diff --git a/SDT/schema3.0/src/domain.rng b/SDT/schema3.0/src/domain.rng
index 72393588822159b95ae31c6cb9fbe747404a3b9c..df7d6c8989fcf26757ef9f7cec7b7b0504b5087c 100644
--- a/SDT/schema3.0/src/domain.rng
+++ b/SDT/schema3.0/src/domain.rng
@@ -86,26 +86,6 @@
 	</define>
 
 
-	<define name="DeviceInfos">
-		<element name="DeviceInfos">
-			<zeroOrMore>
-				<element name="DeviceInfo">
-					<attribute name="name">
-						<text/>
-					</attribute>
-					<optional>
-						<attribute name="optional">
-							<data type="boolean"/>
-						</attribute>
-					</optional>
-					<ref name="DocDef"/>
-					<ref name="DataTypeDef" />
-				</element>
-			</zeroOrMore>
-		</element>
-	</define>
-
-
 	<define name="Characteristics">
 		<element name="Characteristics">
 			<oneOrMore>