diff --git a/mistral/event_engine/default_event_engine.py b/mistral/event_engine/default_event_engine.py
index 12a7b8e63..e0f68e6f8 100644
--- a/mistral/event_engine/default_event_engine.py
+++ b/mistral/event_engine/default_event_engine.py
@@ -405,6 +405,4 @@ class DefaultEventEngine(base.EventEngine):
 
             return
 
-        security.delete_trust(trigger['trust_id'])
-
         self._add_event_listener(trigger['exchange'], trigger['topic'], events)
diff --git a/mistral/rpc/base.py b/mistral/rpc/base.py
index 1139cb550..9c2ba7fbe 100644
--- a/mistral/rpc/base.py
+++ b/mistral/rpc/base.py
@@ -137,7 +137,7 @@ class RPCClient(object):
         raise NotImplementedError
 
     @abc.abstractmethod
-    def async_call(self, ctx, method, target=None, **kwargs):
+    def async_call(self, ctx, method, target=None, fanout=False, **kwargs):
         """Asynchronous call of RPC method.
 
         Does not block the thread, just send invoking data to
diff --git a/mistral/rpc/clients.py b/mistral/rpc/clients.py
index 39e88f17b..e2d573818 100644
--- a/mistral/rpc/clients.py
+++ b/mistral/rpc/clients.py
@@ -392,26 +392,29 @@ class EventEngineClient(evt_eng.EventEngine):
         self._client = base.get_rpc_client_driver()(rpc_conf_dict)
 
     def create_event_trigger(self, trigger, events):
-        return self._client.sync_call(
+        return self._client.async_call(
             auth_ctx.ctx(),
             'create_event_trigger',
             trigger=trigger,
-            events=events
+            events=events,
+            fanout=True,
         )
 
     def delete_event_trigger(self, trigger, events):
-        return self._client.sync_call(
+        return self._client.async_call(
             auth_ctx.ctx(),
             'delete_event_trigger',
             trigger=trigger,
-            events=events
+            events=events,
+            fanout=True,
         )
 
     def update_event_trigger(self, trigger):
-        return self._client.sync_call(
+        return self._client.async_call(
             auth_ctx.ctx(),
             'update_event_trigger',
             trigger=trigger,
+            fanout=True,
         )
 
 
diff --git a/mistral/rpc/kombu/kombu_client.py b/mistral/rpc/kombu/kombu_client.py
index 3734d7ef4..87fbbd2e7 100644
--- a/mistral/rpc/kombu/kombu_client.py
+++ b/mistral/rpc/kombu/kombu_client.py
@@ -206,5 +206,5 @@ class KombuRPCClient(rpc_base.RPCClient, kombu_base.Base):
     def sync_call(self, ctx, method, target=None, **kwargs):
         return self._call(ctx, method, async_=False, target=target, **kwargs)
 
-    def async_call(self, ctx, method, target=None, **kwargs):
+    def async_call(self, ctx, method, target=None, fanout=False, **kwargs):
         return self._call(ctx, method, async_=True, target=target, **kwargs)
diff --git a/mistral/rpc/oslo/oslo_client.py b/mistral/rpc/oslo/oslo_client.py
index c0795db19..e9878a50b 100644
--- a/mistral/rpc/oslo/oslo_client.py
+++ b/mistral/rpc/oslo/oslo_client.py
@@ -38,9 +38,7 @@ class OsloRPCClient(rpc.RPCClient):
             **kwargs
         )
 
-    def async_call(self, ctx, method, target=None, **kwargs):
-        return self._client.prepare(topic=self.topic, server=target).cast(
-            ctx,
-            method,
-            **kwargs
-        )
+    def async_call(self, ctx, method, target=None, fanout=False, **kwargs):
+        return self._client.prepare(topic=self.topic,
+                                    server=target,
+                                    fanout=fanout).cast(ctx, method, **kwargs)
diff --git a/mistral/services/triggers.py b/mistral/services/triggers.py
index d1f4fac86..732e9b48f 100644
--- a/mistral/services/triggers.py
+++ b/mistral/services/triggers.py
@@ -221,6 +221,8 @@ def delete_event_trigger(event_trigger):
         list(events)
     )
 
+    security.delete_trust(event_trigger['trust_id'])
+
 
 def update_event_trigger(id, values):
     trig = db_api.update_event_trigger(id, values)
diff --git a/mistral/tests/unit/api/v2/test_event_trigger.py b/mistral/tests/unit/api/v2/test_event_trigger.py
index 06aae2e57..dbdf57956 100644
--- a/mistral/tests/unit/api/v2/test_event_trigger.py
+++ b/mistral/tests/unit/api/v2/test_event_trigger.py
@@ -21,6 +21,7 @@ import sqlalchemy as sa
 from mistral.db.v2 import api as db_api
 from mistral.db.v2.sqlalchemy import models
 from mistral import exceptions as exc
+from mistral.services import security
 from mistral.services import triggers
 from mistral.tests.unit.api import base
 from mistral.tests.unit import base as unit_base
@@ -207,14 +208,22 @@ class TestEventTriggerController(base.APITest):
         self.assertEqual(400, resp.status_int)
 
     @mock.patch('mistral.rpc.clients.get_event_engine_client')
-    @mock.patch.object(db_api, "get_event_trigger", MOCK_TRIGGER)
+    @mock.patch('mistral.db.v2.api.get_event_trigger')
     @mock.patch.object(db_api, "get_event_triggers",
                        mock.MagicMock(return_value=[]))
     @mock.patch.object(db_api, "delete_event_trigger", MOCK_NONE)
-    def test_delete(self, mock_rpc_client):
+    @mock.patch.object(security, "delete_trust", MOCK_NONE)
+    def test_delete(self, mock_delete, mock_rpc_client):
         client = mock.Mock()
         mock_rpc_client.return_value = client
 
+        DELETE_TRIGGER = models.EventTrigger()
+        DELETE_TRIGGER.update(trigger_values)
+        DELETE_TRIGGER.update(
+            {'trust_id': 'c30e50e8-ee7d-4f8a-9515-f0530d9dc54b'}
+        )
+        mock_delete.return_value = DELETE_TRIGGER
+
         resp = self.app.delete(
             '/v2/event_triggers/09cc56a9-d15e-4494-a6e2-c4ec8bdaacae'
         )
@@ -223,7 +232,7 @@ class TestEventTriggerController(base.APITest):
         self.assertEqual(1, client.delete_event_trigger.call_count)
 
         self.assertDictEqual(
-            TRIGGER_DB.to_dict(),
+            DELETE_TRIGGER.to_dict(),
             client.delete_event_trigger.call_args[0][0]
         )
         self.assertListEqual(