diff --git a/src/common/kernel/battle.c b/src/common/kernel/battle.c
index 38d946fe8..4c8c8f766 100644
--- a/src/common/kernel/battle.c
+++ b/src/common/kernel/battle.c
@@ -152,7 +152,7 @@ static armor_type armordata[AR_NONE + 1] =
 	{ 0.00, 0.00, 0, 0, I_SWORD}
 };
 
-#ifndef NDEBUG
+#if 0
 static void
 validate_sides(battle * b)
 {