diff --git a/tests/metagpt/actions/test_debug_error.py b/tests/metagpt/actions/test_debug_error.py
index 5aa842c91..6258aa6d4 100644
--- a/tests/metagpt/actions/test_debug_error.py
+++ b/tests/metagpt/actions/test_debug_error.py
@@ -117,7 +117,6 @@ if __name__ == '__main__':
 
 
 @pytest.mark.asyncio
-@pytest.mark.usefixtures("llm_mock")
 async def test_debug_error():
     CONFIG.src_workspace = CONFIG.git_repo.workdir / uuid.uuid4().hex
     ctx = RunCodeContext(
diff --git a/tests/metagpt/actions/test_design_api.py b/tests/metagpt/actions/test_design_api.py
index 3c95d6eca..8d4720570 100644
--- a/tests/metagpt/actions/test_design_api.py
+++ b/tests/metagpt/actions/test_design_api.py
@@ -17,7 +17,6 @@ from tests.metagpt.actions.mock_markdown import PRD_SAMPLE
 
 
 @pytest.mark.asyncio
-@pytest.mark.usefixtures("llm_mock")
 async def test_design_api():
     inputs = ["我们需要一个音乐播放器，它应该有播放、暂停、上一曲、下一曲等功能。", PRD_SAMPLE]
     for prd in inputs:
diff --git a/tests/metagpt/actions/test_design_api_review.py b/tests/metagpt/actions/test_design_api_review.py
index 3e8867d2b..cfc29056f 100644
--- a/tests/metagpt/actions/test_design_api_review.py
+++ b/tests/metagpt/actions/test_design_api_review.py
@@ -11,7 +11,6 @@ from metagpt.actions.design_api_review import DesignReview
 
 
 @pytest.mark.asyncio
-@pytest.mark.usefixtures("llm_mock")
 async def test_design_api_review():
     prd = "我们需要一个音乐播放器，它应该有播放、暂停、上一曲、下一曲等功能。"
     api_design = """
diff --git a/tests/metagpt/actions/test_generate_questions.py b/tests/metagpt/actions/test_generate_questions.py
index 4b75e213c..b7c9d3984 100644
--- a/tests/metagpt/actions/test_generate_questions.py
+++ b/tests/metagpt/actions/test_generate_questions.py
@@ -20,7 +20,6 @@ context = """
 
 
 @pytest.mark.asyncio
-@pytest.mark.usefixtures("llm_mock")
 async def test_generate_questions():
     action = GenerateQuestions()
     rsp = await action.run(context)
diff --git a/tests/metagpt/actions/test_invoice_ocr.py b/tests/metagpt/actions/test_invoice_ocr.py
index 1408967f3..b4560f61b 100644
--- a/tests/metagpt/actions/test_invoice_ocr.py
+++ b/tests/metagpt/actions/test_invoice_ocr.py
@@ -54,7 +54,6 @@ async def test_generate_table(invoice_path: Path, expected_result: dict):
     ("invoice_path", "query", "expected_result"),
     [(Path("invoices/invoice-1.pdf"), "Invoicing date", "2023年02月03日")],
 )
-@pytest.mark.usefixtures("llm_mock")
 async def test_reply_question(invoice_path: Path, query: dict, expected_result: str):
     invoice_path = TEST_DATA_PATH / invoice_path
     ocr_result = await InvoiceOCR().run(file_path=Path(invoice_path))
diff --git a/tests/metagpt/actions/test_prepare_interview.py b/tests/metagpt/actions/test_prepare_interview.py
index cb1257718..cd0c850ed 100644
--- a/tests/metagpt/actions/test_prepare_interview.py
+++ b/tests/metagpt/actions/test_prepare_interview.py
@@ -12,7 +12,6 @@ from metagpt.logs import logger
 
 
 @pytest.mark.asyncio
-@pytest.mark.usefixtures("llm_mock")
 async def test_prepare_interview():
     action = PrepareInterview()
     rsp = await action.run("I just graduated and hope to find a job as a Python engineer")
diff --git a/tests/metagpt/actions/test_project_management.py b/tests/metagpt/actions/test_project_management.py
index 97e98b57e..88263ff29 100644
--- a/tests/metagpt/actions/test_project_management.py
+++ b/tests/metagpt/actions/test_project_management.py
@@ -18,7 +18,6 @@ from tests.metagpt.actions.mock_json import DESIGN, PRD
 
