diff --git a/marl_factory_grid/modules/machines/rules.py b/marl_factory_grid/modules/machines/rules.py
index 18709dc..84cd4ba 100644
--- a/marl_factory_grid/modules/machines/rules.py
+++ b/marl_factory_grid/modules/machines/rules.py
@@ -27,9 +27,3 @@ class MachineRule(Rule):
 
     def on_check_done(self, state) -> List[DoneResult]:
         pass
-
-
-class DoneOnBreakRule(Rule):
-
-    def on_check_done(self, state) -> List[DoneResult]:
-        pass
\ No newline at end of file