diff --git a/activitypub.php b/activitypub.php
index 0528965..47e4167 100644
--- a/activitypub.php
+++ b/activitypub.php
@@ -29,8 +29,6 @@ function init() {
 	\define( 'ACTIVITYPUB_PLUGIN_BASENAME', plugin_basename( __FILE__ ) );
 	\define( 'ACTIVITYPUB_PLUGIN_FILE', plugin_dir_path( __FILE__ ) . '/' . basename( __FILE__ ) );
 
-	\define( 'ACTIVITYPUB_OBJECT', 'ACTIVITYPUB_OBJECT' );
-
 	Migration::init();
 	Activity_Dispatcher::init();
 	Activitypub::init();
diff --git a/includes/class-scheduler.php b/includes/class-scheduler.php
index 4bfb8b8..a79044e 100644
--- a/includes/class-scheduler.php
+++ b/includes/class-scheduler.php
@@ -95,7 +95,7 @@ class Scheduler {
 	 * @return void
 	 */
 	public static function update_followers() {
-		$followers = Followers::get_outdated_followers( ACTIVITYPUB_OBJECT );
+		$followers = Followers::get_outdated_followers();
 
 		foreach ( $followers as $follower ) {
 			$meta = get_remote_metadata_by_actor( $follower->get_actor() );
@@ -116,7 +116,7 @@ class Scheduler {
 	 * @return void
 	 */
 	public static function cleanup_followers() {
-		$followers = Followers::get_faulty_followers( ACTIVITYPUB_OBJECT );
+		$followers = Followers::get_faulty_followers();
 
 		foreach ( $followers as $follower ) {
 			$meta = get_remote_metadata_by_actor( $follower->get_actor() );
diff --git a/includes/collection/class-followers.php b/includes/collection/class-followers.php
index 413af3b..8a271f6 100644
--- a/includes/collection/class-followers.php
+++ b/includes/collection/class-followers.php
@@ -316,7 +316,7 @@ class Followers {
 	 *
 	 * @return array The Term list of Followers, the format depends on $output
 	 */
-	public static function get_followers( $user_id, $output = ARRAY_N, $number = null, $offset = null, $args = array() ) {
+	public static function get_followers( $user_id, $number = null, $offset = null, $args = array() ) {
 		$defaults = array(
 			'taxonomy'   => self::TAXONOMY,
 			'hide_empty' => false,
@@ -329,25 +329,13 @@ class Followers {
 
 		$args  = wp_parse_args( $args, $defaults );
 		$terms = new WP_Term_Query( $args );
-
 		$items = array();
 
-		// change output format
-		switch ( $output ) {
-			case ACTIVITYPUB_OBJECT:
-				foreach ( $terms->get_terms() as $follower ) {
-					$items[] = new Follower( $follower->name ); // phpcs:ignore
-				}
-				return $items;
-			case OBJECT:
-				return $terms->get_terms();
-			case ARRAY_N:
-			default:
-				foreach ( $terms->get_terms() as $follower ) {
-					$items[] = $follower->name; // phpcs:ignore
-				}
-				return $items;
+		foreach ( $terms->get_terms() as $follower ) {
+			$items[] = new Follower( $follower->name ); // phpcs:ignore
 		}
+
+		return $items;
 	}
 
 	/**
@@ -414,7 +402,7 @@ class Followers {
 	 *
 	 * @return mixed The Term list of Followers, the format depends on $output.
 	 */
-	public static function get_outdated_followers( $output = ARRAY_N, $number = 50, $older_than = 604800 ) {
+	public static function get_outdated_followers( $number = 50, $older_than = 604800 ) {
 		$args = array(
 			'taxonomy'   => self::TAXONOMY,
 			'number'     => $number,
@@ -432,25 +420,13 @@ class Followers {
 		);
 
 		$terms = new WP_Term_Query( $args );
-
 		$items = array();
 
-		// change output format
-		switch ( $output ) {
-			case ACTIVITYPUB_OBJECT:
-				foreach ( $terms->get_terms() as $follower ) {
-					$items[] = new Follower( $follower->name ); // phpcs:ignore
-				}
-				return $items;
-			case OBJECT:
-				return $terms->get_terms();
-			case ARRAY_N:
-			default:
-				foreach ( $terms->get_terms() as $follower ) {
-					$items[] = $follower->name; // phpcs:ignore
-				}
-				return $items;
+		foreach ( $terms->get_terms() as $follower ) {
+			$items[] = new Follower( $follower->name ); // phpcs:ignore
 		}
+
+		return $items;
 	}
 
