1 files changed, 1 insertions, 1 deletions
diff --git a/layout/generic/AspectRatio.h b/layout/generic/AspectRatio.h
index 5cb281c804..b940376257 100644
--- a/layout/generic/AspectRatio.h
+++ b/layout/generic/AspectRatio.h
@@ -47,7 +47,7 @@ struct AspectRatio {
   }
 
   // Inverts the ratio, in order to get the height / width ratio.
-  MOZ_MUST_USE AspectRatio Inverted() const {
+  [[nodiscard]] AspectRatio Inverted() const {
     if (!*this) {
       return AspectRatio();
     }