diff --git a/packages/frontend/src/components/MkPagination.vue b/packages/frontend/src/components/MkPagination.vue
index a729619180..d90db1748c 100644
--- a/packages/frontend/src/components/MkPagination.vue
+++ b/packages/frontend/src/components/MkPagination.vue
@@ -380,7 +380,7 @@ function prepend(item: MisskeyEntity): void {
 		return;
 	}
 
-	console.log(isHead(), isPausingUpdate);
+	if (_DEV_) console.log(isHead(), isPausingUpdate);
 
 	if (isHead() && !isPausingUpdate) unshiftItems([item]);
 	else prependQueue(item);
diff --git a/packages/frontend/src/preferences/manager.ts b/packages/frontend/src/preferences/manager.ts
index 037d6a6bd1..f96aa2f368 100644
--- a/packages/frontend/src/preferences/manager.ts
+++ b/packages/frontend/src/preferences/manager.ts
@@ -142,11 +142,11 @@ export class PreferencesManager {
 		const v = JSON.parse(JSON.stringify(value)); // deep copy 兼 vueのプロキシ解除
 
 		if (deepEqual(this.s[key], v)) {
-			console.log('(skip) prefer:commit', key, v);
+			if (_DEV_) console.log('(skip) prefer:commit', key, v);
 			return;
 		}
 
-		console.log('prefer:commit', key, v);
+		if (_DEV_) console.log('prefer:commit', key, v);
 
 		this.rewriteRawState(key, v);
 
@@ -250,13 +250,13 @@ export class PreferencesManager {
 				if (!deepEqual(cloudValue, record[1])) {
 					this.rewriteRawState(key, cloudValue);
 					record[1] = cloudValue;
-					console.log('cloud fetched', key, cloudValue);
+					if (_DEV_) console.log('cloud fetched', key, cloudValue);
 				}
 			}
 		}
 
 		this.save();
-		console.log('cloud fetch completed');
+		if (_DEV_) console.log('cloud fetch completed');
 	}
 
 	public static newProfile(): PreferencesProfile {
diff --git a/packages/frontend/src/preferences/utility.ts b/packages/frontend/src/preferences/utility.ts
index 7229b7348e..adba908c3c 100644
--- a/packages/frontend/src/preferences/utility.ts
+++ b/packages/frontend/src/preferences/utility.ts
@@ -153,7 +153,7 @@ export async function restoreFromCloudBackup() {
 		scope: ['client', 'preferences', 'backups'],
 	});
 
-	console.log(keys);
+	if (_DEV_) console.log(keys);
 
 	if (keys.length === 0) {
 		os.alert({
@@ -179,7 +179,7 @@ export async function restoreFromCloudBackup() {
 		key: select.result,
 	});
 
-	console.log(profile);
+	if (_DEV_) console.log(profile);
 
 	miLocalStorage.setItem('preferences', JSON.stringify(profile));
 	miLocalStorage.setItem('hidePreferencesRestoreSuggestion', 'true');
diff --git a/packages/frontend/src/router.ts b/packages/frontend/src/router.ts
index 3b79569995..d702da80fa 100644
--- a/packages/frontend/src/router.ts
+++ b/packages/frontend/src/router.ts
@@ -32,7 +32,7 @@ mainRouter.addListener('replace', ctx => {
 });
 
 mainRouter.addListener('change', ctx => {
-	console.log('mainRouter: change', ctx.fullPath);
+	if (_DEV_) console.log('mainRouter: change', ctx.fullPath);
 	analytics.page({
 		path: ctx.fullPath,
 		title: ctx.fullPath,
diff --git a/packages/frontend/src/tab-id.ts b/packages/frontend/src/tab-id.ts
index e2e4f69eea..49b69f72d2 100644
--- a/packages/frontend/src/tab-id.ts
+++ b/packages/frontend/src/tab-id.ts
@@ -8,4 +8,4 @@ import { v4 as uuid } from 'uuid';
 // HMR有効時にバグか知らんけど複数回実行されるのでその対策
 export const TAB_ID = window.sessionStorage.getItem('TAB_ID') ?? uuid();
 window.sessionStorage.setItem('TAB_ID', TAB_ID);
-console.log('TAB_ID', TAB_ID);
+if (_DEV_) console.log('TAB_ID', TAB_ID);