diff --git a/src/flow.h b/src/flow.h
index 5595110adf..7ff3a1bd8d 100644
--- a/src/flow.h
+++ b/src/flow.h
@@ -488,9 +488,6 @@ static inline void FlowSetSessionNoApplayerInspectionFlag(Flow *f) {
         }                                           \
     } while (0)
 
-/* \todo there is another copy of this same macro inside decode.h.  The reason
- *       we have this duplicate is because we couldn't solve endless header
- *       files cross-reference. */
 #define FlowDeReference(src_f_ptr) do {               \
         if (*(src_f_ptr) != NULL) {                   \
             FlowDecrUsecnt(*(src_f_ptr));             \