diff --git a/src/pokemon.c b/src/pokemon.c
index a5f5bfdb2..f9244cba4 100644
--- a/src/pokemon.c
+++ b/src/pokemon.c
@@ -16,7 +16,6 @@
 #include "cpu.h"
 
 extern struct FileArchive gSystemFileArchive;
-extern struct FileArchive gMonsterFileArchive;
 
 static EWRAM_DATA MonsterDataEntry *gMonsterParameters = {0};
 static EWRAM_DATA OpenedFile *gMonsterParametersFile = {0};