diff --git a/api/core/llm_generator/output_parser/structured_output.py b/api/core/llm_generator/output_parser/structured_output.py
index 9d4c263bc0..0aaf5abef0 100644
--- a/api/core/llm_generator/output_parser/structured_output.py
+++ b/api/core/llm_generator/output_parser/structured_output.py
@@ -1,12 +1,14 @@
 import json
 from collections.abc import Generator, Mapping, Sequence
 from copy import deepcopy
+from enum import StrEnum
 from typing import Any, Literal, Optional, cast, overload
 
 import json_repair
 from pydantic import TypeAdapter, ValidationError
 
 from core.llm_generator.output_parser.errors import OutputParserError
+from core.llm_generator.prompts import STRUCTURED_OUTPUT_PROMPT
 from core.model_manager import ModelInstance
 from core.model_runtime.callbacks.base_callback import Callback
 from core.model_runtime.entities.llm_entities import (
@@ -23,8 +25,21 @@ from core.model_runtime.entities.message_entities import (
     SystemPromptMessage,
 )
 from core.model_runtime.entities.model_entities import AIModelEntity, ParameterRule
-from core.workflow.utils.structured_output.entities import ResponseFormat, SpecialModelType
-from core.workflow.utils.structured_output.prompt import STRUCTURED_OUTPUT_PROMPT
+
+
+class ResponseFormat(StrEnum):
+    """Constants for model response formats"""
+
+    JSON_SCHEMA = "json_schema"  # model's structured output mode. some model like gemini, gpt-4o,  support this mode.
+    JSON = "JSON"  # model's json mode. some model like claude support this mode.
+    JSON_OBJECT = "json_object"  # json mode's another alias. some model like deepseek-chat, qwen use this alias.
+
+
+class SpecialModelType(StrEnum):
+    """Constants for identifying model types"""
+
+    GEMINI = "gemini"
+    OLLAMA = "ollama"
 
 
 @overload
diff --git a/api/core/llm_generator/prompts.py b/api/core/llm_generator/prompts.py
index ddfa1e7a66..ef81e38dc5 100644
--- a/api/core/llm_generator/prompts.py
+++ b/api/core/llm_generator/prompts.py
@@ -291,3 +291,21 @@ Your task is to convert simple user descriptions into properly formatted JSON Sc
 
 Now, generate a JSON Schema based on my description
 """  # noqa: E501
+
+STRUCTURED_OUTPUT_PROMPT = """You’re a helpful AI assistant. You could answer questions and output in JSON format.
+constraints:
+    - You must output in JSON format.
+    - Do not output boolean value, use string type instead.
+    - Do not output integer or float value, use number type instead.
+eg:
+    Here is the JSON schema:
+    {"additionalProperties": false, "properties": {"age": {"type": "number"}, "name": {"type": "string"}}, "required": ["name", "age"], "type": "object"}
+
+    Here is the user's question:
+    My name is John Doe and I am 30 years old.
+
+    output:
+    {"name": "John Doe", "age": 30}
+Here is the JSON schema:
+{{schema}}
+"""  # noqa: E501
diff --git a/api/core/workflow/utils/structured_output/entities.py b/api/core/workflow/utils/structured_output/entities.py
deleted file mode 100644
index 6491042bfe..0000000000
--- a/api/core/workflow/utils/structured_output/entities.py
+++ /dev/null
@@ -1,16 +0,0 @@
-from enum import StrEnum
-
-
-class ResponseFormat(StrEnum):
-    """Constants for model response formats"""
-
-    JSON_SCHEMA = "json_schema"  # model's structured output mode. some model like gemini, gpt-4o,  support this mode.
-    JSON = "JSON"  # model's json mode. some model like claude support this mode.
-    JSON_OBJECT = "json_object"  # json mode's another alias. some model like deepseek-chat, qwen use this alias.
-
-
-class SpecialModelType(StrEnum):
-    """Constants for identifying model types"""
-
-    GEMINI = "gemini"
-    OLLAMA = "ollama"
diff --git a/api/core/workflow/utils/structured_output/prompt.py b/api/core/workflow/utils/structured_output/prompt.py
deleted file mode 100644
index 06d9b2056e..0000000000
--- a/api/core/workflow/utils/structured_output/prompt.py
+++ /dev/null
@@ -1,17 +0,0 @@
-STRUCTURED_OUTPUT_PROMPT = """You’re a helpful AI assistant. You could answer questions and output in JSON format.
-constraints:
-    - You must output in JSON format.
-    - Do not output boolean value, use string type instead.
-    - Do not output integer or float value, use number type instead.
-eg:
-    Here is the JSON schema:
-    {"additionalProperties": false, "properties": {"age": {"type": "number"}, "name": {"type": "string"}}, "required": ["name", "age"], "type": "object"}
-
-    Here is the user's question:
-    My name is John Doe and I am 30 years old.
-
-    output:
-    {"name": "John Doe", "age": 30}
-Here is the JSON schema:
-{{schema}}
-"""  # noqa: E501