diff --git a/api/stats/rtc_stats_report.h b/api/stats/rtc_stats_report.h
index 6b013bff64..dc15937690 100644
--- a/api/stats/rtc_stats_report.h
+++ b/api/stats/rtc_stats_report.h
@@ -33,7 +33,7 @@ class RTC_EXPORT RTCStatsReport : public rtc::RefCountInterface {
  public:
   typedef std::map<std::string, std::unique_ptr<const RTCStats>> StatsMap;
 
-  class ConstIterator {
+  class RTC_EXPORT ConstIterator {
    public:
     ConstIterator(ConstIterator&& other);
     ~ConstIterator();
diff --git a/api/video_codecs/video_encoder.h b/api/video_codecs/video_encoder.h
index fbbd4ed949..a112f26d90 100644
--- a/api/video_codecs/video_encoder.h
+++ b/api/video_codecs/video_encoder.h
@@ -144,7 +144,7 @@ class RTC_EXPORT VideoEncoder {
   };
 
   // Struct containing metadata about the encoder implementing this interface.
-  struct EncoderInfo {
+  struct RTC_EXPORT EncoderInfo {
     static constexpr uint8_t kMaxFramerateFraction =
         std::numeric_limits<uint8_t>::max();
 
diff --git a/modules/desktop_capture/desktop_region.h b/modules/desktop_capture/desktop_region.h
index cc0b78dae5..1aa95d097b 100644
--- a/modules/desktop_capture/desktop_region.h
+++ b/modules/desktop_capture/desktop_region.h
@@ -67,7 +67,7 @@ class RTC_EXPORT DesktopRegion {
  public:
   // Iterator that can be used to iterate over rectangles of a DesktopRegion.
   // The region must not be mutated while the iterator is used.
-  class Iterator {
+  class RTC_EXPORT Iterator {
    public:
     explicit Iterator(const DesktopRegion& target);
     ~Iterator();
diff --git a/modules/desktop_capture/win/desktop.h b/modules/desktop_capture/win/desktop.h
index 46cedae18c..4d754190b5 100644
--- a/modules/desktop_capture/win/desktop.h
+++ b/modules/desktop_capture/win/desktop.h
@@ -16,10 +16,11 @@
 #include <string>
 
 #include "rtc_base/constructor_magic.h"
+#include "rtc_base/system/rtc_export.h"
 
 namespace webrtc {
 
-class Desktop {
+class RTC_EXPORT Desktop {
  public:
   ~Desktop();
 
diff --git a/modules/desktop_capture/win/scoped_thread_desktop.h b/modules/desktop_capture/win/scoped_thread_desktop.h
index deabefa5f4..2eee674cfb 100644
--- a/modules/desktop_capture/win/scoped_thread_desktop.h
+++ b/modules/desktop_capture/win/scoped_thread_desktop.h
@@ -16,12 +16,13 @@
 #include <memory>
 
 #include "rtc_base/constructor_magic.h"
+#include "rtc_base/system/rtc_export.h"
 
 namespace webrtc {
 
 class Desktop;
 
-class ScopedThreadDesktop {
+class RTC_EXPORT ScopedThreadDesktop {
  public:
   ScopedThreadDesktop();
   ~ScopedThreadDesktop();
diff --git a/modules/desktop_capture/win/screen_capturer_win_directx.h b/modules/desktop_capture/win/screen_capturer_win_directx.h
index ba417e778a..feeddff8fc 100644
--- a/modules/desktop_capture/win/screen_capturer_win_directx.h
+++ b/modules/desktop_capture/win/screen_capturer_win_directx.h
@@ -23,11 +23,12 @@
 #include "modules/desktop_capture/screen_capture_frame_queue.h"
 #include "modules/desktop_capture/win/dxgi_duplicator_controller.h"
 #include "modules/desktop_capture/win/dxgi_frame.h"
+#include "rtc_base/system/rtc_export.h"
 
 namespace webrtc {
 
 // ScreenCapturerWinDirectx captures 32bit RGBA using DirectX.
-class ScreenCapturerWinDirectx : public DesktopCapturer {
+class RTC_EXPORT ScreenCapturerWinDirectx : public DesktopCapturer {
  public:
   using D3dInfo = DxgiDuplicatorController::D3dInfo;