diff --git a/python_core/config.py b/python_core/config.py
index 7e3f0fe..0f859b3 100644
--- a/python_core/config.py
+++ b/python_core/config.py
@@ -8,12 +8,7 @@ Central configuration management for the MixVideo V2 application.
 import os
 from pathlib import Path
 from typing import Dict, Any
-try:
-    from pydantic_settings import BaseSettings
-    from pydantic import Field
-except ImportError:
-    # Fallback for older pydantic versions
-    from pydantic import BaseSettings, Field
+from pydantic import BaseSettings, Field
 
 
 class Settings(BaseSettings):
diff --git a/test_path_fix.py b/test_path_fix.py
deleted file mode 100644
index a30d504..0000000
--- a/test_path_fix.py
+++ /dev/null
@@ -1,37 +0,0 @@
-#!/usr/bin/env python3
-"""
-Test script to verify path fixes for AI video generation
-"""
-
-import os
-import sys
-import json
-
-def test_environment():
-    """Test the environment and paths"""
-    result = {
-        "status": "success",
-        "current_directory": os.getcwd(),
-        "python_executable": sys.executable,
-        "python_version": sys.version,
-        "script_path": __file__,
-        "python_core_exists": os.path.exists("python_core"),
-        "ai_video_module_exists": os.path.exists("python_core/ai_video"),
-        "video_generator_exists": os.path.exists("python_core/ai_video/video_generator.py")
-    }
-    
-    # Test module import
-    try:
-        sys.path.append('python_core')
-        from ai_video import VideoGenerator
-        result["module_import"] = "success"
-        result["module_import_error"] = None
-    except Exception as e:
-        result["module_import"] = "failed"
-        result["module_import_error"] = str(e)
-    
-    return result
-
-if __name__ == "__main__":
-    result = test_environment()
-    print(json.dumps(result, indent=2, ensure_ascii=False))