diff --git a/dom/media/MediaData.cpp b/dom/media/MediaData.cpp
index 902fbbf76379..d7ea28f7e61b 100644
--- a/dom/media/MediaData.cpp
+++ b/dom/media/MediaData.cpp
@@ -482,7 +482,6 @@ nsCString VideoData::ToString() const {
       "D3D11_SHARE_HANDLE_TEXTURE",
       "D3D11_TEXTURE_IMF_SAMPLE",
       "TEXTURE_WRAPPER",
-      "D3D11_YCBCR_IMAGE",
       "GPU_VIDEO",
       "DMABUF",
       "DCOMP_SURFACE",
diff --git a/dom/media/MediaFormatReader.cpp b/dom/media/MediaFormatReader.cpp
index dbe21fc86b55..5d76b29a920a 100644
--- a/dom/media/MediaFormatReader.cpp
+++ b/dom/media/MediaFormatReader.cpp
@@ -2402,14 +2402,6 @@ void MediaFormatReader::Update(TrackType aTrack) {
                 !!mVideo.mIsHardwareAccelerated);
           }
         }
-#ifdef XP_WIN
-        // D3D11_YCBCR_IMAGE images are GPU based, we try to limit the amount
-        // of GPU RAM used.
-        mVideo.mIsHardwareAccelerated =
-            mVideo.mIsHardwareAccelerated ||
-            (videoData->mImage &&
-             videoData->mImage->GetFormat() == ImageFormat::D3D11_YCBCR_IMAGE);
-#endif
       }
     } else if (decoder.HasFatalError()) {
       nsCString mimeType = decoder.GetCurrentInfo()->mMimeType;
diff --git a/gfx/gl/GLBlitHelper.cpp b/gfx/gl/GLBlitHelper.cpp
index fdecbfda9927..d097f57bd78d 100644
--- a/gfx/gl/GLBlitHelper.cpp
+++ b/gfx/gl/GLBlitHelper.cpp
@@ -956,9 +956,6 @@ bool GLBlitHelper::BlitImageToFramebuffer(layers::Image* const srcImage,
       return BlitImage(
           static_cast<layers::D3D11TextureIMFSampleImage*>(srcImage), destSize,
           destOrigin);
-    case ImageFormat::D3D11_YCBCR_IMAGE:
-      return BlitImage(static_cast<layers::D3D11YCbCrImage*>(srcImage),
-                       destSize, destOrigin);
     case ImageFormat::D3D9_RGB32_TEXTURE:
       return false;  // todo
     case ImageFormat::DCOMP_SURFACE:
@@ -966,7 +963,6 @@ bool GLBlitHelper::BlitImageToFramebuffer(layers::Image* const srcImage,
 #else
     case ImageFormat::D3D11_SHARE_HANDLE_TEXTURE:
     case ImageFormat::D3D11_TEXTURE_IMF_SAMPLE:
-    case ImageFormat::D3D11_YCBCR_IMAGE:
     case ImageFormat::D3D9_RGB32_TEXTURE:
     case ImageFormat::DCOMP_SURFACE:
       MOZ_ASSERT(false);
diff --git a/gfx/gl/GLBlitHelper.h b/gfx/gl/GLBlitHelper.h
index 3f9e066c0e37..cd9cc9b2360b 100644
--- a/gfx/gl/GLBlitHelper.h
+++ b/gfx/gl/GLBlitHelper.h
@@ -62,7 +62,6 @@ class SurfaceDescriptorBuffer;
 #ifdef XP_WIN
 class D3D11ShareHandleImage;
 class D3D11TextureIMFSampleImage;
-class D3D11YCbCrImage;
 class SurfaceDescriptorD3D10;
 class SurfaceDescriptorDXGIYCbCr;
 #endif
@@ -296,8 +295,6 @@ class GLBlitHelper final {
                  const gfx::IntSize& destSize, OriginPos destOrigin) const;
   bool BlitImage(layers::D3D11TextureIMFSampleImage* srcImage,
                  const gfx::IntSize& destSize, OriginPos destOrigin) const;
-  bool BlitImage(layers::D3D11YCbCrImage* srcImage,
-                 const gfx::IntSize& destSize, OriginPos destOrigin) const;
 
   bool BlitDescriptor(const layers::SurfaceDescriptorD3D10& desc,
                       const gfx::IntSize& destSize, OriginPos destOrigin) const;
diff --git a/gfx/gl/GLBlitHelperD3D.cpp b/gfx/gl/GLBlitHelperD3D.cpp
index 1c101d8980af..effc682ea27f 100644
--- a/gfx/gl/GLBlitHelperD3D.cpp
+++ b/gfx/gl/GLBlitHelperD3D.cpp
@@ -214,26 +214,6 @@ bool GLBlitHelper::BlitImage(layers::D3D11TextureIMFSampleImage* const srcImage,
 
