diff --git a/Event/CalendarEvent.php b/Event/CalendarEvent.php
index 70d3bde..ed63334 100644
--- a/Event/CalendarEvent.php
+++ b/Event/CalendarEvent.php
@@ -2,7 +2,6 @@
 
 namespace AncaRebeca\FullCalendarBundle\Event;
 
-use AncaRebeca\FullCalendarBundle\Model\EventInterface;
 use AncaRebeca\FullCalendarBundle\Model\FullCalendarEvent;
 use Symfony\Component\EventDispatcher\Event as EventDispatcher;
 
@@ -26,7 +25,7 @@ class CalendarEvent extends EventDispatcher
     protected $filters;
 
     /**
-     * @var EventInterface[]
+     * @var FullCalendarEvent[]
      */
     protected $events = [];
 
diff --git a/Model/Event.php b/Model/Event.php
index c7e68c4..45c2312 100644
--- a/Model/Event.php
+++ b/Model/Event.php
@@ -2,7 +2,7 @@
 
 namespace AncaRebeca\FullCalendarBundle\Model;
 
-class Event implements EventInterface
+class Event extends FullCalendarEvent
 {
     /**
      * @var integer
diff --git a/Model/EventInterface.php b/Model/EventInterface.php
deleted file mode 100644
index 2601c62..0000000
--- a/Model/EventInterface.php
+++ /dev/null
@@ -1,24 +0,0 @@
-<?php
-
-namespace AncaRebeca\FullCalendarBundle\Model;
-
-/**
- * Interface EventInterface
- *  @deprecated since version V4.1.0, to be removed in v5.0.0. Use FullCalendarEvent instead
- *
- */
-interface EventInterface
-{
-    /**
-     * @param string $title
-     * @param \DateTime $start
-     *
-     */
-    public function __construct($title, \DateTime $start);
-
-    /**
-     * @return array
-     */
-    public function toArray();
-
-}
\ No newline at end of file