diff --git a/quic/core/quic_connection.cc b/quic/core/quic_connection.cc
index 8ab5bf9..64636bf 100644
--- a/quic/core/quic_connection.cc
+++ b/quic/core/quic_connection.cc
@@ -5284,11 +5284,7 @@
   }
   // There could be pending NEW_TOKEN_FRAME triggered by non-probing
   // PATH_RESPONSE_FRAME in the same packet.
-  if (GetQuicReloadableFlag(
-          quic_flush_pending_frame_before_updating_default_path) &&
-      packet_creator_.HasPendingFrames()) {
-    QUICHE_RELOADABLE_FLAG_COUNT(
-        quic_flush_pending_frame_before_updating_default_path);
+  if (packet_creator_.HasPendingFrames()) {
     packet_creator_.FlushCurrentPacket();
     if (!connected_) {
       return;
diff --git a/quic/core/quic_connection_test.cc b/quic/core/quic_connection_test.cc
index 85c0abd..cc94971 100644
--- a/quic/core/quic_connection_test.cc
+++ b/quic/core/quic_connection_test.cc
@@ -2068,9 +2068,7 @@
 TEST_P(QuicConnectionTest,
        ReversePathValidationResponseReceivedFromUnexpectedPeerAddress) {
   set_perspective(Perspective::IS_SERVER);
-  if (!GetQuicReloadableFlag(
-          quic_flush_pending_frame_before_updating_default_path) ||
-      !connection_.connection_migration_use_new_cid()) {
+  if (!connection_.connection_migration_use_new_cid()) {
     return;
   }
   QuicPacketCreatorPeer::SetSendVersionInPacket(creator_, false);
diff --git a/quic/core/quic_flags_list.h b/quic/core/quic_flags_list.h
index 340f9f3..5945ed6 100644
--- a/quic/core/quic_flags_list.h
+++ b/quic/core/quic_flags_list.h
@@ -69,8 +69,6 @@
 QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_drop_unsent_path_response, true)
 // If true, enable server retransmittable on wire PING.
 QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_enable_server_on_wire_ping, true)
-// If true, flush any pending frame before default path is about to be updated.
-QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_flush_pending_frame_before_updating_default_path, true)
 // If true, ignore peer_max_ack_delay during handshake.
 QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_ignore_peer_max_ack_delay_during_handshake, true)
 // If true, include stream information in idle timeout connection close detail.