diff --git a/webrtc/video_engine/include/vie_codec.h b/webrtc/video_engine/include/vie_codec.h
index bddcc3a654..aaf017d2ba 100644
--- a/webrtc/video_engine/include/vie_codec.h
+++ b/webrtc/video_engine/include/vie_codec.h
@@ -38,8 +38,7 @@ class WEBRTC_DLLEXPORT ViEEncoderObserver {
 
   // This method is called whenever the state of the SuspendBelowMinBitrate
   // changes, i.e., when |is_suspended| toggles.
-  // TODO(hlundin): Remove the default implementation when possible.
-  virtual void SuspendChange(int video_channel, bool is_suspended) {}
+  virtual void SuspendChange(int video_channel, bool is_suspended) = 0;
 
  protected:
   virtual ~ViEEncoderObserver() {}
@@ -197,8 +196,7 @@ class WEBRTC_DLLEXPORT ViECodec {
   // |threshold_bps|, and turns back on when the rate goes back up above
   // |threshold_bps| + |window_bps|.
   // This is under development; not tested.
-  // TODO(hlundin): Remove the default implementation when possible.
-  virtual void SuspendBelowMinBitrate(int video_channel) {}
+  virtual void SuspendBelowMinBitrate(int video_channel) = 0;
 
  protected:
   ViECodec() {}