diff --git a/config/alfresco/model/renditionModel.xml b/config/alfresco/model/renditionModel.xml
index c84b1a0c07..f99c1fb059 100644
--- a/config/alfresco/model/renditionModel.xml
+++ b/config/alfresco/model/renditionModel.xml
@@ -42,18 +42,18 @@
       <aspect name="rn:rendition">
          <title>Rendition</title>
       </aspect>
-      <!-- A hidden rendition is one which is located directly under its source node.
-->
+      <!-- A hidden rendition is one which is located directly under its source node. -->
       <aspect name="rn:hiddenRendition">
          <title>Hidden Rendition</title>
          <parent>rn:rendition</parent>
       </aspect>
-      <!-- A visible rendition is one which is located somewhere other than under its source node.
-->
+      <!-- A visible rendition is one which is located somewhere other than under its source node. -->
       <aspect name="rn:visibleRendition">
          <title>Visible Rendition</title>
          <parent>rn:rendition</parent>
       </aspect>
 
-      <!-- This aspect is applied to nodes which have been "rendered" using the rendition service.
-->
+      <!-- This aspect is applied to nodes which have been "rendered" using the rendition service. -->
       <aspect name="rn:renditioned">
          <title>Renditioned</title>
          <associations>
@@ -74,8 +74,8 @@
 
 
 
-      <!-- Thumbnailed aspect relates a content node to it's thumbnails -->
-      
+      <!-- Thumbnailed aspect relates a content node to it's thumbnails.
+           It is retained here for backwards compatibility reasons -->
       <aspect name="cm:thumbnailed">
          <title>Thumbnailed</title>
             <parent>rn:renditioned</parent>
@@ -87,23 +87,6 @@
                <default>true</default>
             </property> 
          </properties>
-
-         <!--
-         <associations>
-             <child-association name="cm:thumbnails">
-                 <source>
-                    <mandatory>false</mandatory>
-                    <many>true</many>
-                 </source>
-                 <target>
-                    <class>cm:thumbnail</class>
-                    <mandatory>false</mandatory>
-                    <many>true</many>
-                 </target>
-             </child-association>
-         </associations>
-         -->
-
       </aspect>
       
    </aspects>