diff --git a/TermTk/TTkTestWidgets/logviewer.py b/TermTk/TTkTestWidgets/logviewer.py
index db9dc17d..5347651e 100644
--- a/TermTk/TTkTestWidgets/logviewer.py
+++ b/TermTk/TTkTestWidgets/logviewer.py
@@ -80,7 +80,8 @@ class TTkLogViewer(TTkAbstractScrollArea):
     __slots__ = ('_logView')
     def __init__(self, *args, **kwargs):
         TTkAbstractScrollArea.__init__(self, *args, **kwargs)
-        if 'parent' in kwargs: kwargs.pop('parent')
+        kwargs.pop('parent',None)
+        kwargs.pop('visible',None)
         self._logView = _TTkLogViewer(*args, **kwargs)
         self.setFocusPolicy(TTkK.ClickFocus)
         self.setViewport(self._logView)
diff --git a/TermTk/TTkWidgets/Fancy/table.py b/TermTk/TTkWidgets/Fancy/table.py
index 4233f272..e7992efd 100644
--- a/TermTk/TTkWidgets/Fancy/table.py
+++ b/TermTk/TTkWidgets/Fancy/table.py
@@ -37,7 +37,8 @@ class TTkFancyTable(TTkAbstractScrollArea):
 
     def __init__(self, *args, **kwargs):
         TTkAbstractScrollArea.__init__(self, *args, **kwargs)
-        if 'parent' in kwargs: kwargs.pop('parent')
+        kwargs.pop('parent',None)
+        kwargs.pop('visible',None)
         self._tableView = TTkFancyTableView(*args, **kwargs)
         # Forward the signal
         self.activated = self._tableView.activated
diff --git a/TermTk/TTkWidgets/Fancy/tableview.py b/TermTk/TTkWidgets/Fancy/tableview.py
index 77ef67c9..a6902002 100644
--- a/TermTk/TTkWidgets/Fancy/tableview.py
+++ b/TermTk/TTkWidgets/Fancy/tableview.py
@@ -376,7 +376,8 @@ class TTkFancyTableView(TTkAbstractScrollView):
     def __init__(self, **kwargs):
         self._excludeEvent = False
         super().__init__(**(kwargs|{'layout':TTkGridLayout()}))
-        if 'parent' in kwargs: kwargs.pop('parent')
+        kwargs.pop('parent',None)
+        kwargs.pop('visible',None)
         self._showHeader = kwargs.get('showHeader', True)
         self._tableView = _TTkFancyTableView(**kwargs)
         self._header = _TTkFancyTableViewHeader(**kwargs)
diff --git a/TermTk/TTkWidgets/Fancy/tree.py b/TermTk/TTkWidgets/Fancy/tree.py
index 975e2be6..db26c86a 100644
--- a/TermTk/TTkWidgets/Fancy/tree.py
+++ b/TermTk/TTkWidgets/Fancy/tree.py
@@ -34,7 +34,8 @@ class TTkFancyTree(TTkAbstractScrollArea):
 
     def __init__(self, *args, **kwargs):
         TTkAbstractScrollArea.__init__(self, *args, **kwargs)
-        if 'parent' in kwargs: kwargs.pop('parent')
+        kwargs.pop('parent',None)
+        kwargs.pop('visible',None)
         self._treeView = TTkFancyTreeWidget(*args, **kwargs)
         # Forward the signal
         self.activated = self._treeView.activated
diff --git a/TermTk/TTkWidgets/Fancy/treewidget.py b/TermTk/TTkWidgets/Fancy/treewidget.py
index 80117c60..7e29bdc9 100644
--- a/TermTk/TTkWidgets/Fancy/treewidget.py
+++ b/TermTk/TTkWidgets/Fancy/treewidget.py
@@ -81,7 +81,8 @@ class TTkFancyTreeWidget(TTkFancyTableView):
         super().__init__(*args, **kwargs)
         self._topLevelItems = TTkFancyTreeWidgetItem(None)
         self.doubleClicked.connect(self._doubleClickItem)
-        # if 'parent' in kwargs: kwargs.pop('parent')
+        # kwargs.pop('parent',None)
+        # kwargs.pop('visible',None)
 
