diff --git a/ui/widgets/popup_menu.cpp b/ui/widgets/popup_menu.cpp
index ad7f62d..9417959 100644
--- a/ui/widgets/popup_menu.cpp
+++ b/ui/widgets/popup_menu.cpp
@@ -384,8 +384,7 @@ void PopupMenu::handleMenuResize() {
 			newWidth,
 			_padding.top() + scrollHeight + _padding.bottom());
 		if (::Platform::IsMac()) {
-			setMaximumSize(newSize);
-			setMinimumSize(newSize);
+			setFixedSize(newSize);
 		}
 		resize(newSize);
 	}
diff --git a/ui/widgets/separate_panel.cpp b/ui/widgets/separate_panel.cpp
index e912181..fc173c4 100644
--- a/ui/widgets/separate_panel.cpp
+++ b/ui/widgets/separate_panel.cpp
@@ -671,21 +671,15 @@ void SeparatePanel::initGeometry(QSize size) {
 		const QRect initRect(QPoint(), size);
 		return initRect.translated(center - initRect.center()).marginsAdded(_padding);
 	}();
-	setGeometry(rect);
-	setMinimumSize(rect.size());
-	setMaximumSize(rect.size());
+	move(rect.topLeft());
+	setFixedSize(rect.size());
 	updateControlsGeometry();
 }
 
 void SeparatePanel::updateGeometry(QSize size) {
-	const auto rect = QRect(
-		x(),
-		y(),
+	setFixedSize(
 		_padding.left() + size.width() + _padding.right(),
 		_padding.top() + size.height() + _padding.bottom());
-	setGeometry(rect);
-	setMinimumSize(rect.size());
-	setMaximumSize(rect.size());
 	updateControlsGeometry();
 	update();
 }