diff --git a/modules/rtp_rtcp/include/rtp_rtcp_defines.h b/modules/rtp_rtcp/include/rtp_rtcp_defines.h
index 652ea25224..3b165218b9 100644
--- a/modules/rtp_rtcp/include/rtp_rtcp_defines.h
+++ b/modules/rtp_rtcp/include/rtp_rtcp_defines.h
@@ -363,11 +363,7 @@ struct StreamDataCounters {
            fec.payload_bytes;
   }
 
-  int64_t first_packet_time_ms;  // Time when first packet is sent/received.
-  // The timestamp at which the last packet was received, i.e. the time of the
-  // local clock when it was received - not the RTP timestamp of that packet.
-  // https://w3c.github.io/webrtc-stats/#dom-rtcinboundrtpstreamstats-lastpacketreceivedtimestamp
-  absl::optional<int64_t> last_packet_received_timestamp_ms;
+  int64_t first_packet_time_ms;    // Time when first packet is sent/received.
   RtpPacketCounter transmitted;    // Number of transmitted packets/bytes.
   RtpPacketCounter retransmitted;  // Number of retransmitted packets/bytes.
   RtpPacketCounter fec;            // Number of redundancy packets/bytes.
diff --git a/modules/rtp_rtcp/source/receive_statistics_impl.cc b/modules/rtp_rtcp/source/receive_statistics_impl.cc
index 7c6c2cf443..e5a574683c 100644
--- a/modules/rtp_rtcp/source/receive_statistics_impl.cc
+++ b/modules/rtp_rtcp/source/receive_statistics_impl.cc
@@ -113,7 +113,6 @@ void StreamStatisticianImpl::UpdateCounters(const RtpPacketReceived& packet) {
   int64_t now_ms = clock_->TimeInMilliseconds();
 
   incoming_bitrate_.Update(packet.size(), now_ms);
-  receive_counters_.last_packet_received_timestamp_ms = now_ms;
   receive_counters_.transmitted.AddPacket(packet);
   --cumulative_loss_;
 
@@ -221,10 +220,9 @@ RtpReceiveStats StreamStatisticianImpl::GetStats() const {
     stats.interarrival_jitter =
         webrtc::TimeDelta::Seconds(stats.jitter) / last_payload_type_frequency_;
   }
-  if (receive_counters_.last_packet_received_timestamp_ms.has_value()) {
+  if (last_receive_time_ms_ > 0) {
     stats.last_packet_received_timestamp_ms =
-        *receive_counters_.last_packet_received_timestamp_ms +
-        delta_internal_unix_epoch_ms_;
+        last_receive_time_ms_ + delta_internal_unix_epoch_ms_;
   }
   stats.packet_counter = receive_counters_.transmitted;
   return stats;
diff --git a/modules/rtp_rtcp/source/receive_statistics_unittest.cc b/modules/rtp_rtcp/source/receive_statistics_unittest.cc
index b6593a4c3b..69164c208c 100644
--- a/modules/rtp_rtcp/source/receive_statistics_unittest.cc
+++ b/modules/rtp_rtcp/source/receive_statistics_unittest.cc
@@ -590,16 +590,17 @@ TEST_P(ReceiveStatisticsTest, StreamDataCounters) {
 
 TEST_P(ReceiveStatisticsTest, LastPacketReceivedTimestamp) {
   clock_.AdvanceTimeMilliseconds(42);
+  packet1_.SetSequenceNumber(100);
   receive_statistics_->OnRtpPacket(packet1_);
-  StreamDataCounters counters = receive_statistics_->GetStatistician(kSsrc1)
-                                    ->GetReceiveStreamDataCounters();
+  RtpReceiveStats counters =
+      receive_statistics_->GetStatistician(kSsrc1)->GetStats();
 
   EXPECT_EQ(42, counters.last_packet_received_timestamp_ms);
 
   clock_.AdvanceTimeMilliseconds(3);
+  packet1_.SetSequenceNumber(101);
   receive_statistics_->OnRtpPacket(packet1_);
-  counters = receive_statistics_->GetStatistician(kSsrc1)
-                 ->GetReceiveStreamDataCounters();
+  counters = receive_statistics_->GetStatistician(kSsrc1)->GetStats();
   EXPECT_EQ(45, counters.last_packet_received_timestamp_ms);
 }