diff --git a/data_model/clusters/DiagnosticsGeneral.xml b/data_model/clusters/DiagnosticsGeneral.xml
index ea4ce75cd549d9..9200a44cf971c1 100644
--- a/data_model/clusters/DiagnosticsGeneral.xml
+++ b/data_model/clusters/DiagnosticsGeneral.xml
@@ -258,6 +258,9 @@ Davis, CA 95616, USA
       <access read="true" readPrivilege="view"/>
       <mandatoryConform/>
     </attribute>
+    <attribute id="0x0009" name="DoNotUse">
+      <disallowConform/>
+    </attribute>
   </attributes>
   <commands>
     <command id="0x00" name="TestEventTrigger" response="Y">
diff --git a/data_model/spec_sha b/data_model/spec_sha
index d0a25923c7c7b5..bc073c1d35bf52 100644
--- a/data_model/spec_sha
+++ b/data_model/spec_sha
@@ -1 +1 @@
-8e4f91da4aacda4e799b9979605342a315ac7e43
+0267d8197ec5c00d0220fdef7950750b63e08c1f