diff --git a/haiku_rag_slim/haiku/rag/chunkers/docling_local.py b/haiku_rag_slim/haiku/rag/chunkers/docling_local.py
index 42bfaffe..9ab36b88 100644
--- a/haiku_rag_slim/haiku/rag/chunkers/docling_local.py
+++ b/haiku_rag_slim/haiku/rag/chunkers/docling_local.py
@@ -177,7 +177,4 @@ class DoclingLocalChunker(DocumentChunker):
         Returns:
             List of Chunk containing content and structured metadata.
         """
-        if document is None:
-            return []
-
         return await asyncio.to_thread(self._chunk_sync, document)
diff --git a/tests/test_chunker.py b/tests/test_chunker.py
index 39003d0a..e59681a0 100644
--- a/tests/test_chunker.py
+++ b/tests/test_chunker.py
@@ -55,13 +55,6 @@ async def test_local_chunker(qa_corpus: list[dict[str, str]]):
     assert abs(total_tokens - original_tokens) <= original_tokens * 0.1
 
 
-@pytest.mark.asyncio
-async def test_local_chunker_none_document():
-    """Test DoclingLocalChunker returns empty list for None document."""
-    chunker = DoclingLocalChunker()
-    assert await chunker.chunk(None) == []
-
-
 @pytest.mark.asyncio
 async def test_local_chunker_custom_config():
     """Test DoclingLocalChunker with custom configuration."""