diff --git a/modules/audio_coding/neteq/tools/input_audio_file.h b/modules/audio_coding/neteq/tools/input_audio_file.h
index f538b295a3..e885bb39eb 100644
--- a/modules/audio_coding/neteq/tools/input_audio_file.h
+++ b/modules/audio_coding/neteq/tools/input_audio_file.h
@@ -11,6 +11,7 @@
 #ifndef MODULES_AUDIO_CODING_NETEQ_TOOLS_INPUT_AUDIO_FILE_H_
 #define MODULES_AUDIO_CODING_NETEQ_TOOLS_INPUT_AUDIO_FILE_H_
 
+#include <stdint.h>
 #include <stdio.h>
 
 #include <string>
diff --git a/modules/rtp_rtcp/source/rtp_packetizer_av1_test_helper.cc b/modules/rtp_rtcp/source/rtp_packetizer_av1_test_helper.cc
index 3d62bcef44..377317e748 100644
--- a/modules/rtp_rtcp/source/rtp_packetizer_av1_test_helper.cc
+++ b/modules/rtp_rtcp/source/rtp_packetizer_av1_test_helper.cc
@@ -8,13 +8,14 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#include "modules/rtp_rtcp/source/rtp_packetizer_av1_test_helper.h"
-
+#include <stddef.h>
 #include <stdint.h>
 
 #include <initializer_list>
 #include <vector>
 
+#include "modules/rtp_rtcp/source/rtp_packetizer_av1_test_helper.h"
+
 namespace webrtc {
 
 Av1Obu::Av1Obu(uint8_t obu_type) : header_(obu_type | kAv1ObuSizePresentBit) {}