 
 @pytest.mark.asyncio
-@pytest.mark.usefixtures("llm_mock")
 async def test_design_api():
     await FileRepository.save_file("1.txt", content=str(PRD), relative_path=PRDS_FILE_REPO)
     await FileRepository.save_file("1.txt", content=str(DESIGN), relative_path=SYSTEM_DESIGN_FILE_REPO)
diff --git a/tests/metagpt/actions/test_summarize_code.py b/tests/metagpt/actions/test_summarize_code.py
index 3ad450aa2..7ecb67afd 100644
--- a/tests/metagpt/actions/test_summarize_code.py
+++ b/tests/metagpt/actions/test_summarize_code.py
@@ -177,7 +177,6 @@ class Snake:
 
 
 @pytest.mark.asyncio
-@pytest.mark.usefixtures("llm_mock")
 async def test_summarize_code():
     CONFIG.src_workspace = CONFIG.git_repo.workdir / "src"
     await FileRepository.save_file(filename="1.json", relative_path=SYSTEM_DESIGN_FILE_REPO, content=DESIGN_CONTENT)
diff --git a/tests/metagpt/actions/test_talk_action.py b/tests/metagpt/actions/test_talk_action.py
index 0a1e240b0..953fdf44a 100644
--- a/tests/metagpt/actions/test_talk_action.py
+++ b/tests/metagpt/actions/test_talk_action.py
@@ -33,7 +33,6 @@ from metagpt.schema import Message
         ),
     ],
 )
-@pytest.mark.usefixtures("llm_mock")
 async def test_prompt(agent_description, language, context, knowledge, history_summary):
     # Prerequisites
     CONFIG.agent_description = agent_description
diff --git a/tests/metagpt/actions/test_write_code.py b/tests/metagpt/actions/test_write_code.py
index 109ba4208..249145c92 100644
--- a/tests/metagpt/actions/test_write_code.py
+++ b/tests/metagpt/actions/test_write_code.py
@@ -28,7 +28,6 @@ from tests.metagpt.actions.mock_markdown import TASKS_2, WRITE_CODE_PROMPT_SAMPL
 
 
 @pytest.mark.asyncio
-@pytest.mark.usefixtures("llm_mock")
 async def test_write_code():
     context = CodingContext(
         filename="task_filename.py", design_doc=Document(content="设计一个名为'add'的函数，该函数接受两个整数作为输入，并返回它们的和。")
@@ -45,7 +44,6 @@ async def test_write_code():
 
 
 @pytest.mark.asyncio
-@pytest.mark.usefixtures("llm_mock")
 async def test_write_code_directly():
     prompt = WRITE_CODE_PROMPT_SAMPLE + "\n" + TASKS_2[0]
     llm = LLM()
@@ -54,7 +52,6 @@ async def test_write_code_directly():
 
 
 @pytest.mark.asyncio
-@pytest.mark.usefixtures("llm_mock")
 async def test_write_code_deps():
     # Prerequisites
     CONFIG.src_workspace = CONFIG.git_repo.workdir / "snake1/snake1"
diff --git a/tests/metagpt/actions/test_write_code_review.py b/tests/metagpt/actions/test_write_code_review.py
index c5ac02bf6..3343b42b4 100644
--- a/tests/metagpt/actions/test_write_code_review.py
+++ b/tests/metagpt/actions/test_write_code_review.py
@@ -12,7 +12,6 @@ from metagpt.schema import CodingContext, Document
 
 
 @pytest.mark.asyncio
-@pytest.mark.usefixtures("llm_mock")
 async def test_write_code_review(capfd):
     code = """
 def add(a, b):
diff --git a/tests/metagpt/actions/test_write_docstring.py b/tests/metagpt/actions/test_write_docstring.py
index a27395668..a0fc46ebd 100644
--- a/tests/metagpt/actions/test_write_docstring.py
+++ b/tests/metagpt/actions/test_write_docstring.py
@@ -27,14 +27,12 @@ class Person:
     ],
     ids=["google", "numpy", "sphinx"],
 )
-@pytest.mark.usefixtures("llm_mock")
 async def test_write_docstring(style: str, part: str):
     ret = await WriteDocstring().run(code, style=style)
     assert part in ret
 
