diff --git a/quiche/quic/core/quic_sent_packet_manager_test.cc b/quiche/quic/core/quic_sent_packet_manager_test.cc
index ca83497..09a2541 100644
--- a/quiche/quic/core/quic_sent_packet_manager_test.cc
+++ b/quiche/quic/core/quic_sent_packet_manager_test.cc
@@ -5,6 +5,8 @@
 #include "quiche/quic/core/quic_sent_packet_manager.h"
 
 #include <algorithm>
+#include <cstddef>
+#include <cstdint>
 #include <memory>
 #include <optional>
 #include <utility>
@@ -12,17 +14,35 @@
 
 #include "absl/base/macros.h"
 #include "absl/strings/string_view.h"
+#include "quiche/quic/core/congestion_control/loss_detection_interface.h"
+#include "quiche/quic/core/congestion_control/rtt_stats.h"
+#include "quiche/quic/core/crypto/crypto_protocol.h"
+#include "quiche/quic/core/crypto/quic_random.h"
 #include "quiche/quic/core/frames/quic_ack_frame.h"
 #include "quiche/quic/core/frames/quic_ack_frequency_frame.h"
+#include "quiche/quic/core/frames/quic_frame.h"
+#include "quiche/quic/core/frames/quic_message_frame.h"
+#include "quiche/quic/core/frames/quic_path_challenge_frame.h"
+#include "quiche/quic/core/frames/quic_ping_frame.h"
+#include "quiche/quic/core/frames/quic_stream_frame.h"
+#include "quiche/quic/core/quic_bandwidth.h"
+#include "quiche/quic/core/quic_constants.h"
 #include "quiche/quic/core/quic_packet_number.h"
+#include "quiche/quic/core/quic_packets.h"
+#include "quiche/quic/core/quic_tag.h"
 #include "quiche/quic/core/quic_time.h"
 #include "quiche/quic/core/quic_types.h"
+#include "quiche/quic/core/quic_unacked_packet_map.h"
 #include "quiche/quic/platform/api/quic_flags.h"
 #include "quiche/quic/platform/api/quic_test.h"
+#include "quiche/quic/test_tools/mock_clock.h"
 #include "quiche/quic/test_tools/quic_config_peer.h"
 #include "quiche/quic/test_tools/quic_sent_packet_manager_peer.h"
 #include "quiche/quic/test_tools/quic_test_utils.h"
+#include "quiche/common/platform/api/quiche_test.h"
+#include "quiche/common/quiche_buffer_allocator.h"
 #include "quiche/common/quiche_mem_slice.h"
+#include "quiche/common/simple_buffer_allocator.h"
 
 using testing::_;
 using testing::AnyNumber;