diff --git a/js/libtextsecure.js b/js/libtextsecure.js
index 58b788ab1..e35f70693 100644
--- a/js/libtextsecure.js
+++ b/js/libtextsecure.js
@@ -38332,7 +38332,6 @@ MessageReceiver.prototype.extend({
             }
             return;
         }
-        var receivedAt = Date.now();
 
         this.incoming.push(textsecure.crypto.decryptWebsocketMessage(request.body, this.signalingKey).then(function(plaintext) {
             var envelope = textsecure.protobuf.Envelope.decode(plaintext);
@@ -38344,8 +38343,6 @@ MessageReceiver.prototype.extend({
                 return request.respond(200, 'OK');
             }
 
-            envelope.receivedAt = receivedAt;
-
             return this.addToCache(envelope, plaintext).then(function() {
                 request.respond(200, 'OK');
                 this.queueEnvelope(envelope);