diff --git a/xos/core/models/core.xproto b/xos/core/models/core.xproto
index 58b2ed2..71aa6c0 100644
--- a/xos/core/models/core.xproto
+++ b/xos/core/models/core.xproto
@@ -8,19 +8,19 @@
      optional string enacted = 3 [null = True, content_type = "date", blank = True, default = None];
      optional string policed = 4 [null = True, content_type = "date", blank = True, default = None];
      optional string backend_register = 5 [default = "{}", max_length = 1024];
-     required bool backend_need_delete = 6 [default = False];
-     required bool backend_need_reap = 7 [default = False];
+     required bool backend_need_delete = 6 [default = False, blank = True];
+     required bool backend_need_reap = 7 [default = False, blank = True];
      required string backend_status = 8 [default = "Provisioning in progress", max_length = 1024, null = True];
      required int32 backend_code = 9 [default = 0];
-     required bool deleted = 10 [default = False];
-     required bool write_protect = 12 [default = False];
-     required bool lazy_blocked = 13 [default = False];
-     required bool no_sync = 14 [default = False];
-     required bool no_policy = 15 [default = False];
+     required bool deleted = 10 [default = False, blank = True];
+     required bool write_protect = 12 [default = False, blank = True];
+     required bool lazy_blocked = 13 [default = False, blank = True];
+     required bool no_sync = 14 [default = False, blank = True];
+     required bool no_policy = 15 [default = False, blank = True];
      optional string policy_status = 16 [default = "Policy in process", max_length = 1024];
      optional int32 policy_code = 16 [default = 0];
      required string leaf_model_name = 17 [null = False, max_length = 1024, help_text = "The most specialized model in this chain of inheritance, often defined by a service developer"];
-     required bool backend_need_delete_policy = 18 [default = False, help_text = "True if delete model_policy must be run before object can be reaped"];
+     required bool backend_need_delete_policy = 18 [default = False, help_text = "True if delete model_policy must be run before object can be reaped", blank = True];
 }
 
 // The calling user represents the user being accessed, or is a site admin.