diff --git a/src/crewai/utilities/agent_utils.py b/src/crewai/utilities/agent_utils.py
index 078d82114..94a0dc1bf 100644
--- a/src/crewai/utilities/agent_utils.py
+++ b/src/crewai/utilities/agent_utils.py
@@ -215,9 +215,6 @@ def handle_agent_action_core(
     if show_logs:
         show_logs(formatted_answer)
 
-    if messages is not None:
-        messages.append({"role": "assistant", "content": tool_result.result})
-
     return formatted_answer