Remove this config. Symfony will still find and load controllers via annotations or attributes

src/Bundle/ChillCalendarBundle/Resources/config/services/controller.yml

@@ -1,5 +1,5 @@
-services:
-    Chill\CalendarBundle\Controller\:
-        autowire: true
-        resource: '../../../Controller'
-        tags: ['controller.service_arguments']
+#services:
+#    Chill\CalendarBundle\Controller\:
+#        autowire: true
+#        resource: '../../../Controller'
+#        tags: ['controller.service_arguments']

src/Bundle/ChillEventBundle/config/services.yaml

@@ -1,11 +1,11 @@
 services:
-    Chill\EventBundle\Controller\:
-        autowire: true
-        resource: '../Controller'
-        tags: ['controller.service_arguments']
+#    Chill\EventBundle\Controller\:
+#        autowire: true
+#        resource: '../Controller'
+#        tags: ['controller.service_arguments']
 
     Chill\EventBundle\Menu\:
         autowire: true
         autoconfigure: true
         resource: '../Menu/'
-        tags: ['chill.menu_builder']
+        tags: ['chill.menu_builder']