diff --git a/api/core/workflow/nodes/trigger_plugin/entities.py b/api/core/workflow/nodes/trigger_plugin/entities.py
index a21b2e534b..6c53acee4f 100644
--- a/api/core/workflow/nodes/trigger_plugin/entities.py
+++ b/api/core/workflow/nodes/trigger_plugin/entities.py
@@ -1,5 +1,5 @@
 from collections.abc import Mapping
-from typing import Any, Literal, Optional, Union
+from typing import Any, Literal, Union
 
 from pydantic import BaseModel, Field, ValidationInfo, field_validator