diff --git a/v3_19_0/CDT-responsePrimitive-v3_19_0.xsd b/v3_19_0/CDT-responsePrimitive-v3_19_0.xsd
index 13c6e45c8aa3cc37c99ea5f813afd60767a3b4ff..bddd7158db65238987f013d624472ce0f3013995 100644
--- a/v3_19_0/CDT-responsePrimitive-v3_19_0.xsd
+++ b/v3_19_0/CDT-responsePrimitive-v3_19_0.xsd
@@ -65,7 +65,6 @@ oneM2M EXPRESSLY ADVISES ANY AND ALL USE OF OR RELIANCE UPON THIS INFORMATION PR
   <xs:include schemaLocation="CDT-remoteCSE-v3_19_0.xsd" />
   <xs:include schemaLocation="CDT-request-v3_19_0.xsd" />
   <xs:include schemaLocation="CDT-requestPrimitive-v3_19_0.xsd" />
-  <xs:include schemaLocation="CDT-responsePrimitive-v3_19_0.xsd" />
   <xs:include schemaLocation="CDT-schedule-v3_19_0.xsd" />
   <xs:include schemaLocation="CDT-serviceSubscribedAppRule-v3_19_0.xsd" />
   <xs:include schemaLocation="CDT-serviceSubscribedNode-v3_19_0.xsd" />
diff --git a/v3_19_0/CDT-schedule-v3_19_0.xsd b/v3_19_0/CDT-schedule-v3_19_0.xsd
index f8871321d7abb51c02c6c57afec04fef2996ceee..76eac5ced1adf9738632bf9d84071a7e7ac5ee50 100644
--- a/v3_19_0/CDT-schedule-v3_19_0.xsd
+++ b/v3_19_0/CDT-schedule-v3_19_0.xsd
@@ -30,10 +30,10 @@ oneM2M EXPRESSLY ADVISES ANY AND ALL USE OF OR RELIANCE UPON THIS INFORMATION PR
 	<xs:include schemaLocation="CDT-commonTypes-v3_19_0.xsd" />
 	<xs:include schemaLocation="CDT-subscription-v3_19_0.xsd" />
 
-	<xs:element name="schedule" substitutionGroup="m2m:sg_announceableResource ">
+	<xs:element name="schedule" substitutionGroup="m2m:sg_announceableResource">
 		<xs:complexType>
 			<xs:complexContent>
-				<xs:extension base="m2m:announceableResource ">
+				<xs:extension base="m2m:announceableResource">
 					<xs:sequence>
 						<!-- Resource Specific Attributes -->
 						<xs:element name="scheduleElement" type="m2m:scheduleEntries" />