diff --git a/Docs/Luadoc/Lua.xsd b/Docs/Luadoc/Lua.xsd
index a4103c434e..c6fb7a00e8 100644
--- a/Docs/Luadoc/Lua.xsd
+++ b/Docs/Luadoc/Lua.xsd
@@ -143,7 +143,6 @@
 	<xs:group ref="DocumentationGroup" minOccurs="0" maxOccurs="unbounded" />
 	<xs:attribute name="name" type="Identifier" use="required" />
 	<xs:attribute name="renamed" type="Identifier" use="optional" />
-	<xs:attribute name="sm-ssc" type="Identifier" use="optional" />
 	<xs:attribute name="theme" type="Identifier" use="optional" />
 	<xs:attribute name="return" type="IdentifierOrTable" use="optional" />
 	<xs:attribute name="arguments" type="ArgumentList" use="optional" />