---
id: pr-vllm-30967
repo: vllm-project/vllm
pr: 30967
title: '[Misc] Remove unused custom ops `copy_blocks` and `copy_blocks_mla`'
author: lengrongfu
date: '2025-12-24'
url: https://github.com/vllm-project/vllm/pull/30967
source_category: upstream-code
architectures:
- sm100
tags: []
techniques: []
hardware_features: []
kernel_types: []
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: 4ed11105d7b81fe9005b119c86ef42f198ced2cf
inclusion_reason: defer
changed_paths:
- csrc/cache.h
- csrc/cache_kernels.cu
- csrc/torch_bindings.cpp
- tests/kernels/attention/test_cache.py
- vllm/_custom_ops.py
- vllm/_ipex_ops.py
artifact_dir: evidence/pull-bundles/vllm/gh-30967
head_ref_oid: 4a9a9c1aab2913880fb95d3a099e27067d481824
---
# [Misc] Remove unused custom ops `copy_blocks` and `copy_blocks_mla`

- Repository: `vllm-project/vllm`
- PR: [30967](https://github.com/vllm-project/vllm/pull/30967)
- Decision: `defer`
- Reason: defer

## Changed Paths

- `csrc/cache.h`
- `csrc/cache_kernels.cu`
- `csrc/torch_bindings.cpp`
- `tests/kernels/attention/test_cache.py`
- `vllm/_custom_ops.py`
- `vllm/_ipex_ops.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-30967`
