diff --git a/rhodecode/events/__init__.py b/rhodecode/events/__init__.py
--- a/rhodecode/events/__init__.py
+++ b/rhodecode/events/__init__.py
@@ -16,8 +16,11 @@
 # RhodeCode Enterprise Edition, including its added features, Support services,
 # and proprietary license terms, please see https://rhodecode.com/licenses/
 
+import logging
 from pyramid.threadlocal import get_current_registry
 
+log = logging.getLogger()
+
 
 def trigger(event, registry=None):
     """
@@ -29,6 +32,7 @@ def trigger(event, registry=None):
     # passing the registry as an argument to get rid of it.
     registry = registry or get_current_registry()
     registry.notify(event)
+    log.debug('event %s triggered', event)
 
     # Until we can work around the problem that VCS operations do not have a
     # pyramid context to work with, we send the events to integrations directly
diff --git a/rhodecode/integrations/types/slack.py b/rhodecode/integrations/types/slack.py
--- a/rhodecode/integrations/types/slack.py
+++ b/rhodecode/integrations/types/slack.py
@@ -146,7 +146,6 @@ class SlackIntegrationType(IntegrationTy
             widget='checkbox_list',
             choices=sorted([e.name for e in cls.valid_events]),
             description="Events activated for this integration",
-            # default=[e.name for e in cls.valid_events],
             name='events'
         ))
         return schema