 	/**
@@ -461,7 +437,7 @@ class Followers {
 	 *
 	 * @return mixed The Term list of Followers, the format depends on $output.
 	 */
-	public static function get_faulty_followers( $output = ARRAY_N, $number = 10 ) {
+	public static function get_faulty_followers( $number = 10 ) {
 		$args = array(
 			'taxonomy'   => self::TAXONOMY,
 			'number'     => $number,
@@ -474,24 +450,12 @@ class Followers {
 		);
 
 		$terms = new WP_Term_Query( $args );
-
 		$items = array();
 
-		// change output format
-		switch ( $output ) {
-			case ACTIVITYPUB_OBJECT:
-				foreach ( $terms->get_terms() as $follower ) {
-					$items[] = new Follower( $follower->name ); // phpcs:ignore
-				}
-				return $items;
-			case OBJECT:
-				return $terms->get_terms();
-			case ARRAY_N:
-			default:
-				foreach ( $terms->get_terms() as $follower ) {
-					$items[] = $follower->name; // phpcs:ignore
-				}
-				return $items;
+		foreach ( $terms->get_terms() as $follower ) {
+			$items[] = new Follower( $follower->name ); // phpcs:ignore
 		}
+
+		return $items;
 	}
 }
diff --git a/includes/model/class-follower.php b/includes/model/class-follower.php
index 0668e4d..6c03fd8 100644
--- a/includes/model/class-follower.php
+++ b/includes/model/class-follower.php
@@ -159,6 +159,15 @@ class Follower {
 		}
 	}
 
+	/**
+	 * Magic function to return the Actor-URL when the Object is used as a string
+	 *
+	 * @return string
+	 */
+	public function __toString() {
+		return $this->get_actor();
+	}
+
 	/**
 	 * Prefill the Object with the meta data.
 	 *
diff --git a/includes/rest/class-followers.php b/includes/rest/class-followers.php
index 9a8b9b6..7dd49a8 100644
--- a/includes/rest/class-followers.php
+++ b/includes/rest/class-followers.php
@@ -81,7 +81,13 @@ class Followers {
 		$json->partOf = \get_rest_url( null, "/activitypub/1.0/users/$user_id/followers" ); // phpcs:ignore
 		$json->first = $json->partOf; // phpcs:ignore
 		$json->totalItems = FollowerCollection::count_followers( $user_id ); // phpcs:ignore
-		$json->orderedItems = FollowerCollection::get_followers( $user_id, ARRAY_N ); // phpcs:ignore
+		// phpcs:ignore
+		$json->orderedItems = array_map(
+			function( $item ) {
+				return $item->get_actor();
+			},
+			FollowerCollection::get_followers( $user_id )
+		);
 
 		$response = new WP_REST_Response( $json, 200 );
 		$response->header( 'Content-Type', 'application/activity+json' );
diff --git a/includes/table/class-followers.php b/includes/table/class-followers.php
index c9b5948..03fb70f 100644
--- a/includes/table/class-followers.php
+++ b/includes/table/class-followers.php
@@ -35,7 +35,7 @@ class Followers extends WP_List_Table {
 		$page_num = $this->get_pagenum();
 		$per_page = 20;
 
-		$follower = FollowerCollection::get_followers( \get_current_user_id(), ACTIVITYPUB_OBJECT, $per_page, ( $page_num - 1 ) * $per_page );
+		$follower = FollowerCollection::get_followers( \get_current_user_id(), $per_page, ( $page_num - 1 ) * $per_page );
 		$counter  = FollowerCollection::count_followers( \get_current_user_id() );
 
 		$this->items = array();
diff --git a/tests/test-class-db-activitypub-followers.php b/tests/test-class-db-activitypub-followers.php
index 2467363..a04145a 100644
--- a/tests/test-class-db-activitypub-followers.php
+++ b/tests/test-class-db-activitypub-followers.php
@@ -58,6 +58,13 @@ class Test_Db_Activitypub_Followers extends WP_UnitTestCase {
 
 		$this->assertEquals( 3, \count( $db_followers ) );
 
+		$db_followers = array_map(
+			function( $item ) {
+				return $item->get_actor();
+			},
+			$db_followers
+		);
+
 		$this->assertSame( array( 'https://example.com/author/jon', 'https://example.org/author/doe', 'http://sally.example.org' ), $db_followers );
 	}