diff --git a/include/config/save.h b/include/config/save.h
index fcce547709..8bd3fb5b5b 100644
--- a/include/config/save.h
+++ b/include/config/save.h
@@ -6,7 +6,7 @@
 #define FREE_TRAINER_HILL                   FALSE   //frees up trainer hill data. 28 bytes.                          WARNING THIS HAS BEEN SHOWN TO BREAK MULTI BATTLES
 #define FREE_MYSTERY_EVENT_BUFFERS          FALSE   //frees up mystery event and ramScript. roughly 1880 bytes       Needed by FREE_BATTLE_TOWER_E_READER
 #define FREE_MATCH_CALL                     FALSE   // Frees up match call and rematch data. (104 bytes).
-#define FREE_UNION_ROOM_CHAT                FALSE   //frees up field unk3C88. 210 bytes
+#define FREE_UNION_ROOM_CHAT                FALSE   // Frees up union room chat (212 bytes).
 #define FREE_ENIGMA_BERRY                   FALSE   //frees up enigma berry. 52 bytes
 #define FREE_LINK_BATTLE_RECORDS            FALSE   //frees link battle record data. 88 bytes
                                             // saveblock1 total: 1846 bytes
diff --git a/src/union_room_chat.c b/src/union_room_chat.c
index fce3790af5..6c2aa047e6 100644
--- a/src/union_room_chat.c
+++ b/src/union_room_chat.c
@@ -913,7 +913,9 @@ void EnterUnionRoomChat(void)
 
 static void InitUnionRoomChat(struct UnionRoomChat *chat)
 {
+#if FREE_UNION_ROOM_CHAT == FALSE
     int i;
+#endif //FREE_UNION_ROOM_CHAT
 
     chat->funcId = CHAT_FUNC_JOIN;
     chat->funcState = 0;