diff --git a/devices/src/virtio/video/decoder/mod.rs b/devices/src/virtio/video/decoder/mod.rs
index f6b0db9a0e..55ed21400f 100644
--- a/devices/src/virtio/video/decoder/mod.rs
+++ b/devices/src/virtio/video/decoder/mod.rs
@@ -163,7 +163,6 @@ enum PendingResponse {
     PictureReady {
         picture_buffer_id: i32,
         bitstream_id: i32,
-        visible_rect: Rect,
     },
     FlushCompleted,
 }
@@ -220,16 +219,7 @@ impl<S: DecoderSession> Context<S> {
             PendingResponse::PictureReady {
                 picture_buffer_id,
                 bitstream_id,
-                visible_rect,
             } => {
-                let plane_size = ((visible_rect.right - visible_rect.left)
-                    * (visible_rect.bottom - visible_rect.top))
-                    as u32;
-                for fmt in self.out_params.plane_formats.iter_mut() {
-                    fmt.plane_size = plane_size;
-                    // We don't need to set `plane_formats[i].stride` for the decoder.
-                }
-
                 let resource_id = self
                     .out_res
                     .dequeue_frame_buffer(*picture_buffer_id, self.stream_id)?;
@@ -1005,7 +995,7 @@ impl<D: DecoderBackend> Device for Decoder<D> {
             DecoderEvent::PictureReady {
                 picture_buffer_id, // FrameBufferId
                 bitstream_id,      // timestamp in second
-                visible_rect,
+                ..
             } => {
                 if ctx.is_resetting {
                     vec![]
@@ -1014,7 +1004,6 @@ impl<D: DecoderBackend> Device for Decoder<D> {
                         .push_back(PendingResponse::PictureReady {
                             picture_buffer_id,
                             bitstream_id,
-                            visible_rect,
                         });
                     ctx.output_pending_responses()
                 }