diff --git a/webrtc/common_audio/resampler/push_sinc_resampler.cc b/webrtc/common_audio/resampler/push_sinc_resampler.cc
index 3469ff3f84..027555902b 100644
--- a/webrtc/common_audio/resampler/push_sinc_resampler.cc
+++ b/webrtc/common_audio/resampler/push_sinc_resampler.cc
@@ -10,6 +10,7 @@
 
 #include "webrtc/common_audio/include/audio_util.h"
 
+#include <assert.h>
 #include <string.h>
 
 #include "webrtc/common_audio/resampler/push_sinc_resampler.h"
diff --git a/webrtc/common_audio/resampler/sinc_resampler.cc b/webrtc/common_audio/resampler/sinc_resampler.cc
index 5029934684..84f8125b59 100644
--- a/webrtc/common_audio/resampler/sinc_resampler.cc
+++ b/webrtc/common_audio/resampler/sinc_resampler.cc
@@ -90,6 +90,7 @@
 #include "webrtc/system_wrappers/interface/cpu_features_wrapper.h"
 #include "webrtc/typedefs.h"
 
+#include <assert.h>
 #include <math.h>
 #include <string.h>
 
diff --git a/webrtc/common_video/interface/i420_video_frame.h b/webrtc/common_video/interface/i420_video_frame.h
index 4579484deb..3f90a8e27c 100644
--- a/webrtc/common_video/interface/i420_video_frame.h
+++ b/webrtc/common_video/interface/i420_video_frame.h
@@ -15,6 +15,8 @@
 //
 // Storing and handling of YUV (I420) video frames.
 
+#include <assert.h>
+
 #include "webrtc/common_video/plane.h"
 #include "webrtc/system_wrappers/interface/scoped_refptr.h"
 #include "webrtc/typedefs.h"
diff --git a/webrtc/modules/audio_coding/main/acm2/acm_resampler.cc b/webrtc/modules/audio_coding/main/acm2/acm_resampler.cc
index 4737927533..97d87b1b3a 100644
--- a/webrtc/modules/audio_coding/main/acm2/acm_resampler.cc
+++ b/webrtc/modules/audio_coding/main/acm2/acm_resampler.cc
@@ -10,6 +10,7 @@
 
 #include "webrtc/modules/audio_coding/main/acm2/acm_resampler.h"
 
+#include <assert.h>
 #include <string.h>
 
 #include "webrtc/common_audio/resampler/include/resampler.h"
diff --git a/webrtc/modules/audio_processing/common.h b/webrtc/modules/audio_processing/common.h
index e4ac6ee0d1..42454df299 100644
--- a/webrtc/modules/audio_processing/common.h
+++ b/webrtc/modules/audio_processing/common.h
@@ -11,6 +11,7 @@
 #ifndef WEBRTC_MODULES_AUDIO_PROCESSING_COMMON_H_
 #define WEBRTC_MODULES_AUDIO_PROCESSING_COMMON_H_
 
+#include <assert.h>
 #include <string.h>
 
 #include "webrtc/modules/audio_processing/include/audio_processing.h"
diff --git a/webrtc/modules/desktop_capture/mouse_cursor.cc b/webrtc/modules/desktop_capture/mouse_cursor.cc
index 07c89f043a..22a9c0ee8c 100644
--- a/webrtc/modules/desktop_capture/mouse_cursor.cc
+++ b/webrtc/modules/desktop_capture/mouse_cursor.cc
@@ -10,6 +10,8 @@
 
 #include "webrtc/modules/desktop_capture/mouse_cursor.h"
 
+#include <assert.h>
+
 #include "webrtc/modules/desktop_capture/desktop_frame.h"
 
 namespace webrtc {
diff --git a/webrtc/modules/desktop_capture/screen_capture_frame_queue.cc b/webrtc/modules/desktop_capture/screen_capture_frame_queue.cc
index b045f05267..45a3507b92 100644
--- a/webrtc/modules/desktop_capture/screen_capture_frame_queue.cc
+++ b/webrtc/modules/desktop_capture/screen_capture_frame_queue.cc
@@ -10,6 +10,7 @@
 
 #include "webrtc/modules/desktop_capture/screen_capture_frame_queue.h"
 
+#include <assert.h>
 #include <algorithm>
 
 #include "webrtc/modules/desktop_capture/desktop_frame.h"
diff --git a/webrtc/modules/desktop_capture/screen_capturer_helper.cc b/webrtc/modules/desktop_capture/screen_capturer_helper.cc
index 75af043c84..86761c170f 100644
--- a/webrtc/modules/desktop_capture/screen_capturer_helper.cc
+++ b/webrtc/modules/desktop_capture/screen_capturer_helper.cc
@@ -10,6 +10,7 @@
 
 #include "webrtc/modules/desktop_capture/screen_capturer_helper.h"
 
+#include <assert.h>
 #include <algorithm>
 
 #include "webrtc/system_wrappers/interface/logging.h"
diff --git a/webrtc/modules/remote_bitrate_estimator/rate_statistics.cc b/webrtc/modules/remote_bitrate_estimator/rate_statistics.cc
index 4a9b448810..48485ffb55 100644
--- a/webrtc/modules/remote_bitrate_estimator/rate_statistics.cc
+++ b/webrtc/modules/remote_bitrate_estimator/rate_statistics.cc
@@ -10,6 +10,8 @@
 
 #include "webrtc/modules/remote_bitrate_estimator/rate_statistics.h"
 
+#include <assert.h>
+
 namespace webrtc {
 
 RateStatistics::RateStatistics(uint32_t window_size_ms, float scale)
diff --git a/webrtc/test/testsupport/fileutils.cc b/webrtc/test/testsupport/fileutils.cc
index 9d04ab0238..a3e66201fa 100644
--- a/webrtc/test/testsupport/fileutils.cc
+++ b/webrtc/test/testsupport/fileutils.cc
@@ -10,8 +10,9 @@
 
 #include "webrtc/test/testsupport/fileutils.h"
 
-#ifdef WIN32
 #include <assert.h>
+
+#ifdef WIN32
 #include <direct.h>
 #include <tchar.h>
 #include <windows.h>