diff --git a/tradingagents/agents/managers/research_manager.py b/tradingagents/agents/managers/research_manager.py
index 5b123253..d22f6fae 100644
--- a/tradingagents/agents/managers/research_manager.py
+++ b/tradingagents/agents/managers/research_manager.py
@@ -1,5 +1,4 @@
 import time
-import json
 
 
 def create_research_manager(llm, memory):