diff --git a/python/sglang/srt/layers/attention/nsa_backend.py b/python/sglang/srt/layers/attention/nsa_backend.py
index 06a1259a2..e160cc400 100644
--- a/python/sglang/srt/layers/attention/nsa_backend.py
+++ b/python/sglang/srt/layers/attention/nsa_backend.py
@@ -37,7 +37,6 @@ from sglang.srt.layers.attention.nsa.cp_shared_kv_runtime import (
     mask_batch_logical_pages_to_valid_lengths,
     materialize_prefix_and_reuse_current_kv_page_slots,
     materialize_shared_token_kv_buffer,
-    maybe_build_current_page_writer_ranks,
     pack_current_mla_kv_for_reuse,
     tensor_debug_checksum,
     tensor_debug_summary,
@@ -2115,19 +2114,6 @@ class NativeSparseAttnBackend(
                             current_slot_spans=current_slot_spans,
                             layer_id=layer.layer_id,
                             nvtx_source="mla.current_only_page_slots",
-                            current_page_writer_ranks=(
-                                maybe_build_current_page_writer_ranks(
-                                    forward_batch=forward_batch,
-                                    prefix_lens_cpu=getattr(
-                                        forward_batch, "extend_prefix_lens_cpu", None
-                                    ),
-                                    extend_lens_cpu=getattr(
-                                        forward_batch, "extend_seq_lens_cpu", None
-                                    ),
-                                    page_size=page_size,
-                                    layout=forward_batch.cp_shared_kv_layout,
-                                )
-                            ),
                         )
                     )
                 else:
@@ -2274,15 +2260,6 @@ class NativeSparseAttnBackend(
                                 prefix_slot_spans=prefix_slot_spans,
                                 current_slot_spans=current_slot_spans,
                                 layer_id=layer.layer_id,
-                                current_page_writer_ranks=(
-                                    maybe_build_current_page_writer_ranks(
-                                        forward_batch=forward_batch,
-                                        prefix_lens_cpu=prefix_lens_cpu,
-                                        extend_lens_cpu=extend_lens_cpu,
-                                        page_size=page_size,
-                                        layout=forward_batch.cp_shared_kv_layout,
-                                    )
-                                ),
                             )
                         )
                         if (