diff --git a/packages/flutter/lib/src/material/about.dart b/packages/flutter/lib/src/material/about.dart
index b6ea5f91020d..a2c808b86232 100644
--- a/packages/flutter/lib/src/material/about.dart
+++ b/packages/flutter/lib/src/material/about.dart
@@ -756,7 +756,7 @@ class _DetailArguments {
   final List<LicenseEntry> licenseEntries;
 
   @override
-  bool operator ==(final dynamic other) {
+  bool operator ==(final Object other) {
     if (other is _DetailArguments) {
       return other.packageName == packageName;
     }
diff --git a/packages/flutter/test/rendering/mouse_tracker_cursor_test.dart b/packages/flutter/test/rendering/mouse_tracker_cursor_test.dart
index 739e80cd9630..7829d697289b 100644
--- a/packages/flutter/test/rendering/mouse_tracker_cursor_test.dart
+++ b/packages/flutter/test/rendering/mouse_tracker_cursor_test.dart
@@ -462,7 +462,7 @@ class _CursorUpdateDetails extends MethodCall {
   Map<String, dynamic> get arguments => super.arguments as Map<String, dynamic>;
 
   @override
-  bool operator ==(dynamic other) {
+  bool operator ==(Object other) {
     if (identical(other, this)) {
       return true;
     }