 // -------------------------------------
 
-bool GLBlitHelper::BlitImage(layers::D3D11YCbCrImage* const srcImage,
-                             const gfx::IntSize& destSize,
-                             const OriginPos destOrigin) const {
-  const auto& data = srcImage->GetData();
-  if (!data) return false;
-
-  const WindowsHandle handles[3] = {
-      (WindowsHandle)(data->mHandles[0] ? data->mHandles[0]->GetHandle()
-                                        : nullptr),
-      (WindowsHandle)(data->mHandles[1] ? data->mHandles[1]->GetHandle()
-                                        : nullptr),
-      (WindowsHandle)(data->mHandles[2] ? data->mHandles[2]->GetHandle()
-                                        : nullptr)};
-  return BlitAngleYCbCr(handles, srcImage->mPictureRect, srcImage->GetYSize(),
-                        srcImage->GetCbCrSize(), srcImage->mColorSpace,
-                        destSize, destOrigin);
-}
-
-// -------------------------------------
-
 bool GLBlitHelper::BlitDescriptor(const layers::SurfaceDescriptorD3D10& desc,
                                   const gfx::IntSize& destSize,
                                   const OriginPos destOrigin) const {
diff --git a/gfx/layers/D3D11YCbCrImage.cpp b/gfx/layers/D3D11YCbCrImage.cpp
index f114ea1d276c..32c708ec4ce2 100644
--- a/gfx/layers/D3D11YCbCrImage.cpp
+++ b/gfx/layers/D3D11YCbCrImage.cpp
@@ -19,306 +19,6 @@ using namespace mozilla::gfx;
 namespace mozilla {
 namespace layers {
 
-D3D11YCbCrImage::D3D11YCbCrImage()
-    : Image(NULL, ImageFormat::D3D11_YCBCR_IMAGE) {}
-
-D3D11YCbCrImage::~D3D11YCbCrImage() {}
-
-bool D3D11YCbCrImage::SetData(KnowsCompositor* aAllocator,
-                              ImageContainer* aContainer,
-                              const PlanarYCbCrData& aData) {
-  mPictureRect = aData.mPictureRect;
-  mColorDepth = aData.mColorDepth;
-  mColorSpace = aData.mYUVColorSpace;
-  mColorRange = aData.mColorRange;
-  mChromaSubsampling = aData.mChromaSubsampling;
-
-  RefPtr<D3D11YCbCrRecycleAllocator> allocator =
-      aContainer->GetD3D11YCbCrRecycleAllocator(aAllocator);
-  if (!allocator) {
-    return false;
-  }
-
-  RefPtr<ID3D11Device> device = gfx::DeviceManagerDx::Get()->GetImageDevice();
-  if (!device) {
-    return false;
-  }
-
-  {
-    DXGIYCbCrTextureAllocationHelper helper(aData, TextureFlags::DEFAULT,
-                                            device);
-    mTextureClient = allocator->CreateOrRecycle(helper).unwrapOr(nullptr);
-  }
-
-  if (!mTextureClient) {
-    return false;
-  }
-
-  DXGIYCbCrTextureData* data =
-      mTextureClient->GetInternalData()->AsDXGIYCbCrTextureData();
-
-  ID3D11Texture2D* textureY = data->GetD3D11Texture(0);
-  ID3D11Texture2D* textureCb = data->GetD3D11Texture(1);
-  ID3D11Texture2D* textureCr = data->GetD3D11Texture(2);
-
-  RefPtr<ID3D10Multithread> mt;
-  HRESULT hr = device->QueryInterface((ID3D10Multithread**)getter_AddRefs(mt));
-
-  if (FAILED(hr) || !mt) {
-    gfxCriticalError() << "Multithread safety interface not supported. " << hr;
-    return false;
-  }
-
-  if (!mt->GetMultithreadProtected()) {
-    gfxCriticalError() << "Device used not marked as multithread-safe.";
-    return false;
-  }
-
-  D3D11MTAutoEnter mtAutoEnter(mt.forget());
-
-  RefPtr<ID3D11DeviceContext> ctx;
-  device->GetImmediateContext(getter_AddRefs(ctx));
-  if (!ctx) {
