diff --git a/src/services/chain/sql-database-chain.ts b/src/services/chain/sql-database-chain.ts
index e9698b7..65c04c3 100644
--- a/src/services/chain/sql-database-chain.ts
+++ b/src/services/chain/sql-database-chain.ts
@@ -91,16 +91,13 @@ export default class SqlDatabaseChain extends BaseChain {
       Remember to put double quotes around database table names.\n
       -------------------------------------------\n
       Here are some important observations for generating the query:\n
-      - Only execute the request on the service if the question is not in CHAT HISTORY, if the question has already been answered, use the same answer and do not make a query on the database.\n
-      
+   
       USER CONTEXT:\n
         {user_prompt}\n
         {user_context}\n
       -------------------------------------------\n
       SCHEMA: {schema}\n
       -------------------------------------------\n
-      CHAT HISTORY: {format_chat_messages}\n
-      -------------------------------------------\n
       QUESTION: {question}\n
       ------------------------------------------\n      
       SQL QUERY: