diff --git a/yaml/xyz/openbmc_project/Collection/DeleteAll.interface.yaml b/yaml/xyz/openbmc_project/Collection/DeleteAll.interface.yaml
index eba6b5f..9bb7d35 100755
--- a/yaml/xyz/openbmc_project/Collection/DeleteAll.interface.yaml
+++ b/yaml/xyz/openbmc_project/Collection/DeleteAll.interface.yaml
@@ -4,3 +4,6 @@
     - name: DeleteAll
       description: >
          Delete all objects in the collection.
+      errors:
+        - xyz.openbmc_project.Common.Error.NotAllowed
+        - xyz.openbmc_project.Common.Error.Unavailable
diff --git a/yaml/xyz/openbmc_project/Object/Delete.interface.yaml b/yaml/xyz/openbmc_project/Object/Delete.interface.yaml
index e1677b3..de592d3 100644
--- a/yaml/xyz/openbmc_project/Object/Delete.interface.yaml
+++ b/yaml/xyz/openbmc_project/Object/Delete.interface.yaml
@@ -6,3 +6,5 @@
           Delete the object implementing Delete.
       errors:
         - xyz.openbmc_project.Common.Error.InternalFailure
+        - xyz.openbmc_project.Common.Error.NotAllowed
+        - xyz.openbmc_project.Common.Error.Unavailable