 
 @pytest.mark.asyncio
-@pytest.mark.usefixtures("llm_mock")
 async def test_write():
     code = await WriteDocstring.write_docstring(__file__)
     assert code
diff --git a/tests/metagpt/actions/test_write_prd.py b/tests/metagpt/actions/test_write_prd.py
index 89b432fe2..08be3cf75 100644
--- a/tests/metagpt/actions/test_write_prd.py
+++ b/tests/metagpt/actions/test_write_prd.py
@@ -18,7 +18,6 @@ from metagpt.utils.file_repository import FileRepository
 
 
 @pytest.mark.asyncio
-@pytest.mark.usefixtures("llm_mock")
 async def test_write_prd():
     product_manager = ProductManager()
     requirements = "开发一个基于大语言模型与私有知识库的搜索引擎，希望可以基于大语言模型进行搜索总结"
diff --git a/tests/metagpt/actions/test_write_prd_review.py b/tests/metagpt/actions/test_write_prd_review.py
index 5dd94dd77..9b3f0a285 100644
--- a/tests/metagpt/actions/test_write_prd_review.py
+++ b/tests/metagpt/actions/test_write_prd_review.py
@@ -11,7 +11,6 @@ from metagpt.actions.write_prd_review import WritePRDReview
 
 
 @pytest.mark.asyncio
-@pytest.mark.usefixtures("llm_mock")
 async def test_write_prd_review():
     prd = """
     Introduction: This is a new feature for our product.
diff --git a/tests/metagpt/actions/test_write_review.py b/tests/metagpt/actions/test_write_review.py
index a73785397..2d188b720 100644
--- a/tests/metagpt/actions/test_write_review.py
+++ b/tests/metagpt/actions/test_write_review.py
@@ -46,7 +46,6 @@ CONTEXT = """
 
 
 @pytest.mark.asyncio
-@pytest.mark.usefixtures("llm_mock")
 async def test_write_review():
     write_review = WriteReview()
     review = await write_review.run(CONTEXT)
diff --git a/tests/metagpt/actions/test_write_teaching_plan.py b/tests/metagpt/actions/test_write_teaching_plan.py
index d192be544..57a4f5eb0 100644
--- a/tests/metagpt/actions/test_write_teaching_plan.py
+++ b/tests/metagpt/actions/test_write_teaching_plan.py
@@ -16,7 +16,6 @@ from metagpt.actions.write_teaching_plan import WriteTeachingPlanPart
     ("topic", "context"),
     [("Title", "Lesson 1: Learn to draw an apple."), ("Teaching Content", "Lesson 1: Learn to draw an apple.")],
 )
-@pytest.mark.usefixtures("llm_mock")
 async def test_write_teaching_plan_part(topic, context):
     action = WriteTeachingPlanPart(topic=topic, context=context)
     rsp = await action.run()
diff --git a/tests/metagpt/actions/test_write_test.py b/tests/metagpt/actions/test_write_test.py
index ecf9dc8b3..9649b9abb 100644
--- a/tests/metagpt/actions/test_write_test.py
+++ b/tests/metagpt/actions/test_write_test.py
@@ -13,7 +13,6 @@ from metagpt.schema import Document, TestingContext
 
 
 @pytest.mark.asyncio
-@pytest.mark.usefixtures("llm_mock")
 async def test_write_test():
     code = """
     import random
@@ -40,7 +39,6 @@ async def test_write_test():
 
 
 @pytest.mark.asyncio
-@pytest.mark.usefixtures("llm_mock")
 async def test_write_code_invalid_code(mocker):
     # Mock the _aask method to return an invalid code string
     mocker.patch.object(WriteTest, "_aask", return_value="Invalid Code String")
diff --git a/tests/metagpt/actions/test_write_tutorial.py b/tests/metagpt/actions/test_write_tutorial.py
index ff7a5075c..27a323b44 100644
--- a/tests/metagpt/actions/test_write_tutorial.py
+++ b/tests/metagpt/actions/test_write_tutorial.py
@@ -14,7 +14,6 @@ from metagpt.actions.write_tutorial import WriteContent, WriteDirectory
 
