diff --git a/src/mon.c b/src/mon.c
index b0c3f48ec..7e4fa6458 100644
--- a/src/mon.c
+++ b/src/mon.c
@@ -26,7 +26,6 @@ static void FDECL(migrate_mon, (struct monst *, XCHAR_P, XCHAR_P));
 static boolean FDECL(ok_to_obliterate, (struct monst *));
 static void FDECL(deal_with_overcrowding, (struct monst *));
 
-/* note: duplicated in dog.c */
 #define LEVEL_SPECIFIC_NOCORPSE(mdat) \
     (Is_rogue_level(&u.uz)            \
      || (g.level.flags.graveyard && is_undead(mdat) && rn2(3)))