diff --git a/webrtc/modules/video_coding/codecs/vp8/vp8_impl.cc b/webrtc/modules/video_coding/codecs/vp8/vp8_impl.cc
index a3495ee53a..4e30986e82 100644
--- a/webrtc/modules/video_coding/codecs/vp8/vp8_impl.cc
+++ b/webrtc/modules/video_coding/codecs/vp8/vp8_impl.cc
@@ -648,9 +648,7 @@ int VP8EncoderImpl::Encode(const VideoFrame& frame,
 
   rtc::scoped_refptr<VideoFrameBuffer> input_image = frame.video_frame_buffer();
   // Since we are extracting raw pointers from |input_image| to
-  // |raw_images_[0]|, the resolution of these frames must match. Note that
-  // |input_image| might be scaled from |frame|. In that case, the resolution of
-  // |raw_images_[0]| should have been updated in UpdateCodecFrameSize.
+  // |raw_images_[0]|, the resolution of these frames must match.
   RTC_DCHECK_EQ(input_image->width(), raw_images_[0].d_w);
   RTC_DCHECK_EQ(input_image->height(), raw_images_[0].d_h);
 
@@ -769,34 +767,6 @@ int VP8EncoderImpl::Encode(const VideoFrame& frame,
   return GetEncodedPartitions(frame);
 }
 
-// TODO(pbos): Make sure this works for properly for >1 encoders.
-int VP8EncoderImpl::UpdateCodecFrameSize(int width, int height) {
-  codec_.width = width;
-  codec_.height = height;
-  if (codec_.numberOfSimulcastStreams <= 1) {
-    // For now scaling is only used for single-layer streams.
-    codec_.simulcastStream[0].width = width;
-    codec_.simulcastStream[0].height = height;
-  }
-  // Update the cpu_speed setting for resolution change.
-  vpx_codec_control(&(encoders_[0]), VP8E_SET_CPUUSED,
-                    SetCpuSpeed(codec_.width, codec_.height));
-  raw_images_[0].w = codec_.width;
-  raw_images_[0].h = codec_.height;
-  raw_images_[0].d_w = codec_.width;
-  raw_images_[0].d_h = codec_.height;
-  vpx_img_set_rect(&raw_images_[0], 0, 0, codec_.width, codec_.height);
-
-  // Update encoder context for new frame size.
-  // Change of frame size will automatically trigger a key frame.
-  configurations_[0].g_w = codec_.width;
-  configurations_[0].g_h = codec_.height;
-  if (vpx_codec_enc_config_set(&encoders_[0], &configurations_[0])) {
-    return WEBRTC_VIDEO_CODEC_ERROR;
-  }
-  return WEBRTC_VIDEO_CODEC_OK;
-}
-
 void VP8EncoderImpl::PopulateCodecSpecific(
     CodecSpecificInfo* codec_specific,
     const vpx_codec_cx_pkt_t& pkt,
diff --git a/webrtc/modules/video_coding/codecs/vp8/vp8_impl.h b/webrtc/modules/video_coding/codecs/vp8/vp8_impl.h
index 858cf57b15..c333436026 100644
--- a/webrtc/modules/video_coding/codecs/vp8/vp8_impl.h
+++ b/webrtc/modules/video_coding/codecs/vp8/vp8_impl.h
@@ -75,9 +75,6 @@ class VP8EncoderImpl : public VP8Encoder {
   // Call encoder initialize function and set control settings.
   int InitAndSetControlSettings();
 
-  // Update frame size for codec.
-  int UpdateCodecFrameSize(int width, int height);
-
   void PopulateCodecSpecific(CodecSpecificInfo* codec_specific,
                              const vpx_codec_cx_pkt& pkt,
                              int stream_idx,