diff --git a/pc/dtls_srtp_transport.h b/pc/dtls_srtp_transport.h
index 0f8338ca0d..995809ed4b 100644
--- a/pc/dtls_srtp_transport.h
+++ b/pc/dtls_srtp_transport.h
@@ -49,15 +49,6 @@ class DtlsSrtpTransport : public SrtpTransport {
 
   void SetOnDtlsStateChange(std::function<void(void)> callback);
 
-  RTCError SetSrtpSendKey(const cricket::CryptoParams& params) override {
-    return RTCError(RTCErrorType::UNSUPPORTED_OPERATION,
-                    "Set SRTP keys for DTLS-SRTP is not supported.");
-  }
-  RTCError SetSrtpReceiveKey(const cricket::CryptoParams& params) override {
-    return RTCError(RTCErrorType::UNSUPPORTED_OPERATION,
-                    "Set SRTP keys for DTLS-SRTP is not supported.");
-  }
-
   // If `active_reset_srtp_params_` is set to be true, the SRTP parameters will
   // be reset whenever the DtlsTransports are reset.
   void SetActiveResetSrtpParams(bool active_reset_srtp_params) {
diff --git a/pc/srtp_transport.cc b/pc/srtp_transport.cc
index 033cca75bb..c82839ca82 100644
--- a/pc/srtp_transport.cc
+++ b/pc/srtp_transport.cc
@@ -37,86 +37,6 @@ SrtpTransport::SrtpTransport(bool rtcp_mux_enabled,
                              const FieldTrialsView& field_trials)
     : RtpTransport(rtcp_mux_enabled), field_trials_(field_trials) {}
 
-RTCError SrtpTransport::SetSrtpSendKey(const cricket::CryptoParams& params) {
-  if (send_params_) {
-    LOG_AND_RETURN_ERROR(
-        webrtc::RTCErrorType::UNSUPPORTED_OPERATION,
-        "Setting the SRTP send key twice is currently unsupported.");
-  }
-  if (recv_params_ && recv_params_->crypto_suite != params.crypto_suite) {
-    LOG_AND_RETURN_ERROR(
-        webrtc::RTCErrorType::UNSUPPORTED_OPERATION,
-        "The send key and receive key must have the same cipher suite.");
-  }
-
-  send_crypto_suite_ = rtc::SrtpCryptoSuiteFromName(params.crypto_suite);
-  if (*send_crypto_suite_ == rtc::kSrtpInvalidCryptoSuite) {
-    return RTCError(RTCErrorType::INVALID_PARAMETER,
-                    "Invalid SRTP crypto suite");
-  }
-
-  int send_key_len, send_salt_len;
-  if (!rtc::GetSrtpKeyAndSaltLengths(*send_crypto_suite_, &send_key_len,
-                                     &send_salt_len)) {
-    return RTCError(RTCErrorType::INVALID_PARAMETER,
-                    "Could not get lengths for crypto suite(s):"
-                    " send crypto_suite ");
-  }
-
-  send_key_ = rtc::ZeroOnFreeBuffer<uint8_t>(send_key_len + send_salt_len);
-  if (!ParseKeyParams(params.key_params, send_key_.data(), send_key_.size())) {
-    return RTCError(RTCErrorType::INVALID_PARAMETER,
-                    "Failed to parse the crypto key params");
-  }
-
-  if (!MaybeSetKeyParams()) {
-    return RTCError(RTCErrorType::INVALID_PARAMETER,
-                    "Failed to set the crypto key params");
-  }
-  send_params_ = params;
-  return RTCError::OK();
-}
-
-RTCError SrtpTransport::SetSrtpReceiveKey(const cricket::CryptoParams& params) {
-  if (recv_params_) {
-    LOG_AND_RETURN_ERROR(
-        webrtc::RTCErrorType::UNSUPPORTED_OPERATION,
-        "Setting the SRTP send key twice is currently unsupported.");
-  }
-  if (send_params_ && send_params_->crypto_suite != params.crypto_suite) {
-    LOG_AND_RETURN_ERROR(
-        webrtc::RTCErrorType::UNSUPPORTED_OPERATION,
-        "The send key and receive key must have the same cipher suite.");
-  }
-
-  recv_crypto_suite_ = rtc::SrtpCryptoSuiteFromName(params.crypto_suite);
-  if (*recv_crypto_suite_ == rtc::kSrtpInvalidCryptoSuite) {
-    return RTCError(RTCErrorType::INVALID_PARAMETER,
-                    "Invalid SRTP crypto suite");
-  }
-
-  int recv_key_len, recv_salt_len;
-  if (!rtc::GetSrtpKeyAndSaltLengths(*recv_crypto_suite_, &recv_key_len,
-                                     &recv_salt_len)) {
-    return RTCError(RTCErrorType::INVALID_PARAMETER,
-                    "Could not get lengths for crypto suite(s):"
-                    " recv crypto_suite ");
-  }
-
-  recv_key_ = rtc::ZeroOnFreeBuffer<uint8_t>(recv_key_len + recv_salt_len);
-  if (!ParseKeyParams(params.key_params, recv_key_.data(), recv_key_.size())) {
-    return RTCError(RTCErrorType::INVALID_PARAMETER,
-                    "Failed to parse the crypto key params");
-  }
-
-  if (!MaybeSetKeyParams()) {
-    return RTCError(RTCErrorType::INVALID_PARAMETER,
-                    "Failed to set the crypto key params");
-  }
-  recv_params_ = params;
-  return RTCError::OK();
-}
-
 bool SrtpTransport::SendRtpPacket(rtc::CopyOnWriteBuffer* packet,
                                   const rtc::PacketOptions& options,
                                   int flags) {
diff --git a/pc/srtp_transport.h b/pc/srtp_transport.h
index cb443d5f1c..29721f3b68 100644
--- a/pc/srtp_transport.h
+++ b/pc/srtp_transport.h
@@ -41,9 +41,6 @@ class SrtpTransport : public RtpTransport {
 
   virtual ~SrtpTransport() = default;
 
-  virtual RTCError SetSrtpSendKey(const cricket::CryptoParams& params);
-  virtual RTCError SetSrtpReceiveKey(const cricket::CryptoParams& params);
-
   bool SendRtpPacket(rtc::CopyOnWriteBuffer* packet,
                      const rtc::PacketOptions& options,
                      int flags) override;