diff --git a/quic/core/quic_sent_packet_manager.cc b/quic/core/quic_sent_packet_manager.cc
index a6c875b..92e6e84 100644
--- a/quic/core/quic_sent_packet_manager.cc
+++ b/quic/core/quic_sent_packet_manager.cc
@@ -104,8 +104,7 @@
       pto_exponential_backoff_start_point_(0),
       pto_rttvar_multiplier_(4),
       num_tlp_timeout_ptos_(0),
-      one_rtt_packet_acked_(false),
-      sanitize_ack_delay_(GetQuicReloadableFlag(quic_sanitize_ack_delay)) {
+      one_rtt_packet_acked_(false) {
   SetSendAlgorithm(congestion_control_type);
 }
 
@@ -1137,8 +1136,7 @@
                                             QuicTime ack_receive_time) {
   DCHECK(packets_acked_.empty());
   DCHECK_LE(largest_acked, unacked_packets_.largest_sent_packet());
-  if (sanitize_ack_delay_ && ack_delay_time > peer_max_ack_delay()) {
-    QUIC_RELOADABLE_FLAG_COUNT(quic_sanitize_ack_delay);
+  if (ack_delay_time > peer_max_ack_delay()) {
     ack_delay_time = peer_max_ack_delay();
   }
   rtt_updated_ =
diff --git a/quic/core/quic_sent_packet_manager.h b/quic/core/quic_sent_packet_manager.h
index 884b32e..61631c2 100644
--- a/quic/core/quic_sent_packet_manager.h
+++ b/quic/core/quic_sent_packet_manager.h
@@ -641,9 +641,6 @@
 
   // True if any 1-RTT packet gets acknowledged.
   bool one_rtt_packet_acked_;
-
-  // Latched value of quic_sanitize_ack_delay.
-  const bool sanitize_ack_delay_;
 };
 
 }  // namespace quic
diff --git a/quic/core/quic_sent_packet_manager_test.cc b/quic/core/quic_sent_packet_manager_test.cc
index d3eca0e..2449cd6 100644
--- a/quic/core/quic_sent_packet_manager_test.cc
+++ b/quic/core/quic_sent_packet_manager_test.cc
@@ -798,9 +798,7 @@
                                    ENCRYPTION_FORWARD_SECURE));
 
   QuicTime::Delta expected_rtt_sample =
-      GetQuicReloadableFlag(quic_sanitize_ack_delay)
-          ? send_delta - manager_.peer_max_ack_delay()
-          : send_delta - ack_delay;
+      send_delta - manager_.peer_max_ack_delay();
   EXPECT_EQ(expected_rtt_sample, manager_.GetRttStats()->latest_rtt());
 }