diff --git a/memoryscope/core/operation/backend_operation.py b/memoryscope/core/operation/backend_operation.py
index 3d7f8514..27b0d5e5 100644
--- a/memoryscope/core/operation/backend_operation.py
+++ b/memoryscope/core/operation/backend_operation.py
@@ -11,7 +11,6 @@ class BackendOperation(FrontendOperation):
     It manages operation status, loop control, and integrates with a global context for thread management.
     """
     operation_type: OPERATION_TYPE = "backend"
-    operation_lock: threading.Lock = threading.Lock()
 
     def __init__(self, interval_time: int, **kwargs):
         super().__init__(**kwargs)
@@ -54,8 +53,7 @@ class BackendOperation(FrontendOperation):
 
                 for target_name in self.target_names:
                     try:
-                        with BackendOperation.operation_lock:
-                            self.run_operation(target_name=target_name, **kwargs)
+                        self.run_operation(target_name=target_name, **kwargs)
                     except Exception as e:
                         self.logger.exception(f"op_name={self.name} target_name={target_name} encounter exception. "
                                               f"args={e.args}")