diff --git a/lightrag/prompt.py b/lightrag/prompt.py
index 94896fb5..9b44edb0 100644
--- a/lightrag/prompt.py
+++ b/lightrag/prompt.py
@@ -272,9 +272,6 @@ You are a helpful assistant responding to user query about Document Chunks provi
 
 Generate a concise response based on Document Chunks and follow Response Rules, considering both the conversation history and the current query. Summarize all information in the provided Document Chunks, and incorporating general knowledge relevant to the Document Chunks. Do not include information not provided by Document Chunks.
 
----Conversation History---
-{history}
-
 ---Document Chunks(DC)---
 {content_data}