diff --git a/src/rtp/rtp_packetizer/rtp_packetizer_h264.cpp b/src/rtp/rtp_packetizer/rtp_packetizer_h264.cpp
index 7b4d7c3..d2ab81c 100644
--- a/src/rtp/rtp_packetizer/rtp_packetizer_h264.cpp
+++ b/src/rtp/rtp_packetizer/rtp_packetizer_h264.cpp
@@ -171,7 +171,7 @@ std::vector<std::unique_ptr<RtpPacket>> RtpPacketizerH264::BuildFua(
     // ssrc_ = ssrc_;
 
     if (!csrc_count_) {
-      csrcs_ = csrcs_;
+      // csrcs_ = csrcs_;
     }
 
     rtp::FU_INDICATOR fu_indicator;
diff --git a/src/transport/channel/rtp_video_receiver.h b/src/transport/channel/rtp_video_receiver.h
index 588e5a9..f48e2c8 100644
--- a/src/transport/channel/rtp_video_receiver.h
+++ b/src/transport/channel/rtp_video_receiver.h
@@ -85,11 +85,12 @@ class RtpVideoReceiver : public ThreadBase,
 
   void SendRR();
 
-  void RequestKeyFrame();
+  void RequestKeyFrame() override;
 
   void SendLossNotification(uint16_t last_decoded_seq_num,
                             uint16_t last_received_seq_num,
-                            bool decodability_flag, bool buffering_allowed);
+                            bool decodability_flag,
+                            bool buffering_allowed) override;
 
   void ReviseFrequencyAndJitter(int payload_type_frequency);
 
diff --git a/src/transport/paced_sender/paced_sender.h b/src/transport/paced_sender/paced_sender.h
index 27f58ee..c119c17 100644
--- a/src/transport/paced_sender/paced_sender.h
+++ b/src/transport/paced_sender/paced_sender.h
@@ -85,7 +85,7 @@ class PacedSender : public webrtc::RtpPacketPacer,
   // have been updated.
   void OnAbortedRetransmissions(
       uint32_t /* ssrc */,
-      rtc::ArrayView<const uint16_t> /* sequence_numbers */) {}
+      rtc::ArrayView<const uint16_t> /* sequence_numbers */) override {}
   std::optional<uint32_t> GetRtxSsrcForMedia(
       uint32_t /* ssrc */) const override {
     return std::nullopt;