diff --git a/api/services/app_model_config_service.py b/api/services/app_model_config_service.py
index a35b0dd36e..f2caeb14ff 100644
--- a/api/services/app_model_config_service.py
+++ b/api/services/app_model_config_service.py
@@ -1,8 +1,6 @@
-from core.app.advanced_chat.config_validator import AdvancedChatAppConfigValidator
 from core.app.agent_chat.config_validator import AgentChatAppConfigValidator
 from core.app.chat.config_validator import ChatAppConfigValidator
 from core.app.completion.config_validator import CompletionAppConfigValidator
-from core.app.workflow.config_validator import WorkflowAppConfigValidator
 from models.model import AppMode