diff --git a/monkey/infection_monkey/system_singleton.py b/monkey/infection_monkey/system_singleton.py
index 9576ff9f7..3bba2766f 100644
--- a/monkey/infection_monkey/system_singleton.py
+++ b/monkey/infection_monkey/system_singleton.py
@@ -11,11 +11,6 @@ LOG = logging.getLogger(__name__)
 
 
 class _SystemSingleton(object, metaclass=ABCMeta):
-    @property
-    @abstractmethod
-    def locked(self):
-        raise NotImplementedError()
-
     @abstractmethod
     def try_lock(self):
         raise NotImplementedError()
@@ -30,10 +25,6 @@ class WindowsSystemSingleton(_SystemSingleton):
         self._mutex_name = r"Global\%s" % (WormConfiguration.singleton_mutex_name,)
         self._mutex_handle = None
 
-    @property
-    def locked(self):
-        return self._mutex_handle is not None
-
     def try_lock(self):
         assert self._mutex_handle is None, "Singleton already locked"
 
@@ -67,10 +58,6 @@ class LinuxSystemSingleton(_SystemSingleton):
         self._unix_sock_name = str(WormConfiguration.singleton_mutex_name)
         self._sock_handle = None
 
-    @property
-    def locked(self):
-        return self._sock_handle is not None
-
     def try_lock(self):
         assert self._sock_handle is None, "Singleton already locked"