From 4de5f39f13ee703d321a8e7094f8bde2e167603a Mon Sep 17 00:00:00 2001
From: says1117 <saysschool4321@gmail.com>
Date: Thu, 16 Jul 2026 14:47:09 -0400
Subject: [PATCH] Remove orphaned raft::runtime::matrix::select_k declaration

Closes #3028. The header declared raft::runtime::matrix::select_k but
had no corresponding implementation anywhere in the repo, was not
listed as a CMake build source, and produced no linkable symbols in
libraft. Traced to PR #2498 (implementation removed) and PR #2885
(later raft_runtime cleanup that missed this file). The working
select_k implementation remains at raft/matrix/select_k.cuh.
---
 cpp/include/raft_runtime/matrix/select_k.hpp | 22 --------------------
 1 file changed, 22 deletions(-)
 delete mode 100644 cpp/include/raft_runtime/matrix/select_k.hpp

diff --git a/cpp/include/raft_runtime/matrix/select_k.hpp b/cpp/include/raft_runtime/matrix/select_k.hpp
deleted file mode 100644
index ec50293aa6..0000000000
--- a/cpp/include/raft_runtime/matrix/select_k.hpp
+++ /dev/null
@@ -1,22 +0,0 @@
-/*
- * SPDX-FileCopyrightText: Copyright (c) 2023-2026, NVIDIA CORPORATION.
- * SPDX-License-Identifier: Apache-2.0
- */
-
-#pragma once
-
-#include <raft/core/detail/macros.hpp>
-#include <raft/core/device_mdspan.hpp>
-#include <raft/core/resources.hpp>
-
-#include <optional>
-
-namespace raft::runtime::matrix {
-void select_k(const resources& handle,
-              raft::device_matrix_view<const float, int64_t, row_major> in_val,
-              std::optional<raft::device_matrix_view<const int64_t, int64_t, row_major>> in_idx,
-              raft::device_matrix_view<float, int64_t, row_major> out_val,
-              raft::device_matrix_view<int64_t, int64_t, row_major> out_idx,
-              bool select_min);
-
-}  // namespace raft::runtime::matrix