diff --git a/src/services/agent_builder.py b/src/services/agent_builder.py
index 8e4ae84e..41fbf2b9 100644
--- a/src/services/agent_builder.py
+++ b/src/services/agent_builder.py
@@ -1,5 +1,4 @@
 from typing import List, Optional, Tuple
-from zoneinfo import ZoneInfo
 from google.adk.agents.llm_agent import LlmAgent
 from google.adk.agents import SequentialAgent, ParallelAgent, LoopAgent, BaseAgent
 from google.adk.models.lite_llm import LiteLlm