diff --git a/quic/core/quic_connection.cc b/quic/core/quic_connection.cc
index ecab751..22ee18a 100644
--- a/quic/core/quic_connection.cc
+++ b/quic/core/quic_connection.cc
@@ -991,8 +991,12 @@
   // If the incoming ack's packets set expresses received packets: peer is still
   // acking packets which we never care about.
   // Send an ack to raise the high water mark.
-  const bool send_stop_waiting =
-      no_stop_waiting_frames_ ? false : GetLeastUnacked() > start;
+  bool send_stop_waiting = GetLeastUnacked() > start;
+  if (GetQuicReloadableFlag(quic_simplify_stop_waiting) &&
+      no_stop_waiting_frames_) {
+    QUIC_RELOADABLE_FLAG_COUNT(quic_simplify_stop_waiting);
+    send_stop_waiting = false;
+  }
   PostProcessAfterAckFrame(send_stop_waiting,
                            ack_result == PACKETS_NEWLY_ACKED);
   processing_ack_frame_ = false;