diff --git a/api/src/inference/voice_manager.py b/api/src/inference/voice_manager.py
index fb73e35..56557e6 100644
--- a/api/src/inference/voice_manager.py
+++ b/api/src/inference/voice_manager.py
@@ -197,7 +197,6 @@ class VoiceManager:
 
 # Global singleton instance and lock
 _manager_instance = None
-_manager_lock = asyncio.Lock()
 
 
 async def get_manager(config: Optional[VoiceConfig] = None) -> VoiceManager:
@@ -211,13 +210,6 @@ async def get_manager(config: Optional[VoiceConfig] = None) -> VoiceManager:
     """
     global _manager_instance
     
-    # Fast path - return existing instance
-    if _manager_instance is not None:
-        return _manager_instance
-        
-    # Slow path - create new instance with lock
-    async with _manager_lock:
-        # Double-check pattern
-        if _manager_instance is None:
-            _manager_instance = VoiceManager(config)
-        return _manager_instance
\ No newline at end of file
+    if _manager_instance is None:
+        _manager_instance = VoiceManager(config)
+    return _manager_instance
\ No newline at end of file