diff --git a/android/src/main/AndroidManifest.xml b/android/src/main/AndroidManifest.xml
index a1215c10..25e38d40 100644
--- a/android/src/main/AndroidManifest.xml
+++ b/android/src/main/AndroidManifest.xml
@@ -3,10 +3,6 @@
 
     <uses-permission android:name="android.permission.CAMERA" />
 
-    <!-- Indicates that app requires ARCore ("AR Required"). Ensures app is only
-         visible in the Google Play Store on devices that support ARCore.
-    -->
-    <uses-feature android:name="android.hardware.camera.ar"/>
 
     <!-- Sceneform requires OpenGL ES 3.0 or later. -->
     <uses-feature android:glEsVersion="0x00030000" android:required="true" />
diff --git a/lib/src/arcore_face_view.dart b/lib/src/arcore_face_view.dart
index 0ba92c73..e9dd78a9 100644
--- a/lib/src/arcore_face_view.dart
+++ b/lib/src/arcore_face_view.dart
@@ -27,7 +27,7 @@ class _ArCoreFaceViewState extends State<ArCoreFaceView>
     with WidgetsBindingObserver {
   @override
   void initState() {
-    WidgetsBinding.instance.addObserver(this);
+    WidgetsBinding.instance?.addObserver(this);
     super.initState();
   }
 
@@ -60,7 +60,7 @@ class _ArCoreFaceViewState extends State<ArCoreFaceView>
 
   @override
   void dispose() {
-    WidgetsBinding.instance.removeObserver(this);
+    WidgetsBinding.instance?.removeObserver(this);
     super.dispose();
   }
 }
diff --git a/lib/src/arcore_view.dart b/lib/src/arcore_view.dart
index d24cdf02..4e8e6968 100644
--- a/lib/src/arcore_view.dart
+++ b/lib/src/arcore_view.dart
@@ -36,7 +36,7 @@ class ArCoreView extends StatefulWidget {
 class _ArCoreViewState extends State<ArCoreView> with WidgetsBindingObserver {
   @override
   void initState() {
-    WidgetsBinding.instance.addObserver(this);
+    WidgetsBinding.instance?.addObserver(this);
     super.initState();
   }
 
@@ -70,7 +70,7 @@ class _ArCoreViewState extends State<ArCoreView> with WidgetsBindingObserver {
 
   @override
   void dispose() {
-    WidgetsBinding.instance.removeObserver(this);
+    WidgetsBinding.instance?.removeObserver(this);
     super.dispose();
   }
 }