diff --git a/packages/frontend-embed/src/components/EmImgWithBlurhash.vue b/packages/frontend-embed/src/components/EmImgWithBlurhash.vue
index bf976c71ae..0bff048ce4 100644
--- a/packages/frontend-embed/src/components/EmImgWithBlurhash.vue
+++ b/packages/frontend-embed/src/components/EmImgWithBlurhash.vue
@@ -33,13 +33,11 @@ const canvasPromise = new Promise<WorkerMultiDispatch | HTMLCanvasElement>(resol
 				Math.min(navigator.hardwareConcurrency - 1, 4),
 			);
 			resolve(workers);
-			if (_DEV_) console.log('WebGL2 in worker is supported!');
 		} else {
 			const canvas = document.createElement('canvas');
 			canvas.width = 64;
 			canvas.height = 64;
 			resolve(canvas);
-			if (_DEV_) console.log('WebGL2 in worker is not supported...');
 		}
 		testWorker.terminate();
 	});
diff --git a/packages/frontend/src/boot/common.ts b/packages/frontend/src/boot/common.ts
index a520be9f8a..402ccca587 100644
--- a/packages/frontend/src/boot/common.ts
+++ b/packages/frontend/src/boot/common.ts
@@ -300,24 +300,26 @@ 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/' }));
+	if (!_DEV_) {
+		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 {
diff --git a/packages/frontend/src/components/MkImgWithBlurhash.vue b/packages/frontend/src/components/MkImgWithBlurhash.vue
index b86aca19fd..420e5e392f 100644
--- a/packages/frontend/src/components/MkImgWithBlurhash.vue
+++ b/packages/frontend/src/components/MkImgWithBlurhash.vue
@@ -69,13 +69,11 @@ const canvasPromise = new Promise<WorkerMultiDispatch | HTMLCanvasElement>(resol
 				Math.min(navigator.hardwareConcurrency - 1, 4),
 			);
 			resolve(workers);
-			if (_DEV_) console.log('WebGL2 in worker is supported!');
 		} else {
 			const canvas = document.createElement('canvas');
 			canvas.width = 64;
 			canvas.height = 64;
 			resolve(canvas);
-			if (_DEV_) console.log('WebGL2 in worker is not supported...');
 		}
 		testWorker.terminate();
 	});