diff --git a/spring-integration-amqp/src/main/resources/org/springframework/integration/amqp/config/spring-integration-amqp-2.1.xsd b/spring-integration-amqp/src/main/resources/org/springframework/integration/amqp/config/spring-integration-amqp-2.1.xsd
index 92919f100d..d4fa172d1a 100644
--- a/spring-integration-amqp/src/main/resources/org/springframework/integration/amqp/config/spring-integration-amqp-2.1.xsd
+++ b/spring-integration-amqp/src/main/resources/org/springframework/integration/amqp/config/spring-integration-amqp-2.1.xsd
@@ -353,7 +353,7 @@
 					</xsd:appinfo>
 				</xsd:annotation>
 			</xsd:attribute>
-			<xsd:attribute name="reply-channel" use="required" type="xsd:string">
+			<xsd:attribute name="reply-channel" type="xsd:string">
 				<xsd:annotation>
 					<xsd:documentation>
 	Message Channel to which replies should be sent after being received from an AQMP Queue and converted.