diff --git a/webrtc/api/mediastreaminterface.h b/webrtc/api/mediastreaminterface.h
index 7f56325024..f64d0006eb 100644
--- a/webrtc/api/mediastreaminterface.h
+++ b/webrtc/api/mediastreaminterface.h
@@ -25,17 +25,10 @@
 #include "webrtc/base/scoped_ref_ptr.h"
 #include "webrtc/base/optional.h"
 #include "webrtc/media/base/mediachannel.h"
+#include "webrtc/media/base/videoframe.h"
 #include "webrtc/media/base/videosinkinterface.h"
 #include "webrtc/media/base/videosourceinterface.h"
 
-namespace cricket {
-
-class AudioRenderer;
-class VideoRenderer;
-class VideoFrame;
-
-}  // namespace cricket
-
 namespace webrtc {
 
 // Generic observer interface.