diff --git a/test/fuzzers/BUILD.gn b/test/fuzzers/BUILD.gn
index aafe2d96ed..ccc15a6100 100644
--- a/test/fuzzers/BUILD.gn
+++ b/test/fuzzers/BUILD.gn
@@ -218,6 +218,7 @@ webrtc_fuzzer_test("rtcp_receiver_fuzzer") {
   ]
   deps = [
     "../../modules/rtp_rtcp",
+    "../../modules/rtp_rtcp:rtp_rtcp_format",
     "../../rtc_base:checks",
     "../../rtc_base:rtc_base_approved",
     "../../system_wrappers:system_wrappers",
diff --git a/test/fuzzers/audio_processing_fuzzer_helper.cc b/test/fuzzers/audio_processing_fuzzer_helper.cc
index 9989111c4d..073ab17bd9 100644
--- a/test/fuzzers/audio_processing_fuzzer_helper.cc
+++ b/test/fuzzers/audio_processing_fuzzer_helper.cc
@@ -30,7 +30,7 @@ void GenerateFloatFrame(test::FuzzDataHelper* fuzz_data,
                         size_t num_channels,
                         float* const* float_frames) {
   const size_t samples_per_input_channel =
-      rtc::CheckedDivExact(input_rate, 100ul);
+      rtc::CheckedDivExact(input_rate, static_cast<size_t>(100));
   RTC_DCHECK_LE(samples_per_input_channel, 480);
   for (size_t i = 0; i < num_channels; ++i) {
     std::fill(float_frames[i], float_frames[i] + samples_per_input_channel, 0);
@@ -55,7 +55,7 @@ void GenerateFixedFrame(test::FuzzDataHelper* fuzz_data,
                         size_t num_channels,
                         AudioFrame* fixed_frame) {
   const size_t samples_per_input_channel =
-      rtc::CheckedDivExact(input_rate, 100ul);
+      rtc::CheckedDivExact(input_rate, static_cast<size_t>(100));
   fixed_frame->samples_per_channel_ = samples_per_input_channel;
   fixed_frame->sample_rate_hz_ = input_rate;
   fixed_frame->num_channels_ = num_channels;
diff --git a/test/fuzzers/packet_buffer_fuzzer.cc b/test/fuzzers/packet_buffer_fuzzer.cc
index 8ad21e1417..d226764cb2 100644
--- a/test/fuzzers/packet_buffer_fuzzer.cc
+++ b/test/fuzzers/packet_buffer_fuzzer.cc
@@ -8,6 +8,7 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
+#include "modules/video_coding/frame_object.h"
 #include "modules/video_coding/packet_buffer.h"
 #include "system_wrappers/include/clock.h"
 #include "test/fuzzers/fuzz_data_helper.h"
diff --git a/test/fuzzers/rtcp_receiver_fuzzer.cc b/test/fuzzers/rtcp_receiver_fuzzer.cc
index d87e002f67..cd763d0f60 100644
--- a/test/fuzzers/rtcp_receiver_fuzzer.cc
+++ b/test/fuzzers/rtcp_receiver_fuzzer.cc
@@ -7,6 +7,7 @@
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
+#include "modules/rtp_rtcp/source/rtcp_packet/tmmb_item.h"
 #include "modules/rtp_rtcp/source/rtcp_receiver.h"
 #include "rtc_base/checks.h"
 #include "system_wrappers/include/clock.h"