diff --git a/includes/class-health-check.php b/includes/class-health-check.php
index 6d88eef..f60530f 100644
--- a/includes/class-health-check.php
+++ b/includes/class-health-check.php
@@ -1,8 +1,6 @@
 <?php
 namespace Activitypub;
 
-use Activitypub\Rest\Webfinger;
-
 /**
  * ActivityPub Health_Check Class
  *
@@ -204,7 +202,7 @@ class Health_Check {
 		$user    = \wp_get_current_user();
 		$account = \Activitypub\get_webfinger_resource( $user->ID );
 
-		$url = Webfinger::resolve( $account );
+		$url = Activitypub\Webfinger::resolve( $account );
 		if ( \is_wp_error( $url ) ) {
 			$health_messages = array(
 				'webfinger_url_not_accessible' => \sprintf(
diff --git a/includes/class-webfinger.php b/includes/class-webfinger.php
index a0ec542..8906b60 100644
--- a/includes/class-webfinger.php
+++ b/includes/class-webfinger.php
@@ -26,4 +26,44 @@ class Webfinger {
 
 		return $user->user_login . '@' . \wp_parse_url( \home_url(), \PHP_URL_HOST );
 	}
+
+	public static function resolve( $account ) {
+		if ( ! preg_match( '/^@?[^@]+@((?:[a-z0-9-]+\.)+[a-z]+)$/i', $account, $m ) ) {
+			return null;
+		}
+		$url = \add_query_arg( 'resource', 'acct:' . ltrim( $account, '@' ), 'https://' . $m[1] . '/.well-known/webfinger' );
+		if ( ! \wp_http_validate_url( $url ) ) {
+			return new \WP_Error( 'invalid_webfinger_url', null, $url );
+		}
+
+		// try to access author URL
+		$response = \wp_remote_get(
+			$url,
+			array(
+				'headers' => array( 'Accept' => 'application/activity+json' ),
+				'redirection' => 0,
+			)
+		);
+
+		if ( \is_wp_error( $response ) ) {
+			return new \WP_Error( 'webfinger_url_not_accessible', null, $url );
+		}
+
+		$response_code = \wp_remote_retrieve_response_code( $response );
+
+		$body = \wp_remote_retrieve_body( $response );
+		$body = \json_decode( $body, true );
+
+		if ( ! isset( $body['links'] ) ) {
+			return new \WP_Error( 'webfinger_url_invalid_response', null, $url );
+		}
+
+		foreach ( $body['links'] as $link ) {
+			if ( 'self' === $link['rel'] && 'application/activity+json' === $link['type'] ) {
+				return $link['href'];
+			}
+		}
+
+		return new \WP_Error( 'webfinger_url_no_activity_pub', null, $body );
+	}
 }
diff --git a/includes/functions.php b/includes/functions.php
index 1b86891..d6ac07f 100644
--- a/includes/functions.php
+++ b/includes/functions.php
@@ -111,7 +111,7 @@ function get_remote_metadata_by_actor( $actor ) {
 		return $pre;
 	}
 	if ( preg_match( '/^@?[^@]+@((?:[a-z0-9-]+\.)+[a-z]+)$/i', $actor ) ) {
-		$actor = Rest\Webfinger::resolve( $actor );
+		$actor = \Acivitypub\Webfinger::resolve( $actor );
 	}
 
 	if ( ! $actor ) {
diff --git a/includes/rest/class-webfinger.php b/includes/rest/class-webfinger.php
index 1b00d86..60eb5d2 100644
--- a/includes/rest/class-webfinger.php
+++ b/includes/rest/class-webfinger.php
@@ -120,44 +120,4 @@ class Webfinger {
 
 		return $array;
 	}
-
-	public static function resolve( $account ) {
-		if ( ! preg_match( '/^@?[^@]+@((?:[a-z0-9-]+\.)+[a-z]+)$/i', $account, $m ) ) {
-			return null;
-		}
-		$url = \add_query_arg( 'resource', 'acct:' . ltrim( $account, '@' ), 'https://' . $m[1] . '/.well-known/webfinger' );
-		if ( ! \wp_http_validate_url( $url ) ) {
-			return new \WP_Error( 'invalid_webfinger_url', null, $url );
-		}
-
-		// try to access author URL
-		$response = \wp_remote_get(
-			$url,
-			array(
-				'headers' => array( 'Accept' => 'application/activity+json' ),
-				'redirection' => 0,
-			)
-		);
-
-		if ( \is_wp_error( $response ) ) {
-			return new \WP_Error( 'webfinger_url_not_accessible', null, $url );
-		}
-
-		$response_code = \wp_remote_retrieve_response_code( $response );
-
-		$body = \wp_remote_retrieve_body( $response );
-		$body = \json_decode( $body, true );
-
-		if ( ! isset( $body['links'] ) ) {
-			return new \WP_Error( 'webfinger_url_invalid_response', null, $url );
-		}
-
-		foreach ( $body['links'] as $link ) {
-			if ( 'self' === $link['rel'] && 'application/activity+json' === $link['type'] ) {
-				return $link['href'];
-			}
-		}
-
-		return new \WP_Error( 'webfinger_url_no_activity_pub', null, $body );
-	}
 }
diff --git a/integration/class-friends-feed-parser-activitypub.php b/integration/class-friends-feed-parser-activitypub.php
index db155c1..294285a 100644
--- a/integration/class-friends-feed-parser-activitypub.php
+++ b/integration/class-friends-feed-parser-activitypub.php
@@ -95,7 +95,7 @@ class Friends_Feed_Parser_ActivityPub extends \Friends\Feed_Parser {
 	 */
 	public function friends_rewrite_incoming_url( $url, $incoming_url ) {
 		if ( preg_match( '/^@?[^@]+@((?:[a-z0-9-]+\.)+[a-z]+)$/i', $incoming_url ) ) {
-			$resolved_url = \Activitypub\Rest\Webfinger::resolve( $incoming_url );
+			$resolved_url = \Activitypub\Webfinger::resolve( $incoming_url );
 			if ( ! is_wp_error( $resolved_url ) ) {
 				return $resolved_url;
 			}