diff --git a/webrtc/base/buffer.h b/webrtc/base/buffer.h
index 07345a96a..c7fb95994 100644
--- a/webrtc/base/buffer.h
+++ b/webrtc/base/buffer.h
@@ -34,10 +34,6 @@ class Buffer {
   size_t size() const { return size_; }
   size_t capacity() const { return capacity_; }
 
-  // For backwards compatibility. TODO(kwiberg): Remove once Chromium doesn't
-  // need it anymore.
-  size_t length() const { return size(); }
-
   Buffer& operator=(const Buffer& buf) {
     if (&buf != this) {
       Construct(buf.data(), buf.size(), buf.size());
diff --git a/webrtc/modules/rtp_rtcp/source/rtp_sender_unittest.cc b/webrtc/modules/rtp_rtcp/source/rtp_sender_unittest.cc
index d04c63642..8a85fbe36 100644
--- a/webrtc/modules/rtp_rtcp/source/rtp_sender_unittest.cc
+++ b/webrtc/modules/rtp_rtcp/source/rtp_sender_unittest.cc
@@ -1361,7 +1361,7 @@ TEST_F(RtpSenderVideoTest, SendVideoWithCVO) {
   // Verify that this packet does have CVO byte.
   VerifyCVOPacket(
       reinterpret_cast<uint8_t*>(transport_.sent_packets_[0]->data()),
-      transport_.sent_packets_[0]->length(), true, &map, kSeqNum, hdr.rotation);
+      transport_.sent_packets_[0]->size(), true, &map, kSeqNum, hdr.rotation);
 
   // Verify that this packet does have CVO byte.
   VerifyCVOPacket(