 @pytest.mark.asyncio
 @pytest.mark.parametrize(("language", "topic"), [("English", "Write a tutorial about Python")])
-@pytest.mark.usefixtures("llm_mock")
 async def test_write_directory(language: str, topic: str):
     ret = await WriteDirectory(language=language).run(topic=topic)
     assert isinstance(ret, dict)
@@ -30,7 +29,6 @@ async def test_write_directory(language: str, topic: str):
     ("language", "topic", "directory"),
     [("English", "Write a tutorial about Python", {"Introduction": ["What is Python?", "Why learn Python?"]})],
 )
-@pytest.mark.usefixtures("llm_mock")
 async def test_write_content(language: str, topic: str, directory: Dict):
     ret = await WriteContent(language=language, directory=directory).run(topic=topic)
     assert isinstance(ret, str)
diff --git a/tests/metagpt/roles/test_architect.py b/tests/metagpt/roles/test_architect.py
index 2f45fef84..06e4b2d11 100644
--- a/tests/metagpt/roles/test_architect.py
+++ b/tests/metagpt/roles/test_architect.py
@@ -22,7 +22,6 @@ from tests.metagpt.roles.mock import MockMessages
 
 
 @pytest.mark.asyncio
-@pytest.mark.usefixtures("llm_mock")
 async def test_architect():
     # Prerequisites
     filename = uuid.uuid4().hex + ".json"
diff --git a/tests/metagpt/roles/test_assistant.py b/tests/metagpt/roles/test_assistant.py
index 9f63da64d..24096b357 100644
--- a/tests/metagpt/roles/test_assistant.py
+++ b/tests/metagpt/roles/test_assistant.py
@@ -13,7 +13,6 @@ from pydantic import BaseModel
 from metagpt.actions.skill_action import SkillAction
 from metagpt.actions.talk_action import TalkAction
 from metagpt.config import CONFIG
-from metagpt.logs import logger
 from metagpt.memory.brain_memory import BrainMemory
 from metagpt.roles.assistant import Assistant
 from metagpt.schema import Message
@@ -21,7 +20,6 @@ from metagpt.utils.common import any_to_str
 
 
 @pytest.mark.asyncio
-@pytest.mark.usefixtures("llm_mock")
 async def test_run():
     CONFIG.language = "Chinese"
 
@@ -88,7 +86,7 @@ async def test_run():
             if not has_action:
                 break
             msg: Message = await role.act()
-            logger.info(msg)
+            # logger.info(msg)
             assert msg
             assert msg.cause_by == seed.cause_by
             assert msg.content
diff --git a/tests/metagpt/roles/test_engineer.py b/tests/metagpt/roles/test_engineer.py
index 4a76bd96e..d03aea0a6 100644
--- a/tests/metagpt/roles/test_engineer.py
+++ b/tests/metagpt/roles/test_engineer.py
@@ -30,7 +30,6 @@ from tests.metagpt.roles.mock import STRS_FOR_PARSING, TASKS, MockMessages
 
 
 @pytest.mark.asyncio
-@pytest.mark.usefixtures("llm_mock")
 async def test_engineer():
     # Prerequisites
     rqno = "20231221155954.json"
@@ -114,7 +113,6 @@ def test_todo():
 
 
 @pytest.mark.asyncio
-@pytest.mark.usefixtures("llm_mock")
 async def test_new_coding_context():
     # Prerequisites
     demo_path = Path(__file__).parent / "../../data/demo_project"
diff --git a/tests/metagpt/roles/test_invoice_ocr_assistant.py b/tests/metagpt/roles/test_invoice_ocr_assistant.py
index 9c397146d..e3a9259da 100644
--- a/tests/metagpt/roles/test_invoice_ocr_assistant.py
+++ b/tests/metagpt/roles/test_invoice_ocr_assistant.py
@@ -41,7 +41,6 @@ from metagpt.schema import Message
         ),
     ],
 )
-@pytest.mark.usefixtures("llm_mock")
 async def test_invoice_ocr_assistant(query: str, invoice_path: Path, invoice_table_path: Path, expected_result: dict):
     invoice_path = TEST_DATA_PATH / invoice_path
     role = InvoiceOCRAssistant()
diff --git a/tests/metagpt/roles/test_product_manager.py b/tests/metagpt/roles/test_product_manager.py
index 0538cbe6d..2d36923e9 100644
--- a/tests/metagpt/roles/test_product_manager.py
+++ b/tests/metagpt/roles/test_product_manager.py
@@ -13,7 +13,6 @@ from tests.metagpt.roles.mock import MockMessages
 
