diff --git a/src/battle_message.c b/src/battle_message.c
index 7b8085219b..164108dece 100644
--- a/src/battle_message.c
+++ b/src/battle_message.c
@@ -37,8 +37,6 @@ struct BattleWindowText
     u8 shadowColor;
 };
 
-extern u8 gUnknown_0203C7B4;
-
 extern const u8 gTrainerClassNames[][13];
 extern const u16 gUnknown_08D85620[];