diff --git a/include/global.h b/include/global.h
index 889ddd8f8a..9ae892b5c5 100644
--- a/include/global.h
+++ b/include/global.h
@@ -90,24 +90,19 @@ extern u8 gStringVar4[];
 // In Gens 6 and 7, invalid versions instead show "a distant land" in the summary screen.
 // In Gen 4 only, migrated Pokemon with Diamond, Pearl, or Platinum's ID show as "----------".
 // Gen 5 and up read Diamond, Pearl, or Platinum's ID as "Sinnoh".
-// In Gen 4 and up, migrated Pokemon with HeartGold or SoulSilver's ID show the unused "Johto" string.
+// In Gen 4 and up, migrated Pokemon with HeartGold or SoulSilver's ID show the otherwise unused "Johto" string.
 enum
 {
-    VERSION_INVALID_0 = 0,
     VERSION_SAPPHIRE = 1,
     VERSION_RUBY = 2,
     VERSION_EMERALD = 3,
     VERSION_FIRE_RED = 4,
     VERSION_LEAF_GREEN = 5,
-    VERSION_INVALID_6 = 6,
     VERSION_HEART_GOLD = 7,
     VERSION_SOUL_SILVER = 8,
-    VERSION_INVALID_9 = 9,
     VERSION_DIAMOND = 10,
     VERSION_PEARL = 11,
     VERSION_PLATINUM = 12,
-    VERSION_INVALID_13 = 13,
-    VERSION_INVALID_14 = 14,
     VERSION_GAMECUBE = 15,
 };