diff --git a/quic/test_tools/quic_sent_packet_manager_peer.cc b/quic/test_tools/quic_sent_packet_manager_peer.cc
index b680f66..7b3977e 100644
--- a/quic/test_tools/quic_sent_packet_manager_peer.cc
+++ b/quic/test_tools/quic_sent_packet_manager_peer.cc
@@ -86,18 +86,9 @@
   if (!HasRetransmittableFrames(sent_packet_manager, packet_number)) {
     return false;
   }
-  if (sent_packet_manager->session_decides_what_to_write()) {
-    return sent_packet_manager->unacked_packets_
-               .GetTransmissionInfo(QuicPacketNumber(packet_number))
-               .transmission_type != NOT_RETRANSMISSION;
-  }
-  for (auto transmission_info : sent_packet_manager->unacked_packets_) {
-    if (transmission_info.retransmission.IsInitialized() &&
-        transmission_info.retransmission == QuicPacketNumber(packet_number)) {
-      return true;
-    }
-  }
-  return false;
+  return sent_packet_manager->unacked_packets_
+             .GetTransmissionInfo(QuicPacketNumber(packet_number))
+             .transmission_type != NOT_RETRANSMISSION;
 }
 
 // static