diff --git a/packages/alice/lib/ui/calls_list/page/alice_calls_list_page.dart b/packages/alice/lib/ui/calls_list/page/alice_calls_list_page.dart
index 08109757..4f4b2141 100644
--- a/packages/alice/lib/ui/calls_list/page/alice_calls_list_page.dart
+++ b/packages/alice/lib/ui/calls_list/page/alice_calls_list_page.dart
@@ -256,6 +256,9 @@ class _AliceCallsListPageState extends State<AliceCallsListPage>
   /// Called when save to file has been pressed. It saves data to file.
   void _saveToFile() async {
     final result = await aliceCore.saveCallsToFile(context);
+
+    if (!mounted) return;
+
     if (result.success) {
       AliceGeneralDialog.show(
         context: context,
@@ -309,7 +312,7 @@ class _AliceCallsListPageState extends State<AliceCallsListPage>
   Future<void> _onSortPressed() async {
     AliceSortDialogResult? result = await showDialog<AliceSortDialogResult>(
       context: context,
-      builder: (BuildContext buildContext) => AliceSortDialog(
+      builder: (_) => AliceSortDialog(
         sortOption: _sortOption,
         sortAscending: _sortAscending,
       ),
diff --git a/packages/alice/lib/ui/common/alice_dialog.dart b/packages/alice/lib/ui/common/alice_dialog.dart
index ee2fa9e8..dc2c3c0d 100644
--- a/packages/alice/lib/ui/common/alice_dialog.dart
+++ b/packages/alice/lib/ui/common/alice_dialog.dart
@@ -17,7 +17,7 @@ class AliceGeneralDialog {
   }) =>
       showDialog<void>(
         context: context,
-        builder: (BuildContext buildContext) {
+        builder: (BuildContext context) {
           return Theme(
             data: AliceTheme.getTheme(),
             child: AlertDialog(
diff --git a/packages/alice/lib/ui/common/alice_navigation.dart b/packages/alice/lib/ui/common/alice_navigation.dart
index f674a0e7..70bcd1c7 100644
--- a/packages/alice/lib/ui/common/alice_navigation.dart
+++ b/packages/alice/lib/ui/common/alice_navigation.dart
@@ -49,7 +49,7 @@ class AliceNavigation {
     return Navigator.push<void>(
       context,
       MaterialPageRoute(
-        builder: (context) => child,
+        builder: (_) => child,
       ),
     );
   }