diff --git a/src/simudator/processor/simple/simple.py b/src/simudator/processor/simple/simple.py
index 7b66364741fab4904a2eb9d0cf6c41ba42c76587..2d01160fd065a187a574c6873ab474e67db04fd6 100644
--- a/src/simudator/processor/simple/simple.py
+++ b/src/simudator/processor/simple/simple.py
@@ -15,6 +15,8 @@ class SIMPLE_CPU(Processor):
     This cpu is made to test core modules and module graphics items for these modules.
     """
 
+    __slots__ = ()
+
     def __init__(self) -> None:
         super().__init__()
         # Creating all signals