 
 @pytest.mark.asyncio
-@pytest.mark.usefixtures("llm_mock")
 async def test_product_manager():
     product_manager = ProductManager()
     rsp = await product_manager.run(MockMessages.req)
diff --git a/tests/metagpt/roles/test_project_manager.py b/tests/metagpt/roles/test_project_manager.py
index fe2cd8ddb..9207623bc 100644
--- a/tests/metagpt/roles/test_project_manager.py
+++ b/tests/metagpt/roles/test_project_manager.py
@@ -13,7 +13,6 @@ from tests.metagpt.roles.mock import MockMessages
 
 
 @pytest.mark.asyncio
-@pytest.mark.usefixtures("llm_mock")
 async def test_project_manager():
     project_manager = ProjectManager()
     rsp = await project_manager.run(MockMessages.system_design)
diff --git a/tests/metagpt/roles/test_teacher.py b/tests/metagpt/roles/test_teacher.py
index 4da860b51..521e59c96 100644
--- a/tests/metagpt/roles/test_teacher.py
+++ b/tests/metagpt/roles/test_teacher.py
@@ -103,7 +103,6 @@ async def test_new_file_name():
 
 
 @pytest.mark.asyncio
-@pytest.mark.usefixtures("llm_mock")
 async def test_run():
     CONFIG.set_context({"language": "Chinese", "teaching_language": "English"})
     lesson = """
diff --git a/tests/metagpt/roles/test_tutorial_assistant.py b/tests/metagpt/roles/test_tutorial_assistant.py
index 4653bc18b..0e6c1efb9 100644
--- a/tests/metagpt/roles/test_tutorial_assistant.py
+++ b/tests/metagpt/roles/test_tutorial_assistant.py
@@ -15,7 +15,6 @@ from metagpt.roles.tutorial_assistant import TutorialAssistant
 
 @pytest.mark.asyncio
 @pytest.mark.parametrize(("language", "topic"), [("Chinese", "Write a tutorial about pip")])
-@pytest.mark.usefixtures("llm_mock")
 async def test_tutorial_assistant(language: str, topic: str):
     role = TutorialAssistant(language=language)
     msg = await role.run(topic)
diff --git a/tests/metagpt/serialize_deserialize/test_action.py b/tests/metagpt/serialize_deserialize/test_action.py
index 571fd52ac..81879e34e 100644
--- a/tests/metagpt/serialize_deserialize/test_action.py
+++ b/tests/metagpt/serialize_deserialize/test_action.py
@@ -21,7 +21,6 @@ def test_action_serialize():
 
 
 @pytest.mark.asyncio
-@pytest.mark.usefixtures("llm_mock")
 async def test_action_deserialize():
     action = Action()
     serialized_data = action.model_dump()
diff --git a/tests/metagpt/serialize_deserialize/test_architect_deserialize.py b/tests/metagpt/serialize_deserialize/test_architect_deserialize.py
index 81eec0c9d..b113912a7 100644
--- a/tests/metagpt/serialize_deserialize/test_architect_deserialize.py
+++ b/tests/metagpt/serialize_deserialize/test_architect_deserialize.py
@@ -17,7 +17,6 @@ def test_architect_serialize():
 
 
 @pytest.mark.asyncio
-@pytest.mark.usefixtures("llm_mock")
 async def test_architect_deserialize():
     role = Architect()
     ser_role_dict = role.model_dump(by_alias=True)
diff --git a/tests/metagpt/serialize_deserialize/test_prepare_interview.py b/tests/metagpt/serialize_deserialize/test_prepare_interview.py
index a47b89bc7..cd9912103 100644
--- a/tests/metagpt/serialize_deserialize/test_prepare_interview.py
+++ b/tests/metagpt/serialize_deserialize/test_prepare_interview.py
@@ -8,7 +8,6 @@ from metagpt.actions.prepare_interview import PrepareInterview
 
 
 @pytest.mark.asyncio
-@pytest.mark.usefixtures("llm_mock")
 async def test_action_deserialize():
     action = PrepareInterview()
     serialized_data = action.model_dump()
diff --git a/tests/metagpt/serialize_deserialize/test_product_manager.py b/tests/metagpt/serialize_deserialize/test_product_manager.py
index f8a22471b..5e1624503 100644
--- a/tests/metagpt/serialize_deserialize/test_product_manager.py
+++ b/tests/metagpt/serialize_deserialize/test_product_manager.py
@@ -10,7 +10,6 @@ from metagpt.schema import Message
 
