diff --git a/src/main/python/macro_action.py b/src/main/python/macro_action.py
index 70a3cdc..76e28b3 100644
--- a/src/main/python/macro_action.py
+++ b/src/main/python/macro_action.py
@@ -41,7 +41,6 @@ class ActionText(BasicAction):
         self.container.removeWidget(self.text)
 
     def delete(self):
-        self.text.setParent(None)
         self.text.deleteLater()
 
     def serialize(self):
@@ -100,11 +99,8 @@ class ActionSequence(BasicAction):
 
     def delete(self):
         for w in self.widgets:
-            w.setParent(None)
             w.deleteLater()
-        self.btn_plus.setParent(None)
         self.btn_plus.deleteLater()
-        self.layout_container.setParent(None)
         self.layout_container.deleteLater()
 
     def on_add(self):
diff --git a/src/main/python/macro_line.py b/src/main/python/macro_line.py
index 0260846..d32e8b1 100644
--- a/src/main/python/macro_line.py
+++ b/src/main/python/macro_line.py
@@ -62,15 +62,10 @@ class MacroLine(QObject):
 
     def delete(self):
         self.action.delete()
-        self.btn_remove.setParent(None)
         self.btn_remove.deleteLater()
-        self.select_type.setParent(None)
         self.select_type.deleteLater()
-        self.arrows.setParent(None)
         self.arrows.deleteLater()
-        self.btn_up.setParent(None)
         self.btn_up.deleteLater()
-        self.btn_down.setParent(None)
         self.btn_down.deleteLater()
 
     def on_change_type(self):