diff --git a/modules/rtp_rtcp/mocks/mock_rtp_rtcp.h b/modules/rtp_rtcp/mocks/mock_rtp_rtcp.h
index 5c93e0bfed..75c30742df 100644
--- a/modules/rtp_rtcp/mocks/mock_rtp_rtcp.h
+++ b/modules/rtp_rtcp/mocks/mock_rtp_rtcp.h
@@ -67,7 +67,6 @@ class MockRtpRtcpInterface : public RtpRtcpInterface {
   MOCK_METHOD(RtpState, GetRtxState, (), (const, override));
   MOCK_METHOD(uint32_t, SSRC, (), (const, override));
   MOCK_METHOD(void, SetMid, (absl::string_view mid), (override));
-  MOCK_METHOD(void, SetCsrcs, (const std::vector<uint32_t>& csrcs), (override));
   MOCK_METHOD(void, SetRtxSendStatus, (int modes), (override));
   MOCK_METHOD(int, RtxSendStatus, (), (const, override));
   MOCK_METHOD(absl::optional<uint32_t>, RtxSsrc, (), (const, override));
diff --git a/modules/rtp_rtcp/source/rtp_rtcp_impl.cc b/modules/rtp_rtcp/source/rtp_rtcp_impl.cc
index a3662f19d9..eac023df3d 100644
--- a/modules/rtp_rtcp/source/rtp_rtcp_impl.cc
+++ b/modules/rtp_rtcp/source/rtp_rtcp_impl.cc
@@ -265,11 +265,6 @@ void ModuleRtpRtcpImpl::SetMid(absl::string_view mid) {
   // RTCP, this will need to be passed down to the RTCPSender also.
 }
 
-void ModuleRtpRtcpImpl::SetCsrcs(const std::vector<uint32_t>& csrcs) {
-  rtcp_sender_.SetCsrcs(csrcs);
-  rtp_sender_->packet_generator.SetCsrcs(csrcs);
-}
-
 // TODO(pbos): Handle media and RTX streams separately (separate RTCP
 // feedbacks).
 RTCPSender::FeedbackState ModuleRtpRtcpImpl::GetFeedbackState() {
diff --git a/modules/rtp_rtcp/source/rtp_rtcp_impl.h b/modules/rtp_rtcp/source/rtp_rtcp_impl.h
index cbe30dddf5..f164195168 100644
--- a/modules/rtp_rtcp/source/rtp_rtcp_impl.h
+++ b/modules/rtp_rtcp/source/rtp_rtcp_impl.h
@@ -103,8 +103,6 @@ class ABSL_DEPRECATED("") ModuleRtpRtcpImpl
 
   void SetMid(absl::string_view mid) override;
 
-  void SetCsrcs(const std::vector<uint32_t>& csrcs) override;
-
   RTCPSender::FeedbackState GetFeedbackState();
 
   void SetRtxSendStatus(int mode) override;
diff --git a/modules/rtp_rtcp/source/rtp_rtcp_impl2.cc b/modules/rtp_rtcp/source/rtp_rtcp_impl2.cc
index ecc05ca9d0..31dd1499d5 100644
--- a/modules/rtp_rtcp/source/rtp_rtcp_impl2.cc
+++ b/modules/rtp_rtcp/source/rtp_rtcp_impl2.cc
@@ -230,11 +230,6 @@ void ModuleRtpRtcpImpl2::SetMid(absl::string_view mid) {
   // RTCP, this will need to be passed down to the RTCPSender also.
 }
 
-void ModuleRtpRtcpImpl2::SetCsrcs(const std::vector<uint32_t>& csrcs) {
-  rtcp_sender_.SetCsrcs(csrcs);
-  rtp_sender_->packet_generator.SetCsrcs(csrcs);
-}
-
 // TODO(pbos): Handle media and RTX streams separately (separate RTCP
 // feedbacks).
 RTCPSender::FeedbackState ModuleRtpRtcpImpl2::GetFeedbackState() {
diff --git a/modules/rtp_rtcp/source/rtp_rtcp_impl2.h b/modules/rtp_rtcp/source/rtp_rtcp_impl2.h
index 34b6b8342d..e7a3ac03e8 100644
--- a/modules/rtp_rtcp/source/rtp_rtcp_impl2.h
+++ b/modules/rtp_rtcp/source/rtp_rtcp_impl2.h
@@ -114,8 +114,6 @@ class ModuleRtpRtcpImpl2 final : public RtpRtcpInterface,
 
   void SetMid(absl::string_view mid) override;
 
-  void SetCsrcs(const std::vector<uint32_t>& csrcs) override;
-
   RTCPSender::FeedbackState GetFeedbackState();
 
   void SetRtxSendStatus(int mode) override;
diff --git a/modules/rtp_rtcp/source/rtp_rtcp_interface.h b/modules/rtp_rtcp/source/rtp_rtcp_interface.h
index 8b1d11aa45..2024b308dd 100644
--- a/modules/rtp_rtcp/source/rtp_rtcp_interface.h
+++ b/modules/rtp_rtcp/source/rtp_rtcp_interface.h
@@ -258,10 +258,6 @@ class RtpRtcpInterface : public RtcpFeedbackSenderInterface {
   // Once set, this value can not be changed or removed.
   virtual void SetMid(absl::string_view mid) = 0;
 
-  // Sets CSRC.
-  // `csrcs` - vector of CSRCs
-  virtual void SetCsrcs(const std::vector<uint32_t>& csrcs) = 0;
-
   // Turns on/off sending RTX (RFC 4588). The modes can be set as a combination
   // of values of the enumerator RtxMode.
   virtual void SetRtxSendStatus(int modes) = 0;