diff --git a/api/video/BUILD.gn b/api/video/BUILD.gn
index 356597c7aa..27e2096aca 100644
--- a/api/video/BUILD.gn
+++ b/api/video/BUILD.gn
@@ -185,6 +185,7 @@ rtc_source_set("video_stream_encoder") {
   ]
 
   deps = [
+    ":video_bitrate_allocator",
     ":video_bitrate_allocator_factory",
     ":video_frame",
 
diff --git a/api/video/video_stream_encoder_interface.h b/api/video/video_stream_encoder_interface.h
index 6a0adde734..0cd9ddcead 100644
--- a/api/video/video_stream_encoder_interface.h
+++ b/api/video/video_stream_encoder_interface.h
@@ -14,6 +14,7 @@
 #include <vector>
 
 #include "api/rtp_parameters.h"  // For DegradationPreference.
+#include "api/video/video_bitrate_allocator.h"
 #include "api/video/video_sink_interface.h"
 #include "api/video/video_source_interface.h"
 #include "api/video_codecs/video_encoder.h"
@@ -21,9 +22,6 @@
 
 namespace webrtc {
 
-// TODO(nisse): Move full declaration to api/.
-class VideoBitrateAllocationObserver;
-
 // This interface represents a class responsible for creating and driving the
 // encoder(s) for a single video stream. It is also responsible for adaptation
 // decisions related to video quality, requesting reduced frame rate or