diff --git a/webrtc/api/rtcstats_integrationtest.cc b/webrtc/api/rtcstats_integrationtest.cc
index b9e8ac276f..545f80165f 100644
--- a/webrtc/api/rtcstats_integrationtest.cc
+++ b/webrtc/api/rtcstats_integrationtest.cc
@@ -429,7 +429,6 @@ class RTCStatsReportVerifier {
     verifier.TestMemberIsDefined(media_stream_track.remote_source);
     verifier.TestMemberIsDefined(media_stream_track.ended);
     verifier.TestMemberIsDefined(media_stream_track.detached);
-    verifier.TestMemberIsUndefined(media_stream_track.ssrc_ids);
     // Video or audio media stream track?
     if (media_stream_track.frame_width.is_defined()) {
       // Video-only members
diff --git a/webrtc/api/stats/rtcstats_objects.h b/webrtc/api/stats/rtcstats_objects.h
index a006b38ba0..22c06e4fcb 100644
--- a/webrtc/api/stats/rtcstats_objects.h
+++ b/webrtc/api/stats/rtcstats_objects.h
@@ -239,8 +239,6 @@ class RTCMediaStreamTrackStats final : public RTCStats {
   // TODO(hbos): |RTCStatsCollector| does not return stats for detached tracks.
   // crbug.com/659137
   RTCStatsMember<bool> detached;
-  // TODO(hbos): Not collected by |RTCStatsCollector|. crbug.com/659137
-  RTCStatsMember<std::vector<std::string>> ssrc_ids;
   // Video-only members
   RTCStatsMember<uint32_t> frame_width;
   RTCStatsMember<uint32_t> frame_height;
diff --git a/webrtc/stats/rtcstats_objects.cc b/webrtc/stats/rtcstats_objects.cc
index 947cc32fad..59183ad60b 100644
--- a/webrtc/stats/rtcstats_objects.cc
+++ b/webrtc/stats/rtcstats_objects.cc
@@ -344,7 +344,6 @@ WEBRTC_RTCSTATS_IMPL(RTCMediaStreamTrackStats, RTCStats, "track",
     &remote_source,
     &ended,
     &detached,
-    &ssrc_ids,
     &frame_width,
     &frame_height,
     &frames_per_second,
@@ -371,7 +370,6 @@ RTCMediaStreamTrackStats::RTCMediaStreamTrackStats(
       remote_source("remoteSource"),
       ended("ended"),
       detached("detached"),
-      ssrc_ids("ssrcIds"),
       frame_width("frameWidth"),
       frame_height("frameHeight"),
       frames_per_second("framesPerSecond"),
@@ -394,7 +392,6 @@ RTCMediaStreamTrackStats::RTCMediaStreamTrackStats(
       remote_source(other.remote_source),
       ended(other.ended),
       detached(other.detached),
-      ssrc_ids(other.ssrc_ids),
       frame_width(other.frame_width),
       frame_height(other.frame_height),
       frames_per_second(other.frames_per_second),