diff --git a/src/middleware/activitypub.js b/src/middleware/activitypub.js
index 2873ab6aec..7adf84029e 100644
--- a/src/middleware/activitypub.js
+++ b/src/middleware/activitypub.js
@@ -40,13 +40,11 @@ middleware.validate = async function (req, res, next) {
 	// winston.verbose('[middleware/activitypub] Request body check passed.');
 
 	// History check
-	/*
 	const seen = await db.isSortedSetMember('activities:datetime', req.body.id);
 	if (seen) {
 		// winston.verbose(`[middleware/activitypub] Activity already seen, ignoring (${req.body.id}).`);
 		return res.sendStatus(200);
 	}
-	*/
 
 	// Checks the validity of the incoming payload against the sender and rejects on failure
 	const verified = await activitypub.verify(req);