src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/objects/NativeArguments.java

*** 126,141 ****
          final int index = ArrayIndex.getArrayIndex(key);
          return isMapped(index) ? deleteMapped(index, strict) : super.delete(key, strict);
      }
  
      @Override
-     public boolean delete(final long key, final boolean strict) {
-         final int index = ArrayIndex.getArrayIndex(key);
-         return isMapped(index) ? deleteMapped(index, strict) : super.delete(key, strict);
-     }
- 
-     @Override
      public boolean delete(final double key, final boolean strict) {
          final int index = ArrayIndex.getArrayIndex(key);
          return isMapped(index) ? deleteMapped(index, strict) : super.delete(key, strict);
      }
  
--- 126,135 ----