diff --git a/api/video_codecs/video_encoder.cc b/api/video_codecs/video_encoder.cc
index 363edbfd2f..135687c970 100644
--- a/api/video_codecs/video_encoder.cc
+++ b/api/video_codecs/video_encoder.cc
@@ -123,8 +123,4 @@ VideoEncoder::EncoderInfo VideoEncoder::GetEncoderInfo() const {
   info.implementation_name = ImplementationName();
   return info;
 }
-
-int32_t VideoEncoder::SetChannelParameters(uint32_t packet_loss, int64_t rtt) {
-  return 0;
-}
 }  // namespace webrtc
diff --git a/api/video_codecs/video_encoder.h b/api/video_codecs/video_encoder.h
index d881f8ac64..e7deb7dbb9 100644
--- a/api/video_codecs/video_encoder.h
+++ b/api/video_codecs/video_encoder.h
@@ -202,17 +202,6 @@ class RTC_EXPORT VideoEncoder {
                          const CodecSpecificInfo* codec_specific_info,
                          const std::vector<FrameType>* frame_types) = 0;
 
-  // Inform the encoder of the new packet loss rate and the round-trip time of
-  // the network.
-  //
-  // Input:
-  //          - packet_loss : Fraction lost
-  //                          (loss rate in percent = 100 * packetLoss / 255)
-  //          - rtt         : Round-trip time in milliseconds
-  // Return value           : WEBRTC_VIDEO_CODEC_OK if OK
-  //                          <0 - Errors: WEBRTC_VIDEO_CODEC_ERROR
-  virtual int32_t SetChannelParameters(uint32_t packet_loss, int64_t rtt);
-
   // Inform the encoder about the new target bit rate.
   //
   // Input:
diff --git a/sdk/android/api/org/webrtc/VideoEncoder.java b/sdk/android/api/org/webrtc/VideoEncoder.java
index beb47dff35..afc5cd0239 100644
--- a/sdk/android/api/org/webrtc/VideoEncoder.java
+++ b/sdk/android/api/org/webrtc/VideoEncoder.java
@@ -210,19 +210,6 @@ public interface VideoEncoder {
    */
   @CalledByNative VideoCodecStatus encode(VideoFrame frame, EncodeInfo info);
 
-  /**
-   * Informs the encoder of the packet loss and the round-trip time of the network.
-   *
-   * @param packetLoss How many packets are lost on average per 255 packets.
-   * @param roundTripTimeMs Round-trip time of the network in milliseconds.
-   */
-  // TODO(webrtc:9946): Remove this function when downstream projects have been
-  //                    updated.
-  @Deprecated
-  default VideoCodecStatus setChannelParameters(short packetLoss, long roundTripTimeMs) {
-    return VideoCodecStatus.OK;
-  }
-
   /** Sets the bitrate allocation and the target framerate for the encoder. */
   @CalledByNative VideoCodecStatus setRateAllocation(BitrateAllocation allocation, int framerate);