-    gfxCriticalError() << "Failed to get immediate context.";
-    return false;
-  }
-
-  AutoLockD3D11Texture lockY(textureY);
-  AutoLockD3D11Texture lockCb(textureCb);
-  AutoLockD3D11Texture lockCr(textureCr);
-
-  ctx->UpdateSubresource(textureY, 0, nullptr, aData.mYChannel, aData.mYStride,
-                         aData.mYStride * aData.YDataSize().height);
-  ctx->UpdateSubresource(textureCb, 0, nullptr, aData.mCbChannel,
-                         aData.mCbCrStride,
-                         aData.mCbCrStride * aData.CbCrDataSize().height);
-  ctx->UpdateSubresource(textureCr, 0, nullptr, aData.mCrChannel,
-                         aData.mCbCrStride,
-                         aData.mCbCrStride * aData.CbCrDataSize().height);
-
-  return true;
-}
-
-IntSize D3D11YCbCrImage::GetSize() const { return mPictureRect.Size(); }
-
-TextureClient* D3D11YCbCrImage::GetTextureClient(
-    KnowsCompositor* aKnowsCompositor) {
-  return mTextureClient;
-}
-
-const DXGIYCbCrTextureData* D3D11YCbCrImage::GetData() const {
-  if (!mTextureClient) return nullptr;
-
-  return mTextureClient->GetInternalData()->AsDXGIYCbCrTextureData();
-}
-
-nsresult D3D11YCbCrImage::ReadIntoBuffer(
-    const std::function<nsresult(const PlanarYCbCrData&, const IntSize&,
-                                 SurfaceFormat)>& aCopy) {
-  if (!mTextureClient) {
-    gfxWarning()
-        << "GetAsSourceSurface() called on uninitialized D3D11YCbCrImage.";
-    return NS_ERROR_FAILURE;
-  }
-
-  gfx::IntSize size(mPictureRect.Size());
-  gfx::SurfaceFormat format =
-      gfx::ImageFormatToSurfaceFormat(gfxVars::OffscreenFormat());
-  HRESULT hr;
-
-  PlanarYCbCrData data;
-
-  DXGIYCbCrTextureData* dxgiData =
-      mTextureClient->GetInternalData()->AsDXGIYCbCrTextureData();
-
-  if (!dxgiData) {
-    gfxCriticalError() << "Failed to get texture client internal data.";
-    return NS_ERROR_FAILURE;
-  }
-
-  RefPtr<ID3D11Texture2D> texY = dxgiData->GetD3D11Texture(0);
-  RefPtr<ID3D11Texture2D> texCb = dxgiData->GetD3D11Texture(1);
-  RefPtr<ID3D11Texture2D> texCr = dxgiData->GetD3D11Texture(2);
-  RefPtr<ID3D11Texture2D> softTexY, softTexCb, softTexCr;
-  D3D11_TEXTURE2D_DESC desc;
-
-  RefPtr<ID3D11Device> dev;
-  texY->GetDevice(getter_AddRefs(dev));
-
-  if (!dev || dev != gfx::DeviceManagerDx::Get()->GetImageDevice()) {
-    gfxCriticalError() << "D3D11Device is obsoleted";
-    return NS_ERROR_FAILURE;
-  }
-
-  RefPtr<ID3D10Multithread> mt;
-  hr = dev->QueryInterface((ID3D10Multithread**)getter_AddRefs(mt));
-
-  if (FAILED(hr) || !mt) {
-    gfxCriticalError() << "Multithread safety interface not supported.";
-    return NS_ERROR_FAILURE;
-  }
-
-  if (!mt->GetMultithreadProtected()) {
-    gfxCriticalError() << "Device used not marked as multithread-safe.";
-    return NS_ERROR_FAILURE;
-  }
-
-  D3D11MTAutoEnter mtAutoEnter(mt.forget());
-
-  texY->GetDesc(&desc);
-  desc.BindFlags = 0;
-  desc.MiscFlags = 0;
-  desc.CPUAccessFlags = D3D11_CPU_ACCESS_READ;
-  desc.Usage = D3D11_USAGE_STAGING;
-
-  dev->CreateTexture2D(&desc, nullptr, getter_AddRefs(softTexY));
-  if (!softTexY) {
-    gfxCriticalNote << "Failed to allocate softTexY";
-    return NS_ERROR_FAILURE;
-  }
-
-  texCb->GetDesc(&desc);
-  desc.BindFlags = 0;
-  desc.MiscFlags = 0;
-  desc.CPUAccessFlags = D3D11_CPU_ACCESS_READ;
-  desc.Usage = D3D11_USAGE_STAGING;
-
