diff --git a/net/dcsctp/public/dcsctp_options.h b/net/dcsctp/public/dcsctp_options.h
index 2ac2aff9bf..c394552e22 100644
--- a/net/dcsctp/public/dcsctp_options.h
+++ b/net/dcsctp/public/dcsctp_options.h
@@ -143,9 +143,6 @@ struct DcSctpOptions {
   // https://datatracker.ietf.org/doc/html/rfc6298#section-4.
   DurationMs min_rtt_variance = DurationMs(220);
 
-  // Do slow start as TCP - double cwnd instead of increasing it by MTU.
-  bool slow_start_tcp_style = false;
-
   // The initial congestion window size, in number of MTUs.
   // See https://tools.ietf.org/html/rfc4960#section-7.2.1 which defaults at ~3
   // and https://research.google/pubs/pub36640/ which argues for at least ten
diff --git a/net/dcsctp/tx/retransmission_queue.cc b/net/dcsctp/tx/retransmission_queue.cc
index 57154b30db..d45c274108 100644
--- a/net/dcsctp/tx/retransmission_queue.cc
+++ b/net/dcsctp/tx/retransmission_queue.cc
@@ -249,11 +249,7 @@ void RetransmissionQueue::HandleIncreasedCumulativeTsnAck(
       // conditions are met, then cwnd MUST be increased by, at most, the
       // lesser of 1) the total size of the previously outstanding DATA
       // chunk(s) acknowledged, and 2) the destination's path MTU."
-      if (options_.slow_start_tcp_style) {
-        cwnd_ += std::min(total_bytes_acked, cwnd_);
-      } else {
-        cwnd_ += std::min(total_bytes_acked, options_.mtu);
-      }
+      cwnd_ += std::min(total_bytes_acked, options_.mtu);
       RTC_DLOG(LS_VERBOSE) << log_prefix_ << "SS increase cwnd=" << cwnd_
                            << " (" << old_cwnd << ")";
     }