Resolve #3158

src/server/api/endpoints/i.ts

@@ -27,11 +27,4 @@ export default define(meta, (ps, user, app) => new Promise(async (res, rej) => {
 		includeHasUnreadNotes: true,
 		includeSecrets: isSecure
 	}));
-
-	// Update lastUsedAt
-	User.update({ _id: user._id }, {
-		$set: {
-			lastUsedAt: new Date()
-		}
-	});
 }));

src/server/api/endpoints/users/recommendation.ts

@@ -76,7 +76,7 @@ export default define(meta, (ps, me) => new Promise(async (res, rej) => {
 					$nin: followingIds.concat(mutedUserIds)
 				},
 				isLocked: { $ne: true },
-				lastUsedAt: {
+				updatedAt: {
 					$gte: new Date(Date.now() - ms('7days'))
 				},
 				host: null