diff --git a/includes/class-shortcodes.php b/includes/class-shortcodes.php
index c21d74d..2825e80 100644
--- a/includes/class-shortcodes.php
+++ b/includes/class-shortcodes.php
@@ -1,8 +1,6 @@
 <?php
 namespace Activitypub;
 
-use function Activitypub\get_item;
-
 class Shortcodes {
 	/**
 	 * Class constructor, registering WordPress then Shortcodes
@@ -30,7 +28,7 @@ class Shortcodes {
 	 * @return string The post tags as hashtags.
 	 */
 	public static function hashtags( $atts, $content, $tag ) {
-		$item = get_item();
+		$item = self::get_item();
 
 		if ( ! $item ) {
 			return '';
@@ -65,7 +63,7 @@ class Shortcodes {
 	 * @return string The post title.
 	 */
 	public static function title( $atts, $content, $tag ) {
-		$item = get_item();
+		$item = self::get_item();
 
 		if ( ! $item ) {
 			return '';
@@ -85,7 +83,7 @@ class Shortcodes {
 	 * @return string The post excerpt.
 	 */
 	public static function excerpt( $atts, $content, $tag ) {
-		$item = get_item();
+		$item = self::get_item();
 
 		if ( ! $item ) {
 			return '';
@@ -188,7 +186,7 @@ class Shortcodes {
 	 * @return string The post content.
 	 */
 	public static function content( $atts, $content, $tag ) {
-		$item = get_item();
+		$item = self::get_item();
 
 		if ( ! $item ) {
 			return '';
@@ -233,7 +231,7 @@ class Shortcodes {
 	 * @return string The post permalink.
 	 */
 	public static function permalink( $atts, $content, $tag ) {
-		$item = get_item();
+		$item = self::get_item();
 
 		if ( ! $item ) {
 			return '';
@@ -267,7 +265,7 @@ class Shortcodes {
 	 * @return string The post shortlink.
 	 */
 	public static function shortlink( $atts, $content, $tag ) {
-		$item = get_item();
+		$item = self::get_item();
 
 		if ( ! $item ) {
 			return '';
@@ -301,7 +299,7 @@ class Shortcodes {
 	 * @return string
 	 */
 	public static function image( $atts, $content, $tag ) {
-		$item = get_item();
+		$item = self::get_item();
 
 		if ( ! $item ) {
 			return '';
@@ -344,7 +342,7 @@ class Shortcodes {
 	 * @return string The post categories as hashtags.
 	 */
 	public static function hashcats( $atts, $content, $tag ) {
-		$item = get_item();
+		$item = self::get_item();
 
 		if ( ! $item ) {
 			return '';
@@ -379,7 +377,7 @@ class Shortcodes {
 	 * @return string The author name.
 	 */
 	public static function author( $atts, $content, $tag ) {
-		$item = get_item();
+		$item = self::get_item();
 
 		if ( ! $item ) {
 			return '';
@@ -404,7 +402,7 @@ class Shortcodes {
 	 * @return string The author URL.
 	 */
 	public static function authorurl( $atts, $content, $tag ) {
-		$item = get_item();
+		$item = self::get_item();
 
 		if ( ! $item ) {
 			return '';
@@ -468,7 +466,7 @@ class Shortcodes {
 	 * @return string The post date.
 	 */
 	public static function date( $atts, $content, $tag ) {
-		$item = get_item();
+		$item = self::get_item();
 
 		if ( ! $item ) {
 			return '';
@@ -497,7 +495,7 @@ class Shortcodes {
 	 * @return string The post time.
 	 */
 	public static function time( $atts, $content, $tag ) {
-		$item = get_item();
+		$item = self::get_item();
 
 		if ( ! $item ) {
 			return '';
@@ -526,7 +524,7 @@ class Shortcodes {
 	 * @return string The post date/time.
 	 */
 	public static function datetime( $atts, $content, $tag ) {
-		$item = get_item();
+		$item = self::get_item();
 
 		if ( ! $item ) {
 			return '';
@@ -544,4 +542,34 @@ class Shortcodes {
 
 		return $date;
 	}
+
+	/**
+	 * Get a WordPress item to federate.
+	 *
+	 * Checks if item (WP_Post) is "public", a supported post type
+	 * and not password protected.
+	 *
+	 * @return null|WP_Post The WordPress item.
+	 */
+	protected static function get_item() {
+		$post = \get_post();
+
+		if ( ! $post ) {
+			return null;
+		}
+
+		if ( 'publish' !== \get_post_status( $post ) ) {
+			return null;
+		}
+
+		if ( \post_password_required( $post ) ) {
+			return null;
+		}
+
+		if ( ! \in_array( \get_post_type( $post ), \get_post_types_by_support( 'activitypub' ), true ) ) {
+			return null;
+		}
+
+		return $post;
+	}
 }
diff --git a/includes/functions.php b/includes/functions.php
index 1a91670..69acf43 100644
--- a/includes/functions.php
+++ b/includes/functions.php
@@ -351,33 +351,3 @@ if ( ! function_exists( 'get_self_link' ) ) {
 		return esc_url( apply_filters( 'self_link', set_url_scheme( 'http://' . $host['host'] . wp_unslash( $_SERVER['REQUEST_URI'] ) ) ) );
 	}
 }
-
-/**
- * Get a WordPress item to federate.
- *
- * Checks if item (WP_Post) is "public", a supported post type
- * and not password protected.
- *
- * @return null|WP_Post The WordPress item.
- */
-function get_item() {
-	$post = \get_post();
-
-	if ( ! $post ) {
-		return null;
-	}
-
-	if ( 'publish' !== \get_post_status( $post ) ) {
-		return null;
-	}
-
-	if ( \post_password_required( $post ) ) {
-		return null;
-	}
-
-	if ( ! \in_array( \get_post_type( $post ), \get_post_types_by_support( 'activitypub' ), true ) ) {
-		return null;
-	}
-
-	return $post;
-}