diff --git a/src/main/resources/data/xsd/items.xsd b/src/main/resources/data/xsd/items.xsd
index d391a594f1fd621795c00a8f18f3e11d541cc027..9fe3926a87a6df5267d0e102bbb597a7a8c06bb5 100644
--- a/src/main/resources/data/xsd/items.xsd
+++ b/src/main/resources/data/xsd/items.xsd
@@ -163,7 +163,6 @@
 			<xs:enumeration value="pAtk" />
 			<xs:enumeration value="pDef" />
 			<xs:enumeration value="sDef" />
-			<xs:enumeration value="mAtk" />
 			<xs:enumeration value="pAtkAngle" />
 			<xs:enumeration value="pAtkRange" />
 			<xs:enumeration value="pAtkSpd" />