diff --git a/analysis_options.yaml b/analysis_options.yaml
index 8b475187e..f815b7078 100644
--- a/analysis_options.yaml
+++ b/analysis_options.yaml
@@ -24,7 +24,6 @@ linter:
   rules:
     - always_declare_return_types
     - always_put_required_named_parameters_first
-    - always_require_non_null_named_parameters
     - always_use_package_imports
     - avoid_bool_literals_in_conditional_expressions
     - avoid_catches_without_on_clauses
@@ -44,8 +43,6 @@ linter:
     - avoid_relative_lib_imports
     - avoid_renaming_method_parameters
     - avoid_return_types_on_setters
-    - avoid_returning_null
-    - avoid_returning_null_for_future
     - avoid_returning_null_for_void
     - avoid_returning_this
     - avoid_setters_without_getters
@@ -66,7 +63,6 @@ linter:
     - do_not_use_environment
     - empty_constructor_bodies
     - hash_and_equals
-    - invariant_booleans
     - join_return_with_assignment
     - leading_newlines_in_multiline_strings
     - lines_longer_than_80_chars
diff --git a/example/lib/ui/push_notifications/push_notifications_received_sliver.dart b/example/lib/ui/push_notifications/push_notifications_received_sliver.dart
index 15060211e..1b5b9a663 100644
--- a/example/lib/ui/push_notifications/push_notifications_received_sliver.dart
+++ b/example/lib/ui/push_notifications/push_notifications_received_sliver.dart
@@ -14,9 +14,9 @@ class PushNotificationsReceivedSliver extends StatelessWidget {
         child: Column(
           crossAxisAlignment: CrossAxisAlignment.start,
           children: [
-            Row(
+            const Row(
               mainAxisAlignment: MainAxisAlignment.spaceBetween,
-              children: const [
+              children: [
                 Text(
                   'Received messages',
                   style: TextStyle(fontSize: 16, fontWeight: FontWeight.bold),
diff --git a/example/lib/ui/push_notifications/push_notifications_sliver.dart b/example/lib/ui/push_notifications/push_notifications_sliver.dart
index 06a702a91..0653c4d62 100644
--- a/example/lib/ui/push_notifications/push_notifications_sliver.dart
+++ b/example/lib/ui/push_notifications/push_notifications_sliver.dart
@@ -47,8 +47,8 @@ class PushNotificationsSliver extends StatelessWidget {
         ],
       );
 
-  Widget buildSummaryText() => Column(
-        children: const [
+  Widget buildSummaryText() => const Column(
+        children: [
           Text(
               'Activate your device, view your local device information, '
               'subscribe to a push channel with either your device or '
diff --git a/example/lib/ui/realtime_sliver.dart b/example/lib/ui/realtime_sliver.dart
index 15e143e5c..1f02e0849 100644
--- a/example/lib/ui/realtime_sliver.dart
+++ b/example/lib/ui/realtime_sliver.dart
@@ -262,8 +262,8 @@ class RealtimeSliver extends HookWidget {
         ),
         PaginatedResultViewer<ably.Message>(
             title: 'History',
-            subtitle: Column(
-              children: const [
+            subtitle: const Column(
+              children: [
                 TextRow(
                     'Hint',
                     'Use realtime history as a way to get messages that were'
diff --git a/lib/src/platform/src/codec.dart b/lib/src/platform/src/codec.dart
index dcd4e41fe..953d7d5b7 100644
--- a/lib/src/platform/src/codec.dart
+++ b/lib/src/platform/src/codec.dart
@@ -1,8 +1,6 @@
 import 'dart:io' as io show Platform;
-import 'dart:typed_data';
 import 'package:ably_flutter/ably_flutter.dart';
 import 'package:ably_flutter/src/platform/platform_internal.dart';
-import 'package:flutter/foundation.dart';
 import 'package:flutter/services.dart';
 
 /// @nodoc