diff --git a/pc/sctp_data_channel.cc b/pc/sctp_data_channel.cc
index 2ceef83936..f59dd1ec32 100644
--- a/pc/sctp_data_channel.cc
+++ b/pc/sctp_data_channel.cc
@@ -253,7 +253,7 @@ bool SctpDataChannel::reliable() const {
 
 uint64_t SctpDataChannel::buffered_amount() const {
   RTC_DCHECK_RUN_ON(signaling_thread_);
-  return buffered_amount_;
+  return queued_send_data_.byte_count();
 }
 
 void SctpDataChannel::Close() {
@@ -305,8 +305,6 @@ bool SctpDataChannel::Send(const DataBuffer& buffer) {
     return false;
   }
 
-  buffered_amount_ += buffer.size();
-
   // If the queue is non-empty, we're waiting for SignalReadyToSend,
   // so just add to the end of the queue and keep waiting.
   if (!queued_send_data_.Empty()) {
@@ -486,8 +484,6 @@ void SctpDataChannel::CloseAbruptlyWithError(RTCError error) {
   }
 
   // Closing abruptly means any queued data gets thrown away.
-  buffered_amount_ = 0;
-
   queued_send_data_.Clear();
   queued_control_data_.Clear();
 
@@ -643,8 +639,6 @@ bool SctpDataChannel::SendDataMessage(const DataBuffer& buffer,
     ++messages_sent_;
     bytes_sent_ += buffer.size();
 
-    RTC_DCHECK(buffered_amount_ >= buffer.size());
-    buffered_amount_ -= buffer.size();
     if (observer_ && buffer.size() > 0) {
       observer_->OnBufferedAmountChange(buffer.size());
     }
diff --git a/pc/sctp_data_channel.h b/pc/sctp_data_channel.h
index 0c3b95a225..56f99df3e5 100644
--- a/pc/sctp_data_channel.h
+++ b/pc/sctp_data_channel.h
@@ -266,9 +266,6 @@ class SctpDataChannel : public DataChannelInterface,
   uint64_t bytes_sent_ RTC_GUARDED_BY(signaling_thread_) = 0;
   uint32_t messages_received_ RTC_GUARDED_BY(signaling_thread_) = 0;
   uint64_t bytes_received_ RTC_GUARDED_BY(signaling_thread_) = 0;
-  // Number of bytes of data that have been queued using Send(). Increased
-  // before each transport send and decreased after each successful send.
-  uint64_t buffered_amount_ RTC_GUARDED_BY(signaling_thread_) = 0;
   SctpDataChannelProviderInterface* const provider_
       RTC_GUARDED_BY(signaling_thread_);
   HandshakeState handshake_state_ RTC_GUARDED_BY(signaling_thread_) =