 
 @pytest.mark.asyncio
-@pytest.mark.usefixtures("llm_mock")
 async def test_product_manager_deserialize():
     role = ProductManager()
     ser_role_dict = role.model_dump(by_alias=True)
diff --git a/tests/metagpt/serialize_deserialize/test_project_manager.py b/tests/metagpt/serialize_deserialize/test_project_manager.py
index 2cff7a35c..1088a4461 100644
--- a/tests/metagpt/serialize_deserialize/test_project_manager.py
+++ b/tests/metagpt/serialize_deserialize/test_project_manager.py
@@ -18,7 +18,6 @@ def test_project_manager_serialize():
 
 
 @pytest.mark.asyncio
-@pytest.mark.usefixtures("llm_mock")
 async def test_project_manager_deserialize():
     role = ProjectManager()
     ser_role_dict = role.model_dump(by_alias=True)
diff --git a/tests/metagpt/serialize_deserialize/test_role.py b/tests/metagpt/serialize_deserialize/test_role.py
index d34259351..d38797baf 100644
--- a/tests/metagpt/serialize_deserialize/test_role.py
+++ b/tests/metagpt/serialize_deserialize/test_role.py
@@ -69,7 +69,6 @@ def test_engineer_serialize():
 
 
 @pytest.mark.asyncio
-@pytest.mark.usefixtures("llm_mock")
 async def test_engineer_deserialize():
     role = Engineer(use_code_review=True)
     ser_role_dict = role.model_dump()
@@ -97,7 +96,6 @@ def test_role_serdeser_save():
 
 
 @pytest.mark.asyncio
-@pytest.mark.usefixtures("llm_mock")
 async def test_role_serdeser_interrupt():
     role_c = RoleC()
     shutil.rmtree(SERDESER_PATH.joinpath("team"), ignore_errors=True)
diff --git a/tests/metagpt/serialize_deserialize/test_team.py b/tests/metagpt/serialize_deserialize/test_team.py
index 808f5089b..566f63c3d 100644
--- a/tests/metagpt/serialize_deserialize/test_team.py
+++ b/tests/metagpt/serialize_deserialize/test_team.py
@@ -109,7 +109,6 @@ async def test_team_recover_save():
 
 
 @pytest.mark.asyncio
-@pytest.mark.usefixtures("llm_mock")
 async def test_team_recover_multi_roles_save():
     idea = "write a snake game"
     stg_path = SERDESER_PATH.joinpath("team")
diff --git a/tests/metagpt/serialize_deserialize/test_write_code.py b/tests/metagpt/serialize_deserialize/test_write_code.py
index 809d44a91..cb262bb45 100644
--- a/tests/metagpt/serialize_deserialize/test_write_code.py
+++ b/tests/metagpt/serialize_deserialize/test_write_code.py
@@ -17,7 +17,6 @@ def test_write_design_serialize():
 
 
 @pytest.mark.asyncio
-@pytest.mark.usefixtures("llm_mock")
 async def test_write_code_deserialize():
     context = CodingContext(
         filename="test_code.py", design_doc=Document(content="write add function to calculate two numbers")
diff --git a/tests/metagpt/serialize_deserialize/test_write_code_review.py b/tests/metagpt/serialize_deserialize/test_write_code_review.py
index 95df7f7c3..991b3c13b 100644
--- a/tests/metagpt/serialize_deserialize/test_write_code_review.py
+++ b/tests/metagpt/serialize_deserialize/test_write_code_review.py
@@ -9,7 +9,6 @@ from metagpt.schema import CodingContext, Document
 
 
 @pytest.mark.asyncio
-@pytest.mark.usefixtures("llm_mock")
 async def test_write_code_review_deserialize():
     code_content = """
 def div(a: int, b: int = 0):
diff --git a/tests/metagpt/serialize_deserialize/test_write_design.py b/tests/metagpt/serialize_deserialize/test_write_design.py
index 72cbdc8a8..7bcba3fc8 100644
--- a/tests/metagpt/serialize_deserialize/test_write_design.py
+++ b/tests/metagpt/serialize_deserialize/test_write_design.py
@@ -22,7 +22,6 @@ def test_write_task_serialize():
 
