diff --git a/dart/lib/src/event_processor/enricher/web_enricher_event_processor.dart b/dart/lib/src/event_processor/enricher/web_enricher_event_processor.dart
index d6d588ac0a..27bb6b99db 100644
--- a/dart/lib/src/event_processor/enricher/web_enricher_event_processor.dart
+++ b/dart/lib/src/event_processor/enricher/web_enricher_event_processor.dart
@@ -71,6 +71,7 @@ class WebEnricherEventProcessor implements EnricherEventProcessor {
 
   int? _getMemorySize() {
     // https://developer.mozilla.org/en-US/docs/Web/API/Navigator/deviceMemory
+    // ignore: invalid_null_aware_operator
     final size = _window.navigator.deviceMemory?.toDouble();
     final memoryByteSize = size != null ? size * 1024 * 1024 * 1024 : null;
     return memoryByteSize?.toInt();
@@ -102,5 +103,6 @@ class WebEnricherEventProcessor implements EnricherEventProcessor {
 }
 
 extension on web.Navigator {
+  // ignore: unused_element
   external double? get deviceMemory;
 }