diff --git a/src/party_menu.c b/src/party_menu.c
index 56d58b2de..69820a4bb 100755
--- a/src/party_menu.c
+++ b/src/party_menu.c
@@ -5576,6 +5576,12 @@ void ItemUseCB_AbilityCapsule(u8 taskId, TaskFunc task)
     gTasks[taskId].func = Task_AbilityCapsule;
 }
 
+#undef tState
+#undef tSpecies
+#undef tAbilityNum
+#undef tMonId
+#undef tOldFunc
+
 static void sub_81B672C(u8 taskId)
 {
     GetMonNickname(&gPlayerParty[gUnknown_0203CEC8.slotId], gStringVar1);