 
 @pytest.mark.asyncio
-@pytest.mark.usefixtures("llm_mock")
 async def test_write_design_deserialize():
     action = WriteDesign()
     serialized_data = action.model_dump()
@@ -32,7 +31,6 @@ async def test_write_design_deserialize():
 
 
 @pytest.mark.asyncio
-@pytest.mark.usefixtures("llm_mock")
 async def test_write_task_deserialize():
     action = WriteTasks()
     serialized_data = action.model_dump()
diff --git a/tests/metagpt/serialize_deserialize/test_write_docstring.py b/tests/metagpt/serialize_deserialize/test_write_docstring.py
index 76b602d42..e4116ab30 100644
--- a/tests/metagpt/serialize_deserialize/test_write_docstring.py
+++ b/tests/metagpt/serialize_deserialize/test_write_docstring.py
@@ -29,7 +29,6 @@ class Person:
     ],
     ids=["google", "numpy", "sphinx"],
 )
-@pytest.mark.usefixtures("llm_mock")
 async def test_action_deserialize(style: str, part: str):
     action = WriteDocstring()
     serialized_data = action.model_dump()
diff --git a/tests/metagpt/serialize_deserialize/test_write_prd.py b/tests/metagpt/serialize_deserialize/test_write_prd.py
index 8f58f1f02..890e2438b 100644
--- a/tests/metagpt/serialize_deserialize/test_write_prd.py
+++ b/tests/metagpt/serialize_deserialize/test_write_prd.py
@@ -17,7 +17,6 @@ def test_action_serialize():
 
 
 @pytest.mark.asyncio
-@pytest.mark.usefixtures("llm_mock")
 async def test_action_deserialize():
     action = WritePRD()
     serialized_data = action.model_dump()
diff --git a/tests/metagpt/serialize_deserialize/test_write_review.py b/tests/metagpt/serialize_deserialize/test_write_review.py
index ccd645db0..f02a01910 100644
--- a/tests/metagpt/serialize_deserialize/test_write_review.py
+++ b/tests/metagpt/serialize_deserialize/test_write_review.py
@@ -42,7 +42,6 @@ CONTEXT = """
 
 
 @pytest.mark.asyncio
-@pytest.mark.usefixtures("llm_mock")
 async def test_action_deserialize():
     action = WriteReview()
     serialized_data = action.model_dump()
diff --git a/tests/metagpt/serialize_deserialize/test_write_tutorial.py b/tests/metagpt/serialize_deserialize/test_write_tutorial.py
index 40c1d3619..606a90f8c 100644
--- a/tests/metagpt/serialize_deserialize/test_write_tutorial.py
+++ b/tests/metagpt/serialize_deserialize/test_write_tutorial.py
@@ -9,7 +9,6 @@ from metagpt.actions.write_tutorial import WriteContent, WriteDirectory
 
 @pytest.mark.asyncio
 @pytest.mark.parametrize(("language", "topic"), [("English", "Write a tutorial about Python")])
-@pytest.mark.usefixtures("llm_mock")
 async def test_write_directory_deserialize(language: str, topic: str):
     action = WriteDirectory()
     serialized_data = action.model_dump()
@@ -31,7 +30,6 @@ async def test_write_directory_deserialize(language: str, topic: str):
     ("language", "topic", "directory"),
     [("English", "Write a tutorial about Python", {"Introduction": ["What is Python?", "Why learn Python?"]})],
 )
-@pytest.mark.usefixtures("llm_mock")
 async def test_write_content_deserialize(language: str, topic: str, directory: Dict):
     action = WriteContent(language=language, directory=directory)
     serialized_data = action.model_dump()
diff --git a/tests/metagpt/tools/test_translate.py b/tests/metagpt/tools/test_translate.py
index 22ba4bfbc..53f00a88a 100644
--- a/tests/metagpt/tools/test_translate.py
+++ b/tests/metagpt/tools/test_translate.py
@@ -14,7 +14,6 @@ from metagpt.tools.translator import Translator
 
 @pytest.mark.asyncio
 @pytest.mark.usefixtures("llm_api")
-@pytest.mark.usefixtures("llm_mock")
 async def test_translate(llm_api):
     poetries = [
         ("Let life be beautiful like summer flowers", "花"),