diff --git a/packages/backend/package.json b/packages/backend/package.json
index 75ed14259..bbca9e59c 100644
--- a/packages/backend/package.json
+++ b/packages/backend/package.json
@@ -147,7 +147,6 @@
 		"rss-parser": "3.13.0",
 		"rxjs": "7.8.1",
 		"sanitize-html": "2.11.0",
-		"semver": "7.5.4",
 		"sharp": "0.32.3",
 		"sharp-read-bmp": "github:misskey-dev/sharp-read-bmp",
 		"slacc": "0.0.10",
diff --git a/packages/backend/src/boot/master.ts b/packages/backend/src/boot/master.ts
index 5dd7d7baf..0bf23c770 100644
--- a/packages/backend/src/boot/master.ts
+++ b/packages/backend/src/boot/master.ts
@@ -10,7 +10,6 @@ import * as os from 'node:os';
 import cluster from 'node:cluster';
 import chalk from 'chalk';
 import chalkTemplate from 'chalk-template';
-import semver from 'semver';
 import Logger from '@/logger.js';
 import { loadConfig } from '@/config.js';
 import type { Config } from '@/config.js';
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 42aeb357c..7bd90b8a0 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -341,9 +341,6 @@ importers:
       sanitize-html:
         specifier: 2.11.0
         version: 2.11.0
-      semver:
-        specifier: 7.5.4
-        version: 7.5.4
       sharp:
         specifier: 0.32.3
         version: 0.32.3