diff --git a/lib/screens/HostInfoScreen.dart b/lib/screens/HostInfoScreen.dart
index 1c850b8..7e5ac05 100644
--- a/lib/screens/HostInfoScreen.dart
+++ b/lib/screens/HostInfoScreen.dart
@@ -1,6 +1,5 @@
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
-import 'package:flutter_platform_widgets/flutter_platform_widgets.dart';
 import 'package:mobile_nebula/components/DangerButton.dart';
 import 'package:mobile_nebula/components/SimplePage.dart';
 import 'package:mobile_nebula/components/config/ConfigCheckboxItem.dart';
diff --git a/lib/screens/siteConfig/AddCertificateScreen.dart b/lib/screens/siteConfig/AddCertificateScreen.dart
index 1360f1a..0fc09e8 100644
--- a/lib/screens/siteConfig/AddCertificateScreen.dart
+++ b/lib/screens/siteConfig/AddCertificateScreen.dart
@@ -1,4 +1,3 @@
-import 'dart:async';
 import 'dart:convert';
 
 import 'package:flutter/cupertino.dart';
diff --git a/lib/screens/siteConfig/CertificateDetailsScreen.dart b/lib/screens/siteConfig/CertificateDetailsScreen.dart
index 6b421a5..da5fd97 100644
--- a/lib/screens/siteConfig/CertificateDetailsScreen.dart
+++ b/lib/screens/siteConfig/CertificateDetailsScreen.dart
@@ -1,6 +1,5 @@
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
-import 'package:flutter_platform_widgets/flutter_platform_widgets.dart';
 import 'package:mobile_nebula/components/DangerButton.dart';
 import 'package:mobile_nebula/components/FormPage.dart';
 import 'package:mobile_nebula/components/config/ConfigItem.dart';
diff --git a/lib/screens/siteConfig/UnsafeRouteScreen.dart b/lib/screens/siteConfig/UnsafeRouteScreen.dart
index ab168b0..351ddd0 100644
--- a/lib/screens/siteConfig/UnsafeRouteScreen.dart
+++ b/lib/screens/siteConfig/UnsafeRouteScreen.dart
@@ -1,5 +1,4 @@
 import 'package:flutter/cupertino.dart';
-import 'package:flutter_platform_widgets/flutter_platform_widgets.dart';
 import 'package:mobile_nebula/components/CIDRFormField.dart';
 import 'package:mobile_nebula/components/DangerButton.dart';
 import 'package:mobile_nebula/components/FormPage.dart';