diff --git a/packages/url_launcher/url_launcher_android/lib/url_launcher_android.dart b/packages/url_launcher/url_launcher_android/lib/url_launcher_android.dart
index 63669f847b2..7a447d5203f 100644
--- a/packages/url_launcher/url_launcher_android/lib/url_launcher_android.dart
+++ b/packages/url_launcher/url_launcher_android/lib/url_launcher_android.dart
@@ -89,7 +89,7 @@ class UrlLauncherAndroid extends UrlLauncherPlatform {
       case PreferredLaunchMode.platformDefault:
       // Intentionally treat any new values as platformDefault; see comment in
       // supportsMode.
-      // ignore: no_default_cases
+      // ignore: no_default_cases, unreachable_switch_default
       default:
         // By default, open web URLs in the application.
         inApp = url.startsWith('http:') || url.startsWith('https:');
diff --git a/packages/url_launcher/url_launcher_ios/lib/url_launcher_ios.dart b/packages/url_launcher/url_launcher_ios/lib/url_launcher_ios.dart
index bce7dd0586c..bb289abc569 100644
--- a/packages/url_launcher/url_launcher_ios/lib/url_launcher_ios.dart
+++ b/packages/url_launcher/url_launcher_ios/lib/url_launcher_ios.dart
@@ -82,7 +82,7 @@ class UrlLauncherIOS extends UrlLauncherPlatform {
       // Intentionally treat any new values as platformDefault; support for any
       // new mode requires intentional opt-in, otherwise falling back is the
       // documented behavior.
-      // ignore: no_default_cases
+      // ignore: no_default_cases, unreachable_switch_default
       default:
         // By default, open web URLs in the application.
         inApp = url.startsWith('http:') || url.startsWith('https:');
@@ -110,7 +110,7 @@ class UrlLauncherIOS extends UrlLauncherPlatform {
       // Default is a desired behavior here since support for new modes is
       // always opt-in, and the enum lives in a different package, so silently
       // adding "false" for new values is the correct behavior.
-      // ignore: no_default_cases
+      // ignore: no_default_cases, unreachable_switch_default
       default:
         return false;
     }