-  dev->CreateTexture2D(&desc, nullptr, getter_AddRefs(softTexCb));
-  if (!softTexCb) {
-    gfxCriticalNote << "Failed to allocate softTexCb";
-    return NS_ERROR_FAILURE;
-  }
-
-  texCr->GetDesc(&desc);
-  desc.BindFlags = 0;
-  desc.MiscFlags = 0;
-  desc.CPUAccessFlags = D3D11_CPU_ACCESS_READ;
-  desc.Usage = D3D11_USAGE_STAGING;
-
-  dev->CreateTexture2D(&desc, nullptr, getter_AddRefs(softTexCr));
-  if (!softTexCr) {
-    gfxCriticalNote << "Failed to allocate softTexCr";
-    return NS_ERROR_FAILURE;
-  }
-
-  RefPtr<ID3D11DeviceContext> ctx;
-  dev->GetImmediateContext(getter_AddRefs(ctx));
-  if (!ctx) {
-    gfxCriticalError() << "Failed to get immediate context.";
-    return NS_ERROR_FAILURE;
-  }
-
-  {
-    AutoLockD3D11Texture lockY(texY);
-    AutoLockD3D11Texture lockCb(texCb);
-    AutoLockD3D11Texture lockCr(texCr);
-    ctx->CopyResource(softTexY, texY);
-    ctx->CopyResource(softTexCb, texCb);
-    ctx->CopyResource(softTexCr, texCr);
-  }
-
-  D3D11_MAPPED_SUBRESOURCE mapY, mapCb, mapCr;
-  mapY.pData = mapCb.pData = mapCr.pData = nullptr;
-
-  hr = ctx->Map(softTexY, 0, D3D11_MAP_READ, 0, &mapY);
-  if (FAILED(hr)) {
-    gfxCriticalError() << "Failed to map Y plane (" << hr << ")";
-    return NS_ERROR_FAILURE;
-  }
-  hr = ctx->Map(softTexCb, 0, D3D11_MAP_READ, 0, &mapCb);
-  if (FAILED(hr)) {
-    gfxCriticalError() << "Failed to map Y plane (" << hr << ")";
-    return NS_ERROR_FAILURE;
-  }
-  hr = ctx->Map(softTexCr, 0, D3D11_MAP_READ, 0, &mapCr);
-  if (FAILED(hr)) {
-    gfxCriticalError() << "Failed to map Y plane (" << hr << ")";
-    return NS_ERROR_FAILURE;
-  }
-
-  MOZ_ASSERT(mapCb.RowPitch == mapCr.RowPitch);
-
-  data.mPictureRect = mPictureRect;
-  data.mStereoMode = StereoMode::MONO;
-  data.mColorDepth = mColorDepth;
-  data.mYUVColorSpace = mColorSpace;
-  data.mColorRange = mColorRange;
-  data.mChromaSubsampling = mChromaSubsampling;
-  data.mYSkip = data.mCbSkip = data.mCrSkip = 0;
-  data.mYChannel = static_cast<uint8_t*>(mapY.pData);
-  data.mYStride = mapY.RowPitch;
-  data.mCbChannel = static_cast<uint8_t*>(mapCb.pData);
-  data.mCrChannel = static_cast<uint8_t*>(mapCr.pData);
-  data.mCbCrStride = mapCb.RowPitch;
-
-  gfx::GetYCbCrToRGBDestFormatAndSize(data, format, size);
-  if (size.width > PlanarYCbCrImage::MAX_DIMENSION ||
-      size.height > PlanarYCbCrImage::MAX_DIMENSION) {
-    gfxCriticalError() << "Illegal image dest width or height";
-    return NS_ERROR_FAILURE;
-  }
-
-  nsresult rv = aCopy(data, size, format);
-
-  ctx->Unmap(softTexY, 0);
-  ctx->Unmap(softTexCb, 0);
-  ctx->Unmap(softTexCr, 0);
-
-  return rv;
-}
-
-already_AddRefed<SourceSurface> D3D11YCbCrImage::GetAsSourceSurface() {
-  RefPtr<gfx::DataSourceSurface> surface;
-
-  nsresult rv =
-      ReadIntoBuffer([&](const PlanarYCbCrData& aData, const IntSize& aSize,
-                         SurfaceFormat aFormat) -> nsresult {
-        surface = gfx::Factory::CreateDataSourceSurface(aSize, aFormat);
-        if (!surface) {
-          gfxCriticalError()
-              << "Failed to create DataSourceSurface for image: " << aSize
-              << " " << aFormat;
-          return NS_ERROR_OUT_OF_MEMORY;
-        }
-
-        DataSourceSurface::ScopedMap mapping(surface, DataSourceSurface::WRITE);
-        if (!mapping.IsMapped()) {
-          gfxCriticalError()
-              << "Failed to map DataSourceSurface for D3D11YCbCrImage";
