diff --git a/oarepo_requests/config.py b/oarepo_requests/config.py
index 29b43dfd..9d94611a 100644
--- a/oarepo_requests/config.py
+++ b/oarepo_requests/config.py
@@ -26,6 +26,7 @@
     PublishDraftRequestType,
 )
 from invenio_requests.customizations import CommentEventType, LogEventType
+import invenio_requests.config
 from invenio_requests.services.permissions import (
     PermissionPolicy as InvenioRequestsPermissionPolicy,
 )
@@ -39,7 +40,7 @@
 
 REQUESTS_REGISTERED_EVENT_TYPES = [
     TopicUpdateEventType(),
-]
+] + invenio_requests.config.REQUESTS_REGISTERED_EVENT_TYPES
 
 REQUESTS_ALLOWED_RECEIVERS = ["user", "group", "auto_approve"]
 
diff --git a/oarepo_requests/ext.py b/oarepo_requests/ext.py
index 4f2a402f..7ec4b249 100644
--- a/oarepo_requests/ext.py
+++ b/oarepo_requests/ext.py
@@ -106,9 +106,10 @@ def init_config(self, app):
             config.DEFAULT_WORKFLOW_EVENT_SUBMITTERS
         )
 
-        app.config.setdefault("REQUESTS_REGISTERED_EVENT_TYPES", []).extend(
-            config.REQUESTS_REGISTERED_EVENT_TYPES
-        )
+        app_registered_event_types = app.config.setdefault("REQUESTS_REGISTERED_EVENT_TYPES", [])
+        for event_type in config.REQUESTS_REGISTERED_EVENT_TYPES:
+            if event_type not in app_registered_event_types:
+                app_registered_event_types.append(event_type)
 
 
 def api_finalize_app(app):
diff --git a/oarepo_requests/types/publish_draft.py b/oarepo_requests/types/publish_draft.py
index 5ef485ef..f6d7e471 100644
--- a/oarepo_requests/types/publish_draft.py
+++ b/oarepo_requests/types/publish_draft.py
@@ -5,7 +5,6 @@
 from invenio_records_resources.services.uow import RecordCommitOp
 from invenio_requests.proxies import current_requests_service
 from invenio_requests.records.api import Request
-from marshmallow import ValidationError
 from oarepo_runtime.datastreams.utils import get_record_service_for_record
 from oarepo_runtime.i18n import lazy_gettext as _
 
@@ -68,14 +67,7 @@ def can_possibly_create(self, identity, topic, *args, **kwargs):
         if not topic.is_draft:
             return False
         super_ = super().can_possibly_create(identity, topic, *args, **kwargs)
-        if not super_:
-            return False
-        topic_service = get_record_service_for_record(topic)
-        try:
-            topic_service.validate_draft(system_identity, topic["id"])
-            return True
-        except ValidationError:
-            return False
+        return super_
 
     def topic_change(self, request: Request, new_topic: Dict, uow):
         setattr(request, "topic", new_topic)
diff --git a/setup.cfg b/setup.cfg
index 6b13978b..adc96590 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,6 +1,6 @@
 [metadata]
 name = oarepo-requests
-version = 2.1.2
+version = 2.1.3
 description =
 authors = Ronald Krist <krist@cesnet.cz>
 readme = README.md