diff --git a/api/test/mock_video_encoder.h b/api/test/mock_video_encoder.h
index b4ae27106a..26d758fd6a 100644
--- a/api/test/mock_video_encoder.h
+++ b/api/test/mock_video_encoder.h
@@ -26,10 +26,6 @@ class MockEncodedImageCallback : public EncodedImageCallback {
                const CodecSpecificInfo*,
                const RTPFragmentationHeader*),
               (override));
-  MOCK_METHOD(Result,
-              OnEncodedImage,
-              (const EncodedImage&, const CodecSpecificInfo*),
-              (override));
   MOCK_METHOD(void, OnDroppedFrame, (DropReason reason), (override));
 };
 
diff --git a/api/video_codecs/video_encoder.cc b/api/video_codecs/video_encoder.cc
index ab946a26e0..4427d6c1f1 100644
--- a/api/video_codecs/video_encoder.cc
+++ b/api/video_codecs/video_encoder.cc
@@ -18,19 +18,6 @@
 
 namespace webrtc {
 
-EncodedImageCallback::Result EncodedImageCallback::OnEncodedImage(
-    const EncodedImage& encoded_image,
-    const CodecSpecificInfo* codec_specific_info,
-    const RTPFragmentationHeader* /*fragmentation*/) {
-  return OnEncodedImage(encoded_image, codec_specific_info);
-}
-
-EncodedImageCallback::Result EncodedImageCallback::OnEncodedImage(
-    const EncodedImage& encoded_image,
-    const CodecSpecificInfo* codec_specific_info) {
-  return OnEncodedImage(encoded_image, codec_specific_info, nullptr);
-}
-
 // TODO(mflodman): Add default complexity for VP9 and VP9.
 VideoCodecVP8 VideoEncoder::GetDefaultVp8Settings() {
   VideoCodecVP8 vp8_settings;
diff --git a/api/video_codecs/video_encoder.h b/api/video_codecs/video_encoder.h
index c5b855349a..064dc8ffb5 100644
--- a/api/video_codecs/video_encoder.h
+++ b/api/video_codecs/video_encoder.h
@@ -73,16 +73,10 @@ class EncodedImageCallback {
   };
 
   // Callback function which is called when an image has been encoded.
-  // Deprecated, use OnEncodedImage below instead, see bugs.webrtc.org/6471
-  virtual Result OnEncodedImage(const EncodedImage& encoded_image,
-                                const CodecSpecificInfo* codec_specific_info,
-                                const RTPFragmentationHeader* fragmentation);
-
-  // Callback function which is called when an image has been encoded.
-  // TODO(bugs.webrtc.org/6471): Make pure virtual
-  // when OnEncodedImage above is deleted.
-  virtual Result OnEncodedImage(const EncodedImage& encoded_image,
-                                const CodecSpecificInfo* codec_specific_info);
+  virtual Result OnEncodedImage(
+      const EncodedImage& encoded_image,
+      const CodecSpecificInfo* codec_specific_info,
+      const RTPFragmentationHeader* fragmentation) = 0;
 
   virtual void OnDroppedFrame(DropReason reason) {}
 };