-          return NS_ERROR_FAILURE;
-        }
-
-        gfx::ConvertYCbCrToRGB(aData, aFormat, aSize, mapping.GetData(),
-                               mapping.GetStride());
-        return NS_OK;
-      });
-
-  if (NS_WARN_IF(NS_FAILED(rv))) {
-    return nullptr;
-  }
-
-  MOZ_ASSERT(surface);
-  return surface.forget();
-}
-
-nsresult D3D11YCbCrImage::BuildSurfaceDescriptorBuffer(
-    SurfaceDescriptorBuffer& aSdBuffer, BuildSdbFlags aFlags,
-    const std::function<MemoryOrShmem(uint32_t)>& aAllocate) {
-  return ReadIntoBuffer([&](const PlanarYCbCrData& aData, const IntSize& aSize,
-                            SurfaceFormat aFormat) -> nsresult {
-    uint8_t* buffer = nullptr;
-    int32_t stride = 0;
-    nsresult rv = AllocateSurfaceDescriptorBufferRgb(
-        aSize, aFormat, buffer, aSdBuffer, stride, aAllocate);
-    if (NS_WARN_IF(NS_FAILED(rv))) {
-      return rv;
-    }
-
-    gfx::ConvertYCbCrToRGB(aData, aFormat, aSize, buffer, stride);
-    return NS_OK;
-  });
-}
-
 class AutoCheckLockD3D11Texture final {
  public:
   explicit AutoCheckLockD3D11Texture(ID3D11Texture2D* aTexture)
diff --git a/gfx/layers/D3D11YCbCrImage.h b/gfx/layers/D3D11YCbCrImage.h
index 0b4408ca37ee..b4fbeb253332 100644
--- a/gfx/layers/D3D11YCbCrImage.h
+++ b/gfx/layers/D3D11YCbCrImage.h
@@ -50,52 +50,6 @@ class D3D11YCbCrRecycleAllocator : public TextureClientRecycleAllocator {
       TextureFlags aTextureFlags, TextureAllocationFlags aAllocFlags) override;
 };
 
-class D3D11YCbCrImage : public Image {
-  friend class gl::GLBlitHelper;
-
- public:
-  D3D11YCbCrImage();
-  virtual ~D3D11YCbCrImage();
-
-  // Copies the surface into a sharable texture's surface, and initializes
-  // the image.
-  bool SetData(KnowsCompositor* aAllocator, ImageContainer* aContainer,
-               const PlanarYCbCrData& aData);
-
-  gfx::IntSize GetSize() const override;
-
-  already_AddRefed<gfx::SourceSurface> GetAsSourceSurface() override;
-
-  nsresult BuildSurfaceDescriptorBuffer(
-      SurfaceDescriptorBuffer& aSdBuffer, BuildSdbFlags aFlags,
-      const std::function<MemoryOrShmem(uint32_t)>& aAllocate) override;
-
-  TextureClient* GetTextureClient(KnowsCompositor* aKnowsCompositor) override;
-
-  gfx::IntRect GetPictureRect() const override { return mPictureRect; }
-
-  gfx::IntSize GetYSize() const {
-    return {mPictureRect.XMost(), mPictureRect.YMost()};
-  }
-  gfx::IntSize GetCbCrSize() const {
-    return ChromaSize(GetYSize(), mChromaSubsampling);
-  }
-
- private:
-  nsresult ReadIntoBuffer(
-      const std::function<nsresult(const PlanarYCbCrData&, const gfx::IntSize&,
-                                   gfx::SurfaceFormat)>& aCopy);
-
-  const DXGIYCbCrTextureData* GetData() const;
-
-  gfx::IntRect mPictureRect;
-  gfx::ColorDepth mColorDepth;
-  gfx::YUVColorSpace mColorSpace;
-  gfx::ColorRange mColorRange;
-  gfx::ChromaSubsampling mChromaSubsampling;
-  RefPtr<TextureClient> mTextureClient;
-};
-
 }  // namespace layers
 }  // namespace mozilla
 
diff --git a/gfx/layers/ImageTypes.h b/gfx/layers/ImageTypes.h
index 96021ba9f6b4..616f8b3d784a 100644
--- a/gfx/layers/ImageTypes.h
+++ b/gfx/layers/ImageTypes.h
@@ -82,11 +82,6 @@ enum class ImageFormat {
    */
   TEXTURE_WRAPPER,
 
-  /**
-   * A D3D11 backed YUV image.
-   */
-  D3D11_YCBCR_IMAGE,
-
   /**
    * An opaque handle that refers to an Image stored in the GPU
    * process.