diff --git a/packages/frontend-embed/src/boot.ts b/packages/frontend-embed/src/boot.ts
index 8ab4ab32e6..92441af49a 100644
--- a/packages/frontend-embed/src/boot.ts
+++ b/packages/frontend-embed/src/boot.ts
@@ -128,27 +128,6 @@ window.onunhandledrejection = null;
 
 removeSplash();
 
-//#region Self-XSS 対策メッセージ
-console.log(
-	`%c${i18n.ts._selfXssPrevention.warning}`,
-	'color: #f00; background-color: #ff0; font-size: 36px; padding: 4px;',
-);
-console.log(
-	`%c${i18n.ts._selfXssPrevention.title}`,
-	'color: #f00; font-weight: 900; font-family: "Hiragino Sans W9", "Hiragino Kaku Gothic ProN", sans-serif; font-size: 24px;',
-);
-console.log(
-	`%c${i18n.ts._selfXssPrevention.description1}`,
-	'font-size: 16px; font-weight: 700;',
-);
-console.log(
-	`%c${i18n.ts._selfXssPrevention.description2}`,
-	'font-size: 16px;',
-	'font-size: 20px; font-weight: 700; color: #f00;',
-);
-console.log(i18n.tsx._selfXssPrevention.description3({ link: 'https://misskey-hub.net/docs/for-users/resources/self-xss/' }));
-//#endregion
-
 function removeSplash() {
 	const splash = document.getElementById('splash');
 	if (splash) {
diff --git a/packages/frontend/src/boot/common.ts b/packages/frontend/src/boot/common.ts
index bfe5c4f5f7..922da676be 100644
--- a/packages/frontend/src/boot/common.ts
+++ b/packages/frontend/src/boot/common.ts
@@ -273,27 +273,6 @@ export async function common(createVue: () => App<Element>) {
 
 	removeSplash();
 
-	//#region Self-XSS 対策メッセージ
-	console.log(
-		`%c${i18n.ts._selfXssPrevention.warning}`,
-		'color: #f00; background-color: #ff0; font-size: 36px; padding: 4px;',
-	);
-	console.log(
-		`%c${i18n.ts._selfXssPrevention.title}`,
-		'color: #f00; font-weight: 900; font-family: "Hiragino Sans W9", "Hiragino Kaku Gothic ProN", sans-serif; font-size: 24px;',
-	);
-	console.log(
-		`%c${i18n.ts._selfXssPrevention.description1}`,
-		'font-size: 16px; font-weight: 700;',
-	);
-	console.log(
-		`%c${i18n.ts._selfXssPrevention.description2}`,
-		'font-size: 16px;',
-		'font-size: 20px; font-weight: 700; color: #f00;',
-	);
-	console.log(i18n.tsx._selfXssPrevention.description3({ link: 'https://misskey-hub.net/docs/for-users/resources/self-xss/' }));
-	//#endregion
-
 	return {
 		isClientUpdated,
 		app,