1 files changed, 4 insertions, 4 deletions
diff --git a/uriloader/exthandler/mac/nsMIMEInfoMac.h b/uriloader/exthandler/mac/nsMIMEInfoMac.h
index 298357f757..d301234c87 100644
--- a/uriloader/exthandler/mac/nsMIMEInfoMac.h
+++ b/uriloader/exthandler/mac/nsMIMEInfoMac.h
@@ -16,15 +16,15 @@ class nsMIMEInfoMac : public nsMIMEInfoImpl {
 
     NS_IMETHOD LaunchWithFile(nsIFile* aFile);
   protected:
-    virtual MOZ_MUST_USE nsresult LoadUriInternal(nsIURI *aURI);
+    [[nodiscard]] virtual nsresult LoadUriInternal(nsIURI *aURI);
 #ifdef DEBUG
-    virtual MOZ_MUST_USE nsresult LaunchDefaultWithFile(nsIFile* aFile) {
+    [[nodiscard]] virtual nsresult LaunchDefaultWithFile(nsIFile* aFile) {
       NS_NOTREACHED("do not call this method, use LaunchWithFile");
       return NS_ERROR_UNEXPECTED;
     }
 #endif
-    static MOZ_MUST_USE nsresult OpenApplicationWithURI(nsIFile *aApplication,
-                                                        const nsCString& aURI);
+    [[nodiscard]] static nsresult OpenApplicationWithURI(nsIFile *aApplication,
+                                                         const nsCString& aURI);
                                                        
     NS_IMETHOD GetDefaultDescription(nsAString& aDefaultDescription);