a major or minor Rust bump is a deliberate change, not a dependency update.
-      - dependency-name: rust
-        update-types:
-          - version-update:semver-major
-          - version-update:semver-minor