1 files changed, 4 insertions, 4 deletions
diff --git a/js/src/frontend/LexicalScopeEmitter.h b/js/src/frontend/LexicalScopeEmitter.h
index be92b75654..60331a8f91 100644
--- a/js/src/frontend/LexicalScopeEmitter.h
+++ b/js/src/frontend/LexicalScopeEmitter.h
@@ -7,7 +7,7 @@
 #define frontend_LexicalScopeEmitter_h
 
 #include "mozilla/Assertions.h"  // MOZ_ASSERT
-#include "mozilla/Attributes.h"  // MOZ_STACK_CLASS, MOZ_MUST_USE
+#include "mozilla/Attributes.h"  // MOZ_STACK_CLASS
 #include "mozilla/Maybe.h"       // Maybe
 
 #include "frontend/EmitterScope.h"   // EmitterScope
@@ -85,11 +85,11 @@ class MOZ_STACK_CLASS LexicalScopeEmitter
         return *emitterScope_;
     }
 
-    MOZ_MUST_USE bool emitScope(ScopeKind kind,
+    [[nodiscard]] bool emitScope(ScopeKind kind,
                                 JS::Handle<LexicalScope::Data*> bindings);
-    MOZ_MUST_USE bool emitEmptyScope();
+    [[nodiscard]] bool emitEmptyScope();
 
-    MOZ_MUST_USE bool emitEnd();
+    [[nodiscard]] bool emitEnd();
 };
 
 } /* namespace frontend */