diff --git a/internal/graphicsdriver/directx/api_windows.go b/internal/graphicsdriver/directx/api_windows.go
index 064efa685..5f32e7029 100644
--- a/internal/graphicsdriver/directx/api_windows.go
+++ b/internal/graphicsdriver/directx/api_windows.go
@@ -1743,14 +1743,10 @@ func (i *iD3D12Resource1) Release() {
 	syscall.Syscall(i.vtbl.Release, 1, uintptr(unsafe.Pointer(i)), 0, 0)
 }
 
-func (i *iD3D12Resource1) Unmap(subresource uint32, pWrittenRange *_D3D12_RANGE) error {
-	r, _, _ := syscall.Syscall(i.vtbl.Unmap, 3, uintptr(unsafe.Pointer(i)),
+func (i *iD3D12Resource1) Unmap(subresource uint32, pWrittenRange *_D3D12_RANGE) {
+	syscall.Syscall(i.vtbl.Unmap, 3, uintptr(unsafe.Pointer(i)),
 		uintptr(subresource), uintptr(unsafe.Pointer(pWrittenRange)))
 	runtime.KeepAlive(pWrittenRange)
-	if windows.Handle(r) != windows.S_OK {
-		return fmt.Errorf("directx: ID3D12Resource1::Unmap failed: %w", windows.Errno(r))
-	}
-	return nil
 }
 
 type iD3DBlob struct {
diff --git a/internal/graphicsdriver/directx/graphics_windows.go b/internal/graphicsdriver/directx/graphics_windows.go
index 4d5b93a73..121be4a10 100644
--- a/internal/graphicsdriver/directx/graphics_windows.go
+++ b/internal/graphicsdriver/directx/graphics_windows.go
@@ -785,18 +785,14 @@ func (g *Graphics) SetVertices(vertices []float32, indices []uint16) (ferr error
 		return err
 	}
 	copyFloat32s(m, vertices)
-	if err := g.vertices[g.frameIndex][vidx].Unmap(0, nil); err != nil {
-		return err
-	}
+	g.vertices[g.frameIndex][vidx].Unmap(0, nil)
 
 	m, err = g.indices[g.frameIndex][iidx].Map(0, &_D3D12_RANGE{0, 0})
 	if err != nil {
 		return err
 	}
 	copyUint16s(m, indices)
-	if err := g.indices[g.frameIndex][iidx].Unmap(0, nil); err != nil {
-		return err
-	}
+	g.indices[g.frameIndex][iidx].Unmap(0, nil)
 
 	return nil
 }
@@ -1330,9 +1326,7 @@ func (i *Image) ReadPixels(buf []byte) error {
 		copy(buf[j*i.width*4:(j+1)*i.width*4], dstBytes[j*int(i.layouts.Footprint.RowPitch):])
 	}
 
-	if err := i.readingStagingBuffer.Unmap(0, nil); err != nil {
-		return err
-	}
+	i.readingStagingBuffer.Unmap(0, nil)
 
 	return nil
 }
@@ -1388,9 +1382,7 @@ func (i *Image) ReplacePixels(args []*graphicsdriver.ReplacePixelsArgs) error {
 			})
 	}
 
-	if err := i.uploadingStagingBuffer.Unmap(0, nil); err != nil {
-		return err
-	}
+	i.uploadingStagingBuffer.Unmap(0, nil)
 
 	return nil
 }
diff --git a/internal/graphicsdriver/directx/pipeline_windows.go b/internal/graphicsdriver/directx/pipeline_windows.go
index e5ef6e285..6c16da894 100644
--- a/internal/graphicsdriver/directx/pipeline_windows.go
+++ b/internal/graphicsdriver/directx/pipeline_windows.go
@@ -420,9 +420,7 @@ func (p *pipelineStates) useGraphicsPipelineState(device *iD3D12Device, commandL
 	}
 	copyFloat32s(m, uniforms)
 
-	if err := cb.Unmap(0, nil); err != nil {
-		return err
-	}
+	cb.Unmap(0, nil)
 
 	commandList.SetPipelineState(pipelineState)