--- a/src/oct-obj.h
+++ b/src/oct-obj.h
@@ -57,7 +57,7 @@
   void operator delete (void *p, size_t size)
     { allocator.free (p, size); }
 
-  // XXX FIXME XXX -- without this, I have errors with the stack of
+  // FIXME -- without this, I have errors with the stack of
   // octave_value_list objects in ov-usr-fcn.h.  Why?
   void *operator new (size_t size, void *p)
     { return ::operator new (size, p); }