diff --git a/mcp_codebase.py b/mcp_codebase.py
index 7775b31..8c07329 100644
--- a/mcp_codebase.py
+++ b/mcp_codebase.py
@@ -52,7 +52,6 @@ EMBEDDING_MODEL = "bge-m3"  # Ollama local embedding model
 RERANKER_MODEL_OLLAMA = "dengcao/Qwen3-Reranker-8B:Q4_K_M"  # prompt-based reranker via Ollama
 ENABLE_RERANK = True  # toggle reranking
 RERANK_TOP_N = 10
-EMBEDDING_BATCH_SIZE = 50
 
 # Hybrid weights (vector first: 80%, BM25: 20%)
 VECTOR_WEIGHT = 0.8