     def _expand(self, item, depth):
         item.setExpand(True)
diff --git a/TermTk/TTkWidgets/TTkModelView/tree.py b/TermTk/TTkWidgets/TTkModelView/tree.py
index a7b62fde..b73a5323 100644
--- a/TermTk/TTkWidgets/TTkModelView/tree.py
+++ b/TermTk/TTkWidgets/TTkModelView/tree.py
@@ -38,7 +38,8 @@ class TTkTree(TTkAbstractScrollArea):
 
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
-        if 'parent' in kwargs: kwargs.pop('parent')
+        kwargs.pop('parent',None)
+        kwargs.pop('visible',None)
         self._treeView = kwargs.get('treeWidget',TTkTreeWidget(*args, **kwargs))
         self.setViewport(self._treeView)
         self.setFocusPolicy(TTkK.ClickFocus)
diff --git a/TermTk/TTkWidgets/TTkPickers/textpicker.py b/TermTk/TTkWidgets/TTkPickers/textpicker.py
index 32ee4f09..d2b37c64 100644
--- a/TermTk/TTkWidgets/TTkPickers/textpicker.py
+++ b/TermTk/TTkWidgets/TTkPickers/textpicker.py
@@ -123,7 +123,8 @@ class _emojiPickerArea(TTkAbstractScrollArea):
     __slots__ = ('_areaView')
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
-        if 'parent' in kwargs: kwargs.pop('parent')
+        kwargs.pop('parent',None)
+        kwargs.pop('visible',None)
         self._areaView = _emojiPickerView(*args, **kwargs)
         self.setFocusPolicy(TTkK.ClickFocus)
         self.setViewport(self._areaView)
diff --git a/TermTk/TTkWidgets/TTkTerminal/terminal.py b/TermTk/TTkWidgets/TTkTerminal/terminal.py
index 76d1b244..990b6620 100644
--- a/TermTk/TTkWidgets/TTkTerminal/terminal.py
+++ b/TermTk/TTkWidgets/TTkTerminal/terminal.py
@@ -44,7 +44,8 @@ class TTkTerminal(TTkAbstractScrollArea):
                  'termData', 'termResized')
     def __init__(self, *args, **kwargs):
         TTkAbstractScrollArea.__init__(self, *args, **kwargs)
-        if 'parent' in kwargs: kwargs.pop('parent')
+        kwargs.pop('parent',None)
+        kwargs.pop('visible',None)
         self._terminalView = TTkTerminalView(*args, **kwargs)
         self.setFocusPolicy(TTkK.ClickFocus)
         self.setViewport(self._terminalView)
diff --git a/TermTk/TTkWidgets/kodetab.py b/TermTk/TTkWidgets/kodetab.py
index d98478aa..cd54c04c 100644
--- a/TermTk/TTkWidgets/kodetab.py
+++ b/TermTk/TTkWidgets/kodetab.py
@@ -190,7 +190,8 @@ class TTkKodeTab(TTkSplitter):
         self.tabBarClicked     = pyTTkSignal(TTkTabWidget,int,TTkWidget,object)
         self.tabCloseRequested = pyTTkSignal(TTkTabWidget,int)
         super().__init__(**kwargs|{'layout':TTkGridLayout()})
-        if 'parent' in kwargs: kwargs.pop('parent')
+        kwargs.pop('parent',None)
+        kwargs.pop('visible',None)
         # self.layout().addWidget(splitter := TTkSplitter())
         self._lastKodeTabWidget = _TTkKodeTab(baseWidget=self, **kwargs)
         self.addWidget(self._lastKodeTabWidget)
diff --git a/TermTk/TTkWidgets/list_.py b/TermTk/TTkWidgets/list_.py
index b6450e30..b2fe3f68 100644
--- a/TermTk/TTkWidgets/list_.py
+++ b/TermTk/TTkWidgets/list_.py
@@ -40,7 +40,8 @@ class TTkList(TTkAbstractScrollArea):
 
