diff --git a/talk/owt/sdk/base/webrtcvideorendererimpl.cc b/talk/owt/sdk/base/webrtcvideorendererimpl.cc
index d065bf08..00c55de1 100644
--- a/talk/owt/sdk/base/webrtcvideorendererimpl.cc
+++ b/talk/owt/sdk/base/webrtcvideorendererimpl.cc
@@ -9,7 +9,6 @@
 #include <d3d9.h>
 #include <dxva2api.h>
 #endif
-#include "rtc_base/logging.h"
 #include "talk/owt/sdk/base/nativehandlebuffer.h"
 #include "talk/owt/sdk/base/webrtcvideorendererimpl.h"
 #if defined(WEBRTC_WIN)
@@ -72,18 +71,13 @@ void WebrtcVideoRendererImpl::OnFrame(const webrtc::VideoFrame& frame) {
         (uint8_t*)render_ptr, resolution, VideoBufferType::kD3D11});
 
     renderer_.RenderFrame(std::move(video_buffer));
-    return;
 #else
     return;
 #endif
   }
-
-  // Non-native buffer. Only for I444 buffer and I444 renderer, we do a
-  // direct copy. Otherwise we convert to renderer type.
   VideoRendererType renderer_type = renderer_.Type();
   if (renderer_type != VideoRendererType::kI420 &&
-      renderer_type != VideoRendererType::kARGB &&
-      renderer_type != VideoRendererType::kI444)
+      renderer_type != VideoRendererType::kARGB)
     return;
   Resolution resolution(frame.width(), frame.height());
   if (renderer_type == VideoRendererType::kARGB) {
@@ -93,28 +87,6 @@ void WebrtcVideoRendererImpl::OnFrame(const webrtc::VideoFrame& frame) {
     std::unique_ptr<VideoBuffer> video_buffer(
         new VideoBuffer{buffer, resolution, VideoBufferType::kARGB});
     renderer_.RenderFrame(std::move(video_buffer));
-  } else if (renderer_type == VideoRendererType::kI444 &&
-             frame.video_frame_buffer()->type() ==
-                 webrtc::VideoFrameBuffer::Type::kI444) {
-    // Assume stride equals to width(might not stand here?)
-    uint8_t* buffer = new uint8_t[resolution.width * resolution.height * 3];
-    rtc::scoped_refptr<VideoFrameBuffer> frame_buffer =
-        frame.video_frame_buffer();
-    const webrtc::PlanarYuv8Buffer* planar_yuv_buffer =
-        reinterpret_cast<const webrtc::PlanarYuv8Buffer*>(
-            frame_buffer->GetI444());
-    size_t data_ptr = 0;
-    memcpy(buffer, planar_yuv_buffer->DataY(),
-           planar_yuv_buffer->StrideY() * planar_yuv_buffer->height());
-    data_ptr += planar_yuv_buffer->StrideY() * planar_yuv_buffer->height();
-    memcpy(buffer + data_ptr, planar_yuv_buffer->DataU(),
-           planar_yuv_buffer->StrideU() * planar_yuv_buffer->height());
-    data_ptr += planar_yuv_buffer->StrideU() * planar_yuv_buffer->height();
-    memcpy(buffer + data_ptr, planar_yuv_buffer->DataV(),
-           planar_yuv_buffer->StrideV() * planar_yuv_buffer->height());
-    std::unique_ptr<VideoBuffer> video_buffer(
-        new VideoBuffer{buffer, resolution, VideoBufferType::kI444});
-    renderer_.RenderFrame(std::move(video_buffer));
   } else {
     uint8_t* buffer = new uint8_t[resolution.width * resolution.height * 3 / 2];
     webrtc::ConvertFromI420(frame, webrtc::VideoType::kI420, 0,
diff --git a/talk/owt/sdk/base/win/d3d11_video_decoder.cc b/talk/owt/sdk/base/win/d3d11_video_decoder.cc
index 6c1611a9..4df7d084 100644
--- a/talk/owt/sdk/base/win/d3d11_video_decoder.cc
+++ b/talk/owt/sdk/base/win/d3d11_video_decoder.cc
@@ -310,24 +310,11 @@ int32_t D3D11VideoDecoder::Decode(const webrtc::EncodedImage& input_image,
       goto fail;
     }
 
-    if (!frame) {
-      RTC_LOG(LS_ERROR) << "Failed to decode current frame.";
-      goto fail;
-    }
-
-    int width = frame->width;
-    int height = frame->height;
-
-    VideoFrame* input_frame =
-        static_cast<VideoFrame*>(av_buffer_get_opaque(frame->buf[0]));
-    RTC_DCHECK(input_frame);
-
-    rtc::scoped_refptr<VideoFrameBuffer> frame_buffer =
-        input_frame->video_frame_buffer();
-
     // We get one frame from the decoder.
-    if (frame->format != AV_PIX_FMT_YUV444P) {
+    if (frame != nullptr && frame->format == hw_pix_fmt) {
       ID3D11Texture2D* texture = (ID3D11Texture2D*)frame->data[0];
+      int width = frame->width;
+      int height = frame->height;
       int index = (intptr_t)frame->data[1];
       D3D11_TEXTURE2D_DESC texture_desc;
 
@@ -393,20 +380,6 @@ int32_t D3D11VideoDecoder::Decode(const webrtc::EncodedImage& input_image,
 
       }
       av_frame_free(&frame);
-    } else {  // YUV444P. Which will be a software frame.
-      rtc::scoped_refptr<webrtc::VideoFrameBuffer> dst_buffer;
-      dst_buffer =
-          WrapI444Buffer(width, height, frame->data[0], frame->linesize[0],
-                         frame->data[1], frame->linesize[1], frame->data[2],
-                         frame->linesize[2], [frame_buffer] {});
-      webrtc::VideoFrame decoded_frame(dst_buffer, input_image.Timestamp(), 0,
-                                       webrtc::kVideoRotation_0);
-      decoded_frame.set_ntp_time_ms(input_image.ntp_time_ms_);
-      decoded_frame.set_timestamp(input_image.Timestamp());
-      if (decoded_image_callback_) {
-        decoded_image_callback_->Decoded(decoded_frame);
-      }
-      av_frame_free(&frame);
     }
   }
   return WEBRTC_VIDEO_CODEC_OK;
diff --git a/talk/owt/sdk/include/cpp/owt/base/videorendererinterface.h b/talk/owt/sdk/include/cpp/owt/base/videorendererinterface.h
index d353e95c..a597108e 100755
--- a/talk/owt/sdk/include/cpp/owt/base/videorendererinterface.h
+++ b/talk/owt/sdk/include/cpp/owt/base/videorendererinterface.h
@@ -21,15 +21,14 @@ enum class VideoBufferType {
   kI420,
   kARGB,
   kD3D11,  // Format self-described.
-  kI444,
 };
 enum class VideoRendererType {
   kI420,
   kARGB,
   kD3D11,  // Format self-described.
-  kI444,
 };
 
+
 #if defined(WEBRTC_WIN)
 struct OWT_EXPORT D3D11ImageHandle {
   ID3D11Device* d3d11_device;