1 files changed, 2 insertions, 2 deletions
diff --git a/xpcom/base/nsIGZFileWriter.idl b/xpcom/base/nsIGZFileWriter.idl
index ad7a32d85d..5179fafec1 100644
--- a/xpcom/base/nsIGZFileWriter.idl
+++ b/xpcom/base/nsIGZFileWriter.idl
@@ -55,7 +55,7 @@ interface nsIGZFileWriter : nsISupports
   /**
    * Write the given char* to the file (not including the null-terminator).
    */
-  MOZ_MUST_USE nsresult Write(const char* str)
+  [[nodiscard]] nsresult Write(const char* str)
   {
     return Write(str, strlen(str));
   }
@@ -63,7 +63,7 @@ interface nsIGZFileWriter : nsISupports
   /**
    * Write |length| bytes of |str| to the file.
    */
-  MOZ_MUST_USE nsresult Write(const char* str, uint32_t len)
+  [[nodiscard]] nsresult Write(const char* str, uint32_t len)
   {
     return Write(nsDependentCString(str, len));
   }