     def __init__(self, *args, **kwargs):
         TTkAbstractScrollArea.__init__(self, *args, **kwargs)
-        if 'parent' in kwargs: kwargs.pop('parent')
+        kwargs.pop('parent',None)
+        kwargs.pop('visible',None)
         self._listView = kwargs.get('listWidget',TTkListWidget(*args, **kwargs))
         self.setViewport(self._listView)
         self.itemClicked = self._listView.itemClicked
diff --git a/TermTk/TTkWidgets/scrollarea.py b/TermTk/TTkWidgets/scrollarea.py
index 597e04d1..6f33484a 100644
--- a/TermTk/TTkWidgets/scrollarea.py
+++ b/TermTk/TTkWidgets/scrollarea.py
@@ -55,7 +55,8 @@ class TTkScrollArea(TTkAbstractScrollArea):
     __slots__ = ('_areaView')
     def __init__(self, *args, **kwargs):
         TTkAbstractScrollArea.__init__(self, *args, **kwargs)
-        if 'parent' in kwargs: kwargs.pop('parent')
+        kwargs.pop('parent',None)
+        kwargs.pop('visible',None)
         self._areaView = _TTkAreaWidget(*args, **kwargs)
         self.setFocusPolicy(TTkK.ClickFocus)
         self.setViewport(self._areaView)
\ No newline at end of file
diff --git a/TermTk/TTkWidgets/texedit.py b/TermTk/TTkWidgets/texedit.py
index 760ce4d3..52691fa6 100644
--- a/TermTk/TTkWidgets/texedit.py
+++ b/TermTk/TTkWidgets/texedit.py
@@ -804,7 +804,8 @@ class TTkTextEdit(TTkAbstractScrollArea):
         )
     def __init__(self, textEditView=None, lineNumber=False, lineNumberStarting=0, **kwargs):
         super().__init__(**kwargs)
-        if 'parent' in kwargs: kwargs.pop('parent')
+        kwargs.pop('parent', None)
+        kwargs.pop('visible', None)
         self._textEditView = textEditView if textEditView else TTkTextEditView(**kwargs)
         # self.setFocusPolicy(self._textEditView.focusPolicy())
         # self._textEditView.setFocusPolicy(TTkK.ParentFocus)
diff --git a/tests/t.ui/test.ui.021.abstractscroll.01.py b/tests/t.ui/test.ui.021.abstractscroll.01.py
index c9938be6..fe52695c 100755
--- a/tests/t.ui/test.ui.021.abstractscroll.01.py
+++ b/tests/t.ui/test.ui.021.abstractscroll.01.py
@@ -31,7 +31,8 @@ class ScrollAreaTest(ttk.TTkAbstractScrollArea):
     __slots__ = ('_areaView')
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
-        if 'parent' in kwargs: kwargs.pop('parent')
+        kwargs.pop('parent',None)
+        kwargs.pop('visible',None)
         self.setFocusPolicy(ttk.TTkK.ClickFocus)
         self.setViewport(ttk.TTkTestAbstractScrollWidget(areaSize=(100,40), areaPos=(10,5)))
 
diff --git a/tests/t.ui/test.ui.021.abstractscroll.02.py b/tests/t.ui/test.ui.021.abstractscroll.02.py
index 983fc185..fe5d78a8 100755
--- a/tests/t.ui/test.ui.021.abstractscroll.02.py
+++ b/tests/t.ui/test.ui.021.abstractscroll.02.py
@@ -31,7 +31,8 @@ class ScrollAreaTest(ttk.TTkAbstractScrollArea):
     __slots__ = ('_areaView')
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
-        if 'parent' in kwargs: kwargs.pop('parent')
+        kwargs.pop('parent',None)
+        kwargs.pop('visible',None)
         self.setFocusPolicy(ttk.TTkK.ClickFocus)
         scrollLayout = ttk.TTkAbstractScrollViewGridLayout()
         w1 = ttk.TTkTestAbstractScrollWidget(areaSize=(100,40), areaPos=(10,5))