diff --git a/packages/client/package.json b/packages/client/package.json
index 6d18c35b..f6d45783 100644
--- a/packages/client/package.json
+++ b/packages/client/package.json
@@ -43,7 +43,6 @@
 		"chartjs-plugin-gradient": "0.6.1",
 		"chartjs-plugin-zoom": "2.0.1",
 		"city-timezones": "^1.2.1",
-		"compare-versions": "6.1.0",
 		"cropperjs": "2.0.0-beta.4",
 		"cross-env": "7.0.3",
 		"date-fns": "2.30.0",
diff --git a/packages/client/src/init.ts b/packages/client/src/init.ts
index 7cb94adb..a3287c46 100644
--- a/packages/client/src/init.ts
+++ b/packages/client/src/init.ts
@@ -31,7 +31,6 @@ import {
 	version as vueVersion,
 	watch,
 } from "vue";
-import { compareVersions } from "compare-versions";
 
 import widgets from "@/widgets";
 import directives from "@/directives";
@@ -250,25 +249,13 @@ function checkForSplash() {
 		// テーマリビルドするため
 		localStorage.removeItem("theme");
 
-		try {
-			// 変なバージョン文字列来るとcompareVersionsでエラーになるため
-			if (
-				lastVersion != null &&
-				version !== lastVersion &&
-				defaultStore.state.showUpdates
-			) {
-				// ログインしてる場合だけ
-				if ($i) {
-					popup(
-						defineAsyncComponent(() => import("@/components/MkUpdated.vue")),
-						{},
-						{},
-						"closed",
-					);
-				}
-			}
-		} catch (err) {
-			console.error(err);
+		if ($i && defaultStore.state.showUpdates) {
+			popup(
+				defineAsyncComponent(() => import("@/components/MkUpdated.vue")),
+				{},
+				{},
+				"closed",
+			);
 		}
 	}
 
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index d8742ba9..f5b2fa4e 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -713,9 +713,6 @@ importers:
       city-timezones:
         specifier: ^1.2.1
         version: 1.2.1
-      compare-versions:
-        specifier: 6.1.0
-        version: 6.1.0
       cropperjs:
         specifier: 2.0.0-beta.4
         version: 2.0.0-beta.4
@@ -6423,10 +6420,6 @@ packages:
     resolution: {integrity: sha512-QE33hToZseCH3jS0qN96O/bSh3kaw/h+Tq7ngyY9eWDUnTlTNUyqfqvCXioLe5Na5jFsL78ra/wuBU4iuEgd4w==}
     dev: true
 
-  /compare-versions@6.1.0:
-    resolution: {integrity: sha512-LNZQXhqUvqUTotpZ00qLSaify3b4VFD588aRr8MKFw4CMUr98ytzCW5wDH5qx/DEY5kCDXcbcRuCqL0szEf2tg==}
-    dev: true
-
   /component-emitter@1.3.0:
     resolution: {integrity: sha512-Rd3se6QB+sO1TwqZjscQrurpEPIfO0/yYnSin6Q/rD3mOutHvUrCAhJub3r90uNb+SESBuE0QYoB90YdfatsRg==}
     dev: true