diff --git a/packages/flutter_form_bloc/lib/src/flutter_typeahead.dart b/packages/flutter_form_bloc/lib/src/flutter_typeahead.dart
index 2152827e..37ccf991 100644
--- a/packages/flutter_form_bloc/lib/src/flutter_typeahead.dart
+++ b/packages/flutter_form_bloc/lib/src/flutter_typeahead.dart
@@ -629,7 +629,7 @@ class _TypeAheadFieldState<T> extends State<TypeAheadField<T>>
     //   this._suggestionsBox._overlayEntry?.remove();
     // }
     this._suggestionsBox!.widgetMounted = false;
-    WidgetsBinding.instance!.removeObserver(this);
+    WidgetsBinding.instance.removeObserver(this);
 
     if (isWebMobile) {
       _keyboardSubscription.cancel();
@@ -653,7 +653,7 @@ class _TypeAheadFieldState<T> extends State<TypeAheadField<T>>
   @override
   void initState() {
     super.initState();
-    WidgetsBinding.instance!.addObserver(this);
+    WidgetsBinding.instance.addObserver(this);
     _hideSuggestionsController = PublishSubject<void>();
 
     if (widget.textFieldConfiguration.controller == null) {
@@ -689,7 +689,7 @@ class _TypeAheadFieldState<T> extends State<TypeAheadField<T>>
       }
     };
 
-    WidgetsBinding.instance!.addPostFrameCallback((duration) {
+    WidgetsBinding.instance.addPostFrameCallback((duration) {
       if (mounted) {
         this._initOverlayEntry();
         // calculate initial suggestions list size
@@ -728,7 +728,7 @@ class _TypeAheadFieldState<T> extends State<TypeAheadField<T>>
   /// TODO: Create Pull Request
   /// Called for resize the suggestions box when have error
   void _onChange() {
-    WidgetsBinding.instance!.addPostFrameCallback((duration) {
+    WidgetsBinding.instance.addPostFrameCallback((duration) {
       _suggestionsBox!.resize();
     });
   }
@@ -982,7 +982,7 @@ class _SuggestionsListState<T> extends State<_SuggestionsList<T>>
     widget.controller!.addListener(this._controllerListener);
 
     _hideSuggestionsSubscription = widget.hideSuggestions.listen((_) {
-      WidgetsBinding.instance!.addPostFrameCallback((duration) {
+      WidgetsBinding.instance.addPostFrameCallback((duration) {
         if (this.mounted) {
           setState(() {
             this
diff --git a/packages/form_bloc/lib/src/blocs/field/field_bloc_utils.dart b/packages/form_bloc/lib/src/blocs/field/field_bloc_utils.dart
index 66351de5..ceb5f48a 100644
--- a/packages/form_bloc/lib/src/blocs/field/field_bloc_utils.dart
+++ b/packages/form_bloc/lib/src/blocs/field/field_bloc_utils.dart
@@ -23,7 +23,7 @@ class FieldBlocUtils {
     final hasValidators = validators != null;
 
     if (hasValidators) {
-      for (var validator in validators!) {
+      for (var validator in validators) {
         error = validator(value);
         if (error != null) return error;
       }
@@ -52,7 +52,7 @@ class FieldBlocUtils {
 
     var isValidating = !hasInitialStateError &&
         hasAsyncValidators &&
-        asyncValidators!.isNotEmpty;
+        asyncValidators.isNotEmpty;
 
     return isValidating;
   }