diff --git a/bec_widgets/widgets/services/device_browser/device_item/device_config_dialog.py b/bec_widgets/widgets/services/device_browser/device_item/device_config_dialog.py
index ceaea99a..704997b4 100644
--- a/bec_widgets/widgets/services/device_browser/device_item/device_config_dialog.py
+++ b/bec_widgets/widgets/services/device_browser/device_item/device_config_dialog.py
@@ -324,12 +324,10 @@ class DirectUpdateDeviceConfigDialog(BECWidget, DeviceConfigDialog):
     def _start_waiting_display(self):
         self._overlay_widget.setVisible(True)
         self._spinner.start()
-        QApplication.processEvents()  # TODO check if this kills performance and scheduling!
 
     def _stop_waiting_display(self):
         self._overlay_widget.setVisible(False)
         self._spinner.stop()
-        QApplication.processEvents()  # TODO check if this kills performance and scheduling!
 
 
 def main():  # pragma: no cover
diff --git a/bec_widgets/widgets/services/scan_history_browser/components/scan_history_view.py b/bec_widgets/widgets/services/scan_history_browser/components/scan_history_view.py
index 1a417f21..687d0b9c 100644
--- a/bec_widgets/widgets/services/scan_history_browser/components/scan_history_view.py
+++ b/bec_widgets/widgets/services/scan_history_browser/components/scan_history_view.py
@@ -177,12 +177,10 @@ class ScanHistoryView(BECWidget, QtWidgets.QTreeWidget):
     def _start_waiting_display(self):
         self._overlay_widget.setVisible(True)
         self._spinner.start()
-        QtWidgets.QApplication.processEvents()
 
     def _stop_waiting_display(self):
         self._overlay_widget.setVisible(False)
         self._spinner.stop()
-        QtWidgets.QApplication.processEvents()
 
     def _current_item_changed(
         self, current: QtWidgets.QTreeWidgetItem, previous: QtWidgets.QTreeWidgetItem