diff --git a/includes/class-activity-dispatcher.php b/includes/class-activity-dispatcher.php
index cde9785..00ffd48 100644
--- a/includes/class-activity-dispatcher.php
+++ b/includes/class-activity-dispatcher.php
@@ -69,37 +69,11 @@ class Activity_Dispatcher {
 		// check if a migration is needed before sending new posts
 		Migration::maybe_migrate();
 
-		// send Blog-User-Activity
-		self::send_user_activity( $activitypub_post, $activity_type );
-	}
-
-	/**
-	 * Send Activities to followers and mentioned users.
-	 *
-	 * @param Post   $activitypub_post The ActivityPub Post.
-	 * @param string $activity_type    The Activity-Type.
-	 * @param int    $user_id          The User-ID.
-	 *
-	 * @return void
-	 */
-	public static function send_user_activity( Post $activitypub_post, $activity_type, $user_id = null ) {
-		if ( $user_id ) {
-			$user    = User_Factory::get_by_id( $user_id );
-			$user_id = $user->get_id();
-			$actor   = $user->get_url();
-		} else {
-			$user_id = $activitypub_post->get_post_author();
-			$actor   = null;
-		}
-
 		$activitypub_activity = new Activity( $activity_type );
 		$activitypub_activity->from_post( $activitypub_post );
 
-		if ( $actor ) {
-			$activitypub_activity->set_actor( $actor );
-		}
-
-		$follower_inboxes = Followers::get_inboxes( $user_id );
+		$user_id           = $activitypub_post->get_user_id();
+		$follower_inboxes  = Followers::get_inboxes( $user_id );
 		$mentioned_inboxes = Mention::get_inboxes( $activitypub_activity->get_cc() );
 
 		$inboxes = array_merge( $follower_inboxes, $mentioned_inboxes );