diff --git a/modoboa/extensions/limits/fixtures/demo.json b/modoboa/extensions/limits/fixtures/demo.json
index 34c5bcdfe..52a9bc1a1 100644
--- a/modoboa/extensions/limits/fixtures/demo.json
+++ b/modoboa/extensions/limits/fixtures/demo.json
@@ -1 +1 @@
-[{"pk": 1, "model": "limits.limitspool", "fields": {"user": 2}}, {"pk": 1, "model": "limits.limit", "fields": {"curvalue": 0, "name": "domain_admins_limit", "pool": 1, "maxvalue": -2}}, {"pk": 2, "model": "limits.limit", "fields": {"curvalue": 0, "name": "domains_limit", "pool": 1, "maxvalue": -2}}, {"pk": 3, "model": "limits.limit", "fields": {"curvalue": 0, "name": "domain_aliases_limit", "pool": 1, "maxvalue": -2}}, {"pk": 4, "model": "limits.limit", "fields": {"curvalue": 0, "name": "mailboxes_limit", "pool": 1, "maxvalue": 5}}, {"pk": 5, "model": "limits.limit", "fields": {"curvalue": 0, "name": "mailbox_aliases_limit", "pool": 1, "maxvalue": 5}},{"pk": 3, "model": "auth.group", "fields": {"name": "Resellers", "permissions": [["add_user", "core", "user"], ["change_user", "core", "user"], ["delete_user", "core", "user"], ["view_domains", "admin", "domain"], ["add_mailbox", "admin", "mailbox"], ["change_mailbox", "admin", "mailbox"], ["delete_mailbox", "admin", "mailbox"], ["add_alias", "admin", "alias"], ["change_alias", "admin", "alias"], ["delete_alias", "admin", "alias"], ["view_mailboxes", "admin", "mailbox"], ["view_aliases", "admin", "alias"], ["view_domaliases", "admin", "domainalias"], ["add_domainalias", "admin", "domainalias"], ["change_domainalias", "admin", "domainalias"], ["delete_domainalias", "admin", "domainalias"],["view_permissions", "auth", "permission"], ["view_domains", "admin", "domain"], ["add_domain", "admin", "domain"], ["change_domain", "admin", "domain"], ["delete_domain", "admin", "domain"]]}}]
\ No newline at end of file
+[{"pk": 1, "model": "limits.limitspool", "fields": {"user": 2}}, {"pk": 1, "model": "limits.limit", "fields": {"curvalue": 0, "name": "domain_admins_limit", "pool": 1, "maxvalue": -2}}, {"pk": 2, "model": "limits.limit", "fields": {"curvalue": 0, "name": "domains_limit", "pool": 1, "maxvalue": -2}}, {"pk": 3, "model": "limits.limit", "fields": {"curvalue": 0, "name": "domain_aliases_limit", "pool": 1, "maxvalue": -2}}, {"pk": 4, "model": "limits.limit", "fields": {"curvalue": 0, "name": "mailboxes_limit", "pool": 1, "maxvalue": 5}}, {"pk": 5, "model": "limits.limit", "fields": {"curvalue": 0, "name": "mailbox_aliases_limit", "pool": 1, "maxvalue": 5}},{"pk": 3, "model": "auth.group", "fields": {"name": "Resellers", "permissions": [["add_user", "core", "user"], ["change_user", "core", "user"], ["delete_user", "core", "user"], ["view_domains", "admin", "domain"], ["add_mailbox", "admin", "mailbox"], ["change_mailbox", "admin", "mailbox"], ["delete_mailbox", "admin", "mailbox"], ["add_alias", "admin", "alias"], ["change_alias", "admin", "alias"], ["delete_alias", "admin", "alias"], ["view_mailboxes", "admin", "mailbox"], ["view_aliases", "admin", "alias"], ["view_domaliases", "admin", "domainalias"], ["add_domainalias", "admin", "domainalias"], ["change_domainalias", "admin", "domainalias"], ["delete_domainalias", "admin", "domainalias"], ["view_domains", "admin", "domain"], ["add_domain", "admin", "domain"], ["change_domain", "admin", "domain"], ["delete_domain", "admin", "domain"]]}}]
\ No newline at end of file
diff --git a/modoboa/lib/fixtures/demo.json b/modoboa/lib/fixtures/demo.json
index da963902f..cdd99ecb9 100644
--- a/modoboa/lib/fixtures/demo.json
+++ b/modoboa/lib/fixtures/demo.json
@@ -23,14 +23,6 @@
             "value": "user"
         }
     },
-    {
-        "pk": 6,
-        "model": "lib.parameter",
-        "fields": {
-            "name": "core.SECRET_KEY",
-            "value": ""
-        }
-    },
     {
         "pk": 8,
         "model": "lib.parameter",