diff --git a/include/game/board/basic_space.h b/include/game/board/basic_space.h
index 9a3b1182..b89f97cb 100644
--- a/include/game/board/basic_space.h
+++ b/include/game/board/basic_space.h
@@ -9,4 +9,10 @@
 
 extern Process *boardObjMan;
 
+void BoardEventLandBlue(s32, s16);
+void BoardEventLandRed(s32, s16);
+s8 BoardCoinChgCreate(Vec*, s8);
+s32 BoardCoinChgExist(s32);
+void BoardCoinChgHide(s32);
+
 #endif