diff --git a/api/core/agent/base_agent_runner.py b/api/core/agent/base_agent_runner.py
index 555b17e5dd..3c6d36afe4 100644
--- a/api/core/agent/base_agent_runner.py
+++ b/api/core/agent/base_agent_runner.py
@@ -289,7 +289,6 @@ class BaseAgentRunner(AppRunner):
         Create agent thought
         """
         thought = MessageAgentThought(
-            id=str(uuid.uuid4()),
             message_id=message_id,
             message_chain_id=None,
             tool_process_data=None,
diff --git a/api/tests/test_containers_integration_tests/services/test_agent_service.py b/api/tests/test_containers_integration_tests/services/test_agent_service.py
index 3be2798085..a22d6f8fbf 100644
--- a/api/tests/test_containers_integration_tests/services/test_agent_service.py
+++ b/api/tests/test_containers_integration_tests/services/test_agent_service.py
@@ -230,7 +230,6 @@ class TestAgentService:
 
         # Create first agent thought
         thought1 = MessageAgentThought(
-            id=fake.uuid4(),
             message_id=message.id,
             position=1,
             thought="I need to analyze the user's request",
@@ -257,7 +256,6 @@ class TestAgentService:
 
         # Create second agent thought
         thought2 = MessageAgentThought(
-            id=fake.uuid4(),
             message_id=message.id,
             position=2,
             thought="Based on the analysis, I can provide a response",
@@ -545,7 +543,6 @@ class TestAgentService:
 
         # Create agent thought with tool error
         thought_with_error = MessageAgentThought(
-            id=fake.uuid4(),
             message_id=message.id,
             position=1,
             thought="I need to analyze the user's request",
@@ -759,7 +756,6 @@ class TestAgentService:
 
         # Create agent thought with multiple tools
         complex_thought = MessageAgentThought(
-            id=fake.uuid4(),
             message_id=message.id,
             position=1,
             thought="I need to use multiple tools to complete this task",
@@ -877,7 +873,6 @@ class TestAgentService:
 
         # Create agent thought with files
         thought_with_files = MessageAgentThought(
-            id=fake.uuid4(),
             message_id=message.id,
             position=1,
             thought="I need to process some files",
@@ -957,7 +952,6 @@ class TestAgentService:
 
         # Create agent thought with empty tool data
         empty_thought = MessageAgentThought(
-            id=fake.uuid4(),
             message_id=message.id,
             position=1,
             thought="I need to analyze the user's request",
@@ -999,7 +993,6 @@ class TestAgentService:
 
         # Create agent thought with malformed JSON
         malformed_thought = MessageAgentThought(
-            id=fake.uuid4(),
             message_id=message.id,
             position=1,
             thought="I need to analyze the user's request",