diff --git a/quic/core/quic_connection.h b/quic/core/quic_connection.h
index 6782e06..969da12 100644
--- a/quic/core/quic_connection.h
+++ b/quic/core/quic_connection.h
@@ -1420,9 +1420,8 @@
   // a connection close packet is sent, but not after.
   ConnectionCloseBehavior idle_timeout_connection_close_behavior_;
 
-  // When true, close the QUIC connection after 5 RTOs.  Due to the min rto of
-  // 200ms, this is over 5 seconds.
-  bool close_connection_after_five_rtos_;
+  // When > 0, close the QUIC connection after this number of RTOs.
+  size_t num_rtos_for_blackhole_detection_;
 
   UberReceivedPacketManager uber_received_packet_manager_;
 
@@ -1640,10 +1639,6 @@
   // Indicates whether received RETRY packets should be dropped.
   bool drop_incoming_retry_packets_;
 
-  // If max_consecutive_ptos_ > 0, close connection if consecutive PTOs is
-  // greater than max_consecutive_ptos.
-  size_t max_consecutive_ptos_;
-
   // Bytes received before address validation. Only used when
   // EnforceAntiAmplificationLimit returns true.
   size_t bytes_received_before_address_validation_;